diff --git a/Cargo.lock b/Cargo.lock
index c939d7e3..e789b0ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -326,9 +326,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.77"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9d19de80eff169429ac1e9f48fffb163916b448a44e8e046186232046d9e1f9"
+checksum = "ca87830a3e3fb156dc96cfbd31cb620265dd053be734723f22b760d6cc3c3051"
 
 [[package]]
 name = "approx"
@@ -389,9 +389,9 @@ dependencies = [
 
 [[package]]
 name = "async-trait"
-version = "0.1.75"
+version = "0.1.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fdf6721fb0140e4f897002dd086c06f6c27775df19cfe1fccb21181a48fd2c98"
+checksum = "531b97fb4cd3dfdce92c35dedbfdc1f0b9d8091c8ca943d6dae340ef5012d514"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1025,9 +1025,9 @@ dependencies = [
 
 [[package]]
 name = "deranged"
-version = "0.3.10"
+version = "0.3.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8eb30d70a07a3b04884d2677f06bec33509dc67ca60d92949e5535352d3191dc"
+checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
 dependencies = [
  "powerfmt",
  "serde",
@@ -1707,9 +1707,9 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.58"
+version = "0.1.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8326b86b6cff230b97d0d312a6c40a60726df3332e721f72a1b035f451663b20"
+checksum = "b6a67363e2aa4443928ce15e57ebae94fd8949958fd1223c4cfc0cd473ad7539"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
@@ -2010,7 +2010,7 @@ dependencies = [
 
 [[package]]
 name = "martin"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "actix-cors",
  "actix-http",
@@ -2063,7 +2063,7 @@ dependencies = [
 
 [[package]]
 name = "martin-tile-utils"
-version = "0.4.0"
+version = "0.4.1"
 dependencies = [
  "approx",
  "insta",
@@ -2071,7 +2071,7 @@ dependencies = [
 
 [[package]]
 name = "mbtiles"
-version = "0.9.0"
+version = "0.9.1"
 dependencies = [
  "actix-rt",
  "anyhow",
@@ -2703,9 +2703,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.71"
+version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+checksum = "a293318316cf6478ec1ad2a21c49390a8d5b5eae9fab736467d93fbc0edc29c5"
 dependencies = [
  "unicode-ident",
 ]
@@ -4004,18 +4004,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.52"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83a48fd946b02c0a526b2e9481c8e2a17755e47039164a86c4070446e3a4614d"
+checksum = "b2cd5904763bad08ad5513ddbb12cf2ae273ca53fa9f68e843e236ec6dfccc09"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.52"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7fbe9b594d6568a6a1443250a7e67d80b74e1e96f6d1715e1e21cc1888291d3"
+checksum = "3dcf4a824cce0aeacd6f38ae6f24234c8e80d68632338ebaa1443b5df9e29e19"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4674,11 +4674,11 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-core"
-version = "0.51.1"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1f8cf84f35d2db49a46868f947758c7a1138116f7fac3bc844f43ade1292e64"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
 dependencies = [
- "windows-targets 0.48.5",
+ "windows-targets 0.52.0",
 ]
 
 [[package]]
diff --git a/debian/config.yaml b/debian/config.yaml
index f44db6ad..30b9ad27 100644
--- a/debian/config.yaml
+++ b/debian/config.yaml
@@ -7,6 +7,9 @@ listen_addresses: '0.0.0.0:3000'
 # Number of web server workers
 worker_processes: 8
 
+# Amount of memory (in MB) to use for caching tiles [default: 512, 0 to disable]
+cache_size_mb: 512
+
 # see https://maplibre.org/martin/config-file.html
 
 # postgres:
@@ -17,7 +20,6 @@ worker_processes: 8
 #   auto_bounds: skip
 
 # pmtiles:
-#   dir_cache_size_mb: 100
 #   paths:
 #     - /dir-path
 #     - /path/to/pmtiles.pmtiles
diff --git a/docs/src/config-file.md b/docs/src/config-file.md
index 19cfec94..542677de 100644
--- a/docs/src/config-file.md
+++ b/docs/src/config-file.md
@@ -24,6 +24,9 @@ listen_addresses: '0.0.0.0:3000'
 # Number of web server workers
 worker_processes: 8
 
+# Amount of memory (in MB) to use for caching tiles [default: 512, 0 to disable]
+cache_size_mb: 1024
+
 # Database configuration. This can also be a list of PG configs.
 postgres:
   # Database connection string. You can use env vars too, for example:
@@ -155,8 +158,6 @@ postgres:
 
 # Publish PMTiles files from local disk or proxy to a web server
 pmtiles:
-  # Memory (in MB) to use for caching PMTiles directories [default: 32, 0 to disable]] 
-  dir_cache_size_mb: 100
   paths:
     # scan this whole dir, matching all *.pmtiles files
     - /dir-path
diff --git a/martin-tile-utils/Cargo.toml b/martin-tile-utils/Cargo.toml
index 1f689956..90d39ce7 100644
--- a/martin-tile-utils/Cargo.toml
+++ b/martin-tile-utils/Cargo.toml
@@ -2,7 +2,7 @@ lints.workspace = true
 
 [package]
 name = "martin-tile-utils"
-version = "0.4.0"
+version = "0.4.1"
 authors = ["Yuri Astrakhan <YuriAstrakhan@gmail.com>", "MapLibre contributors"]
 description = "Utilites to help with map tile processing, such as type and compression detection. Used by the MapLibre's Martin tile server."
 keywords = ["maps", "tiles", "mvt", "tileserver"]
diff --git a/martin-tile-utils/src/lib.rs b/martin-tile-utils/src/lib.rs
index 029949eb..9df4fd49 100644
--- a/martin-tile-utils/src/lib.rs
+++ b/martin-tile-utils/src/lib.rs
@@ -86,7 +86,7 @@ impl Display for Format {
     }
 }
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
 pub enum Encoding {
     /// Data is not compressed, but it can be
     Uncompressed = 0b0000_0000,
diff --git a/martin/Cargo.toml b/martin/Cargo.toml
index 38405a0f..9e81bec8 100644
--- a/martin/Cargo.toml
+++ b/martin/Cargo.toml
@@ -3,7 +3,7 @@ lints.workspace = true
 [package]
 name = "martin"
 # Once the release is published with the hash, update https://github.com/maplibre/homebrew-martin
-version = "0.12.0"
+version = "0.13.0"
 authors = ["Stepan Kuzmin <to.stepan.kuzmin@gmail.com>", "Yuri Astrakhan <YuriAstrakhan@gmail.com>", "MapLibre contributors"]
 description = "Blazing fast and lightweight tile server with PostGIS, MBTiles, and PMTiles support"
 keywords = ["maps", "tiles", "mbtiles", "pmtiles", "postgis"]
@@ -62,7 +62,7 @@ harness = false
 default = ["fonts", "mbtiles", "pmtiles", "postgres", "sprites"]
 fonts = ["dep:bit-set", "dep:pbf_font_tools"]
 mbtiles = []
-pmtiles = ["dep:moka"]
+pmtiles = []
 postgres = ["dep:deadpool-postgres", "dep:json-patch", "dep:postgis", "dep:postgres", "dep:postgres-protocol", "dep:semver", "dep:tokio-postgres-rustls"]
 sprites = ["dep:spreet"]
 bless-tests = []
@@ -85,7 +85,7 @@ json-patch = { workspace = true, optional = true }
 log.workspace = true
 martin-tile-utils.workspace = true
 mbtiles.workspace = true
-moka = { workspace = true, optional = true }
+moka.workspace = true
 num_cpus.workspace = true
 pbf_font_tools = { workspace = true, optional = true }
 pmtiles.workspace = true
diff --git a/martin/benches/bench.rs b/martin/benches/bench.rs
index 77363284..27f4904b 100644
--- a/martin/benches/bench.rs
+++ b/martin/benches/bench.rs
@@ -1,7 +1,7 @@
 use async_trait::async_trait;
 use criterion::async_executor::FuturesExecutor;
 use criterion::{criterion_group, criterion_main, Criterion};
-use martin::srv::get_tile_response;
+use martin::srv::DynTileSource;
 use martin::{
     CatalogSourceEntry, MartinResult, Source, TileCoord, TileData, TileSources, UrlQuery,
 };
@@ -58,7 +58,8 @@ impl Source for NullSource {
 }
 
 async fn process_tile(sources: &TileSources) {
-    get_tile_response(sources, TileCoord { z: 0, x: 0, y: 0 }, "null", "", None)
+    let src = DynTileSource::new(sources, "null", Some(0), "", None, None).unwrap();
+    src.get_http_response(TileCoord { z: 0, x: 0, y: 0 })
         .await
         .unwrap();
 }
diff --git a/martin/src/args/root.rs b/martin/src/args/root.rs
index 2fc83c2d..7fc81d1b 100644
--- a/martin/src/args/root.rs
+++ b/martin/src/args/root.rs
@@ -43,6 +43,9 @@ pub struct MetaArgs {
     /// By default, only print if sources are auto-detected.
     #[arg(long)]
     pub save_config: Option<PathBuf>,
+    /// Main cache size (in MB)
+    #[arg(short = 'C', long)]
+    pub cache_size: Option<u64>,
     /// **Deprecated** Scan for new sources on sources list requests
     #[arg(short, long, hide = true)]
     pub watch: bool,
@@ -74,6 +77,10 @@ impl Args {
             return Err(ConfigAndConnectionsError(self.meta.connection));
         }
 
+        if self.meta.cache_size.is_some() {
+            config.cache_size_mb = self.meta.cache_size;
+        }
+
         self.srv.merge_into_config(&mut config.srv);
 
         #[allow(unused_mut)]
diff --git a/martin/src/bin/martin-cp.rs b/martin/src/bin/martin-cp.rs
index 405d16ba..feecbfc9 100644
--- a/martin/src/bin/martin-cp.rs
+++ b/martin/src/bin/martin-cp.rs
@@ -12,10 +12,10 @@ use futures::stream::{self, StreamExt};
 use futures::TryStreamExt;
 use log::{debug, error, info, log_enabled};
 use martin::args::{Args, ExtraArgs, MetaArgs, OsEnv, SrvArgs};
-use martin::srv::{get_tile_content, merge_tilejson, RESERVED_KEYWORDS};
+use martin::srv::{merge_tilejson, DynTileSource};
 use martin::{
-    append_rect, read_config, Config, IdResolver, MartinError, MartinResult, ServerState, Source,
-    TileCoord, TileData, TileRect,
+    append_rect, read_config, Config, MartinError, MartinResult, ServerState, Source, TileCoord,
+    TileData, TileRect,
 };
 use martin_tile_utils::{bbox_to_xyz, TileInfo};
 use mbtiles::sqlx::SqliteConnection;
@@ -144,7 +144,8 @@ async fn start(copy_args: CopierArgs) -> MartinCpResult<()> {
 
     args.merge_into_config(&mut config, &env)?;
     config.finalize()?;
-    let sources = config.resolve(IdResolver::new(RESERVED_KEYWORDS)).await?;
+
+    let sources = config.resolve().await?;
 
     if let Some(file_name) = save_config {
         config.save_to_file(file_name)?;
@@ -274,9 +275,18 @@ fn iterate_tiles(tiles: Vec<TileRect>) -> impl Iterator<Item = TileCoord> {
 async fn run_tile_copy(args: CopyArgs, state: ServerState) -> MartinCpResult<()> {
     let output_file = &args.output_file;
     let concurrency = args.concurrency.unwrap_or(1);
-    let (sources, _use_url_query, info) = state.tiles.get_sources(args.source.as_str(), None)?;
-    let sources = sources.as_slice();
-    let tile_info = sources.first().unwrap().get_tile_info();
+
+    let src = DynTileSource::new(
+        &state.tiles,
+        args.source.as_str(),
+        None,
+        args.url_query.as_deref().unwrap_or_default(),
+        Some(parse_encoding(args.encoding.as_str())?),
+        None,
+    )?;
+    // parallel async below uses move, so we must only use copyable types
+    let src = &src;
+
     let (tx, mut rx) = channel::<TileXyz>(500);
     let tiles = compute_tile_ranges(&args);
     let mbt = Mbtiles::new(output_file)?;
@@ -288,30 +298,26 @@ async fn run_tile_copy(args: CopyArgs, state: ServerState) -> MartinCpResult<()>
     } else {
         CopyDuplicateMode::Override
     };
-    let mbt_type = init_schema(&mbt, &mut conn, sources, tile_info, &args).await?;
-    let query = args.url_query.as_deref();
-    let req = TestRequest::default()
-        .insert_header((ACCEPT_ENCODING, args.encoding.as_str()))
-        .finish();
-    let accept_encoding = AcceptEncoding::parse(&req)?;
-    let encodings = Some(&accept_encoding);
+    let mbt_type = init_schema(&mbt, &mut conn, src.sources.as_slice(), src.info, &args).await?;
 
     let progress = Progress::new(&tiles);
     info!(
-        "Copying {} {tile_info} tiles from {} to {}",
+        "Copying {} {} tiles from {} to {}",
         progress.total,
+        src.info,
         args.source,
         args.output_file.display()
     );
 
     try_join!(
+        // Note: for some reason, tests hang here without the `move` keyword
         async move {
             stream::iter(iterate_tiles(tiles))
                 .map(MartinResult::Ok)
                 .try_for_each_concurrent(concurrency, |xyz| {
                     let tx = tx.clone();
                     async move {
-                        let tile = get_tile_content(sources, info, xyz, query, encodings).await?;
+                        let tile = src.get_tile_content(xyz).await?;
                         let data = tile.data;
                         tx.send(TileXyz { xyz, data })
                             .await
@@ -375,6 +381,13 @@ async fn run_tile_copy(args: CopyArgs, state: ServerState) -> MartinCpResult<()>
     Ok(())
 }
 
+fn parse_encoding(encoding: &str) -> MartinCpResult<AcceptEncoding> {
+    let req = TestRequest::default()
+        .insert_header((ACCEPT_ENCODING, encoding))
+        .finish();
+    Ok(AcceptEncoding::parse(&req)?)
+}
+
 async fn init_schema(
     mbt: &Mbtiles,
     conn: &mut SqliteConnection,
diff --git a/martin/src/bin/martin.rs b/martin/src/bin/martin.rs
index 5765e66e..054970e4 100644
--- a/martin/src/bin/martin.rs
+++ b/martin/src/bin/martin.rs
@@ -4,8 +4,8 @@ use actix_web::dev::Server;
 use clap::Parser;
 use log::{error, info, log_enabled};
 use martin::args::{Args, OsEnv};
-use martin::srv::{new_server, RESERVED_KEYWORDS};
-use martin::{read_config, Config, IdResolver, MartinResult};
+use martin::srv::new_server;
+use martin::{read_config, Config, MartinResult};
 
 const VERSION: &str = env!("CARGO_PKG_VERSION");
 
@@ -24,7 +24,7 @@ async fn start(args: Args) -> MartinResult<Server> {
 
     args.merge_into_config(&mut config, &env)?;
     config.finalize()?;
-    let sources = config.resolve(IdResolver::new(RESERVED_KEYWORDS)).await?;
+    let sources = config.resolve().await?;
 
     if let Some(file_name) = save_config {
         config.save_to_file(file_name)?;
diff --git a/martin/src/config.rs b/martin/src/config.rs
index f311d5e6..8fed9347 100644
--- a/martin/src/config.rs
+++ b/martin/src/config.rs
@@ -18,13 +18,15 @@ use crate::fonts::FontSources;
 use crate::source::{TileInfoSources, TileSources};
 #[cfg(feature = "sprites")]
 use crate::sprites::{SpriteConfig, SpriteSources};
-use crate::srv::SrvConfig;
+use crate::srv::{SrvConfig, RESERVED_KEYWORDS};
+use crate::utils::{CacheValue, MainCache, OptMainCache};
 use crate::MartinError::{ConfigLoadError, ConfigParseError, ConfigWriteError, NoSources};
 use crate::{IdResolver, MartinResult, OptOneMany};
 
 pub type UnrecognizedValues = HashMap<String, serde_yaml::Value>;
 
 pub struct ServerState {
+    pub cache: OptMainCache,
     pub tiles: TileSources,
     #[cfg(feature = "sprites")]
     pub sprites: SpriteSources,
@@ -32,8 +34,11 @@ pub struct ServerState {
     pub fonts: FontSources,
 }
 
+#[serde_with::skip_serializing_none]
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize)]
 pub struct Config {
+    pub cache_size_mb: Option<u64>,
+
     #[serde(flatten)]
     pub srv: SrvConfig,
 
@@ -107,19 +112,43 @@ impl Config {
         }
     }
 
-    pub async fn resolve(&mut self, idr: IdResolver) -> MartinResult<ServerState> {
+    pub async fn resolve(&mut self) -> MartinResult<ServerState> {
+        let resolver = IdResolver::new(RESERVED_KEYWORDS);
+        let cache_size = self.cache_size_mb.unwrap_or(512) * 1024 * 1024;
+        let cache = if cache_size > 0 {
+            info!("Initializing main cache with maximum size {cache_size}B");
+            Some(
+                MainCache::builder()
+                    .weigher(|_key, value: &CacheValue| -> u32 {
+                        match value {
+                            CacheValue::Tile(v) => v.len().try_into().unwrap_or(u32::MAX),
+                            CacheValue::PmtDirectory(v) => {
+                                v.get_approx_byte_size().try_into().unwrap_or(u32::MAX)
+                            }
+                        }
+                    })
+                    .max_capacity(cache_size)
+                    .build(),
+            )
+        } else {
+            info!("Caching is disabled");
+            None
+        };
+
         Ok(ServerState {
-            tiles: self.resolve_tile_sources(idr).await?,
+            tiles: self.resolve_tile_sources(&resolver, cache.clone()).await?,
             #[cfg(feature = "sprites")]
             sprites: SpriteSources::resolve(&mut self.sprites)?,
             #[cfg(feature = "fonts")]
             fonts: FontSources::resolve(&mut self.fonts)?,
+            cache,
         })
     }
 
     async fn resolve_tile_sources(
         &mut self,
-        #[allow(unused_variables)] idr: IdResolver,
+        #[allow(unused_variables)] idr: &IdResolver,
+        #[allow(unused_variables)] cache: OptMainCache,
     ) -> MartinResult<TileSources> {
         #[allow(unused_mut)]
         let mut sources: Vec<Pin<Box<dyn Future<Output = MartinResult<TileInfoSources>>>>> =
@@ -133,14 +162,14 @@ impl Config {
         #[cfg(feature = "pmtiles")]
         if !self.pmtiles.is_empty() {
             let cfg = &mut self.pmtiles;
-            let val = crate::file_config::resolve_files(cfg, idr.clone(), "pmtiles");
+            let val = crate::file_config::resolve_files(cfg, idr, cache.clone(), "pmtiles");
             sources.push(Box::pin(val));
         }
 
         #[cfg(feature = "mbtiles")]
         if !self.mbtiles.is_empty() {
             let cfg = &mut self.mbtiles;
-            let val = crate::file_config::resolve_files(cfg, idr.clone(), "mbtiles");
+            let val = crate::file_config::resolve_files(cfg, idr, cache.clone(), "mbtiles");
             sources.push(Box::pin(val));
         }
 
diff --git a/martin/src/file_config.rs b/martin/src/file_config.rs
index 636ec3f1..3692f75b 100644
--- a/martin/src/file_config.rs
+++ b/martin/src/file_config.rs
@@ -14,7 +14,7 @@ use crate::file_config::FileError::{
     InvalidFilePath, InvalidSourceFilePath, InvalidSourceUrl, IoError,
 };
 use crate::source::{Source, TileInfoSources};
-use crate::utils::{IdResolver, OptOneMany};
+use crate::utils::{IdResolver, OptMainCache, OptOneMany};
 use crate::MartinResult;
 use crate::OptOneMany::{Many, One};
 
@@ -48,7 +48,7 @@ pub enum FileError {
 }
 
 pub trait ConfigExtras: Clone + Debug + Default + PartialEq + Send {
-    fn init_parsing(&mut self) -> FileResult<()> {
+    fn init_parsing(&mut self, _cache: OptMainCache) -> FileResult<()> {
         Ok(())
     }
 
@@ -127,7 +127,10 @@ impl<T: ConfigExtras> FileConfigEnum<T> {
         }
     }
 
-    pub fn extract_file_config(&mut self) -> FileResult<Option<FileConfig<T>>> {
+    pub fn extract_file_config(
+        &mut self,
+        cache: OptMainCache,
+    ) -> FileResult<Option<FileConfig<T>>> {
         let mut res = match self {
             FileConfigEnum::None => return Ok(None),
             FileConfigEnum::Path(path) => FileConfig {
@@ -140,7 +143,7 @@ impl<T: ConfigExtras> FileConfigEnum<T> {
             },
             FileConfigEnum::Config(cfg) => mem::take(cfg),
         };
-        res.custom.init_parsing()?;
+        res.custom.init_parsing(cache)?;
         Ok(Some(res))
     }
 
@@ -218,20 +221,22 @@ pub struct FileConfigSource {
 
 pub async fn resolve_files<T: SourceConfigExtras>(
     config: &mut FileConfigEnum<T>,
-    idr: IdResolver,
+    idr: &IdResolver,
+    cache: OptMainCache,
     extension: &str,
 ) -> MartinResult<TileInfoSources> {
-    resolve_int(config, idr, extension)
+    resolve_int(config, idr, cache, extension)
         .map_err(crate::MartinError::from)
         .await
 }
 
 async fn resolve_int<T: SourceConfigExtras>(
     config: &mut FileConfigEnum<T>,
-    idr: IdResolver,
+    idr: &IdResolver,
+    cache: OptMainCache,
     extension: &str,
 ) -> FileResult<TileInfoSources> {
-    let Some(cfg) = config.extract_file_config()? else {
+    let Some(cfg) = config.extract_file_config(cache)? else {
         return Ok(TileInfoSources::default());
     };
 
diff --git a/martin/src/lib.rs b/martin/src/lib.rs
index c0c9d472..ef4aad9f 100644
--- a/martin/src/lib.rs
+++ b/martin/src/lib.rs
@@ -10,7 +10,7 @@ pub use source::{CatalogSourceEntry, Source, Tile, TileData, TileSources, UrlQue
 mod utils;
 pub use utils::{
     append_rect, decode_brotli, decode_gzip, IdResolver, MartinError, MartinResult, OptBoolObj,
-    OptOneMany, TileCoord, TileRect,
+    OptOneMany, TileCoord, TileRect, NO_MAIN_CACHE,
 };
 
 pub mod args;
diff --git a/martin/src/pmtiles/mod.rs b/martin/src/pmtiles/mod.rs
index ec651453..3a9ddf0d 100644
--- a/martin/src/pmtiles/mod.rs
+++ b/martin/src/pmtiles/mod.rs
@@ -9,7 +9,6 @@ use std::sync::Arc;
 use async_trait::async_trait;
 use log::{trace, warn};
 use martin_tile_utils::{Encoding, Format, TileInfo};
-use moka::future::Cache;
 use pmtiles::async_reader::AsyncPmTilesReader;
 use pmtiles::cache::{DirCacheResult, DirectoryCache};
 use pmtiles::http::HttpBackend;
@@ -24,20 +23,20 @@ use crate::config::UnrecognizedValues;
 use crate::file_config::FileError::{InvalidMetadata, InvalidUrlMetadata, IoError};
 use crate::file_config::{ConfigExtras, FileError, FileResult, SourceConfigExtras};
 use crate::source::UrlQuery;
+use crate::utils::cache::get_cached_value;
+use crate::utils::{CacheKey, CacheValue, OptMainCache};
 use crate::{MartinResult, Source, TileCoord, TileData};
 
-type PmtCacheObject = Cache<(usize, usize), Directory>;
-
 #[derive(Clone, Debug)]
 pub struct PmtCache {
     id: usize,
-    /// (id, offset) -> Directory, or None to disable caching
-    cache: Option<PmtCacheObject>,
+    /// Storing (id, offset) -> Directory, or None to disable caching
+    cache: OptMainCache,
 }
 
 impl PmtCache {
     #[must_use]
-    pub fn new(id: usize, cache: Option<PmtCacheObject>) -> Self {
+    pub fn new(id: usize, cache: OptMainCache) -> Self {
         Self { id, cache }
     }
 }
@@ -45,17 +44,23 @@ impl PmtCache {
 #[async_trait]
 impl DirectoryCache for PmtCache {
     async fn get_dir_entry(&self, offset: usize, tile_id: u64) -> DirCacheResult {
-        if let Some(cache) = &self.cache {
-            if let Some(dir) = cache.get(&(self.id, offset)).await {
-                return dir.find_tile_id(tile_id).into();
-            }
+        if let Some(dir) = get_cached_value!(&self.cache, CacheValue::PmtDirectory, {
+            CacheKey::PmtDirectory(self.id, offset)
+        }) {
+            dir.find_tile_id(tile_id).into()
+        } else {
+            DirCacheResult::NotCached
         }
-        DirCacheResult::NotCached
     }
 
     async fn insert_dir(&self, offset: usize, directory: Directory) {
         if let Some(cache) = &self.cache {
-            cache.insert((self.id, offset), directory).await;
+            cache
+                .insert(
+                    CacheKey::PmtDirectory(self.id, offset),
+                    CacheValue::PmtDirectory(directory),
+                )
+                .await;
         }
     }
 }
@@ -63,8 +68,6 @@ impl DirectoryCache for PmtCache {
 #[serde_with::skip_serializing_none]
 #[derive(Debug, Default, Serialize, Deserialize)]
 pub struct PmtConfig {
-    pub dir_cache_size_mb: Option<u64>,
-
     #[serde(flatten)]
     pub unrecognized: UnrecognizedValues,
 
@@ -78,12 +81,12 @@ pub struct PmtConfig {
     pub next_cache_id: AtomicUsize,
 
     #[serde(skip)]
-    pub cache: Option<PmtCacheObject>,
+    pub cache: OptMainCache,
 }
 
 impl PartialEq for PmtConfig {
     fn eq(&self, other: &Self) -> bool {
-        self.dir_cache_size_mb == other.dir_cache_size_mb && self.unrecognized == other.unrecognized
+        self.unrecognized == other.unrecognized
     }
 }
 
@@ -91,7 +94,6 @@ impl Clone for PmtConfig {
     fn clone(&self) -> Self {
         // State is not shared between clones, only the serialized config
         Self {
-            dir_cache_size_mb: self.dir_cache_size_mb,
             unrecognized: self.unrecognized.clone(),
             ..Default::default()
         }
@@ -107,24 +109,17 @@ impl PmtConfig {
 }
 
 impl ConfigExtras for PmtConfig {
-    fn init_parsing(&mut self) -> FileResult<()> {
+    fn init_parsing(&mut self, cache: OptMainCache) -> FileResult<()> {
         assert!(self.client.is_none());
         assert!(self.cache.is_none());
 
         self.client = Some(Client::new());
+        self.cache = cache;
 
-        // Allow cache size to be disabled with 0
-        let dir_cache_size = self.dir_cache_size_mb.unwrap_or(32) * 1024 * 1024;
-        if dir_cache_size > 0 {
-            self.cache = Some(
-                Cache::builder()
-                    .weigher(|_key, value: &Directory| -> u32 {
-                        value.get_approx_byte_size().try_into().unwrap_or(u32::MAX)
-                    })
-                    .max_capacity(dir_cache_size)
-                    .build(),
-            );
+        if self.unrecognized.contains_key("dir_cache_size_mb") {
+            warn!("dir_cache_size_mb is no longer used. Instead, use cache_size_mb param in the root of the config file.");
         }
+
         Ok(())
     }
 
diff --git a/martin/src/source.rs b/martin/src/source.rs
index 01c2bc2b..ba04293b 100644
--- a/martin/src/source.rs
+++ b/martin/src/source.rs
@@ -167,6 +167,7 @@ mod tests {
     }
 }
 
+#[derive(Debug, Clone)]
 pub struct Tile {
     pub data: TileData,
     pub info: TileInfo,
diff --git a/martin/src/sprites/mod.rs b/martin/src/sprites/mod.rs
index fa81f179..7a0fc8cc 100644
--- a/martin/src/sprites/mod.rs
+++ b/martin/src/sprites/mod.rs
@@ -77,7 +77,7 @@ pub struct SpriteSources(HashMap<String, SpriteSource>);
 
 impl SpriteSources {
     pub fn resolve(config: &mut FileConfigEnum<SpriteConfig>) -> FileResult<Self> {
-        let Some(cfg) = config.extract_file_config()? else {
+        let Some(cfg) = config.extract_file_config(None)? else {
             return Ok(Self::default());
         };
 
diff --git a/martin/src/srv/fonts.rs b/martin/src/srv/fonts.rs
old mode 100755
new mode 100644
diff --git a/martin/src/srv/mod.rs b/martin/src/srv/mod.rs
index ea94de2e..b9ad026f 100644
--- a/martin/src/srv/mod.rs
+++ b/martin/src/srv/mod.rs
@@ -1,14 +1,14 @@
 mod config;
 pub use config::{SrvConfig, KEEP_ALIVE_DEFAULT, LISTEN_ADDRESSES_DEFAULT};
 
+#[cfg(feature = "fonts")]
+mod fonts;
+
 mod server;
 pub use server::{new_server, router, Catalog, RESERVED_KEYWORDS};
 
 mod tiles;
-pub use tiles::{get_tile_content, get_tile_response, TileRequest};
-
-#[cfg(feature = "fonts")]
-mod fonts;
+pub use tiles::{DynTileSource, TileRequest};
 
 mod tiles_info;
 pub use tiles_info::{merge_tilejson, SourceIDsRequest};
diff --git a/martin/src/srv/server.rs b/martin/src/srv/server.rs
index 377638b6..4fe0e4d9 100755
--- a/martin/src/srv/server.rs
+++ b/martin/src/srv/server.rs
@@ -112,7 +112,9 @@ pub fn new_server(config: SrvConfig, state: ServerState) -> MartinResult<(Server
             .allow_any_origin()
             .allowed_methods(vec!["GET"]);
 
-        let app = App::new().app_data(Data::new(state.tiles.clone()));
+        let app = App::new()
+            .app_data(Data::new(state.tiles.clone()))
+            .app_data(Data::new(state.cache.clone()));
 
         #[cfg(feature = "sprites")]
         let app = app.app_data(Data::new(state.sprites.clone()));
diff --git a/martin/src/srv/sprites.rs b/martin/src/srv/sprites.rs
index c3275bbe..55a61a81 100644
--- a/martin/src/srv/sprites.rs
+++ b/martin/src/srv/sprites.rs
@@ -4,28 +4,18 @@ use actix_web::error::ErrorNotFound;
 use actix_web::http::header::ContentType;
 use actix_web::web::{Data, Path};
 use actix_web::{middleware, route, HttpResponse, Result as ActixResult};
+use spreet::Spritesheet;
 
 use crate::sprites::{SpriteError, SpriteSources};
 use crate::srv::server::map_internal_error;
 use crate::srv::SourceIDsRequest;
 
-pub fn map_sprite_error(e: SpriteError) -> actix_web::Error {
-    use SpriteError::SpriteNotFound;
-    match e {
-        SpriteNotFound(_) => ErrorNotFound(e.to_string()),
-        _ => map_internal_error(e),
-    }
-}
-
 #[route("/sprite/{source_ids}.png", method = "GET", method = "HEAD")]
 async fn get_sprite_png(
     path: Path<SourceIDsRequest>,
     sprites: Data<SpriteSources>,
 ) -> ActixResult<HttpResponse> {
-    let sheet = sprites
-        .get_sprites(&path.source_ids)
-        .await
-        .map_err(map_sprite_error)?;
+    let sheet = get_sprite(&path, &sprites).await?;
     Ok(HttpResponse::Ok()
         .content_type(ContentType::png())
         .body(sheet.encode_png().map_err(map_internal_error)?))
@@ -41,9 +31,16 @@ async fn get_sprite_json(
     path: Path<SourceIDsRequest>,
     sprites: Data<SpriteSources>,
 ) -> ActixResult<HttpResponse> {
-    let sheet = sprites
-        .get_sprites(&path.source_ids)
-        .await
-        .map_err(map_sprite_error)?;
+    let sheet = get_sprite(&path, &sprites).await?;
     Ok(HttpResponse::Ok().json(sheet.get_index()))
 }
+
+async fn get_sprite(path: &SourceIDsRequest, sprites: &SpriteSources) -> ActixResult<Spritesheet> {
+    sprites
+        .get_sprites(&path.source_ids)
+        .await
+        .map_err(|e| match e {
+            SpriteError::SpriteNotFound(_) => ErrorNotFound(e.to_string()),
+            _ => map_internal_error(e),
+        })
+}
diff --git a/martin/src/srv/tiles.rs b/martin/src/srv/tiles.rs
old mode 100644
new mode 100755
index 32463a6f..f2582996
--- a/martin/src/srv/tiles.rs
+++ b/martin/src/srv/tiles.rs
@@ -6,13 +6,18 @@ use actix_web::http::header::{
 use actix_web::web::{Data, Path, Query};
 use actix_web::{route, HttpMessage, HttpRequest, HttpResponse, Result as ActixResult};
 use futures::future::try_join_all;
+use log::trace;
 use martin_tile_utils::{Encoding, Format, TileInfo};
 use serde::Deserialize;
 
 use crate::source::{Source, TileSources, UrlQuery};
 use crate::srv::server::map_internal_error;
-use crate::utils::{decode_brotli, decode_gzip, encode_brotli, encode_gzip};
-use crate::{Tile, TileCoord};
+use crate::utils::cache::get_or_insert_cached_value;
+use crate::utils::{
+    decode_brotli, decode_gzip, encode_brotli, encode_gzip, CacheKey, CacheValue, MainCache,
+    OptMainCache,
+};
+use crate::{Tile, TileCoord, TileData};
 
 static SUPPORTED_ENCODINGS: &[HeaderEnc] = &[
     HeaderEnc::brotli(),
@@ -33,125 +38,165 @@ async fn get_tile(
     req: HttpRequest,
     path: Path<TileRequest>,
     sources: Data<TileSources>,
+    cache: Data<OptMainCache>,
 ) -> ActixResult<HttpResponse> {
-    let xyz = TileCoord {
+    let src = DynTileSource::new(
+        sources.as_ref(),
+        &path.source_ids,
+        Some(path.z),
+        req.query_string(),
+        req.get_header::<AcceptEncoding>(),
+        cache.as_ref().as_ref(),
+    )?;
+
+    src.get_http_response(TileCoord {
         z: path.z,
         x: path.x,
         y: path.y,
-    };
-
-    let source_ids = &path.source_ids;
-    let query = req.query_string();
-    let encodings = req.get_header::<AcceptEncoding>();
-
-    get_tile_response(sources.as_ref(), xyz, source_ids, query, encodings).await
-}
-
-pub async fn get_tile_response(
-    sources: &TileSources,
-    xyz: TileCoord,
-    source_ids: &str,
-    query: &str,
-    encodings: Option<AcceptEncoding>,
-) -> ActixResult<HttpResponse> {
-    let (sources, use_url_query, info) = sources.get_sources(source_ids, Some(xyz.z))?;
-
-    let query = use_url_query.then_some(query);
-    let tile = get_tile_content(sources.as_slice(), info, xyz, query, encodings.as_ref()).await?;
-
-    Ok(if tile.data.is_empty() {
-        HttpResponse::NoContent().finish()
-    } else {
-        let mut response = HttpResponse::Ok();
-        response.content_type(tile.info.format.content_type());
-        if let Some(val) = tile.info.encoding.content_encoding() {
-            response.insert_header((CONTENT_ENCODING, val));
-        }
-        response.body(tile.data)
     })
+    .await
 }
 
-pub async fn get_tile_content(
-    sources: &[&dyn Source],
-    info: TileInfo,
-    xyz: TileCoord,
-    query: Option<&str>,
-    encodings: Option<&AcceptEncoding>,
-) -> ActixResult<Tile> {
-    if sources.is_empty() {
-        return Err(ErrorNotFound("No valid sources found"));
-    }
-    let query_str = query.filter(|v| !v.is_empty());
-    let query = match query_str {
-        Some(v) => Some(Query::<UrlQuery>::from_query(v)?.into_inner()),
-        None => None,
-    };
+pub struct DynTileSource<'a> {
+    pub sources: Vec<&'a dyn Source>,
+    pub info: TileInfo,
+    pub query_str: Option<&'a str>,
+    pub query_obj: Option<UrlQuery>,
+    pub encodings: Option<AcceptEncoding>,
+    pub cache: Option<&'a MainCache>,
+}
 
-    let mut tiles = try_join_all(sources.iter().map(|s| s.get_tile(xyz, query.as_ref())))
+impl<'a> DynTileSource<'a> {
+    pub fn new(
+        sources: &'a TileSources,
+        source_ids: &str,
+        zoom: Option<u8>,
+        query: &'a str,
+        encodings: Option<AcceptEncoding>,
+        cache: Option<&'a MainCache>,
+    ) -> ActixResult<Self> {
+        let (sources, use_url_query, info) = sources.get_sources(source_ids, zoom)?;
+
+        if sources.is_empty() {
+            return Err(ErrorNotFound("No valid sources found"));
+        }
+
+        let mut query_obj = None;
+        let mut query_str = None;
+        if use_url_query && !query.is_empty() {
+            query_obj = Some(Query::<UrlQuery>::from_query(query)?.into_inner());
+            query_str = Some(query);
+        }
+
+        Ok(Self {
+            sources,
+            info,
+            query_str,
+            query_obj,
+            encodings,
+            cache,
+        })
+    }
+
+    pub async fn get_http_response(&self, xyz: TileCoord) -> ActixResult<HttpResponse> {
+        let tile = self.get_tile_content(xyz).await?;
+
+        Ok(if tile.data.is_empty() {
+            HttpResponse::NoContent().finish()
+        } else {
+            let mut response = HttpResponse::Ok();
+            response.content_type(tile.info.format.content_type());
+            if let Some(val) = tile.info.encoding.content_encoding() {
+                response.insert_header((CONTENT_ENCODING, val));
+            }
+            response.body(tile.data)
+        })
+    }
+
+    pub async fn get_tile_content(&self, xyz: TileCoord) -> ActixResult<Tile> {
+        let mut tiles = try_join_all(self.sources.iter().map(|s| async {
+            get_or_insert_cached_value!(
+                self.cache,
+                CacheValue::Tile,
+                s.get_tile(xyz, self.query_obj.as_ref()),
+                {
+                    let id = s.get_id().to_owned();
+                    if let Some(query_str) = self.query_str {
+                        CacheKey::TileWithQuery(id, xyz, query_str.to_owned())
+                    } else {
+                        CacheKey::Tile(id, xyz)
+                    }
+                }
+            )
+        }))
         .await
         .map_err(map_internal_error)?;
 
-    let mut layer_count = 0;
-    let mut last_non_empty_layer = 0;
-    for (idx, tile) in tiles.iter().enumerate() {
-        if !tile.is_empty() {
-            layer_count += 1;
-            last_non_empty_layer = idx;
+        let mut layer_count = 0;
+        let mut last_non_empty_layer = 0;
+        for (idx, tile) in tiles.iter().enumerate() {
+            if !tile.is_empty() {
+                layer_count += 1;
+                last_non_empty_layer = idx;
+            }
         }
+
+        // Minor optimization to prevent concatenation if there are less than 2 tiles
+        let data = match layer_count {
+            1 => tiles.swap_remove(last_non_empty_layer),
+            0 => return Ok(Tile::new(Vec::new(), self.info)),
+            _ => {
+                // Make sure tiles can be concatenated, or if not, that there is only one non-empty tile for each zoom level
+                // TODO: can zlib, brotli, or zstd be concatenated?
+                // TODO: implement decompression step for other concatenate-able formats
+                let can_join = self.info.format == Format::Mvt
+                    && (self.info.encoding == Encoding::Uncompressed
+                        || self.info.encoding == Encoding::Gzip);
+                if !can_join {
+                    return Err(ErrorBadRequest(format!(
+                        "Can't merge {} tiles. Make sure there is only one non-empty tile source at zoom level {}",
+                        self.info,
+                        xyz.z
+                    )))?;
+                }
+                tiles.concat()
+            }
+        };
+
+        // decide if (re-)encoding of the tile data is needed, and recompress if so
+        self.recompress(data)
     }
 
-    // Minor optimization to prevent concatenation if there are less than 2 tiles
-    let data = match layer_count {
-        1 => tiles.swap_remove(last_non_empty_layer),
-        0 => return Ok(Tile::new(Vec::new(), info)),
-        _ => {
-            // Make sure tiles can be concatenated, or if not, that there is only one non-empty tile for each zoom level
-            // TODO: can zlib, brotli, or zstd be concatenated?
-            // TODO: implement decompression step for other concatenate-able formats
-            let can_join = info.format == Format::Mvt
-                && (info.encoding == Encoding::Uncompressed || info.encoding == Encoding::Gzip);
-            if !can_join {
-                return Err(ErrorBadRequest(format!(
-                    "Can't merge {info} tiles. Make sure there is only one non-empty tile source at zoom level {}",
-                    xyz.z
-                )))?;
-            }
-            tiles.concat()
-        }
-    };
-
-    // decide if (re-)encoding of the tile data is needed, and recompress if so
-    let tile = recompress(Tile::new(data, info), encodings)?;
-
-    Ok(tile)
-}
-
-fn recompress(mut tile: Tile, accept_enc: Option<&AcceptEncoding>) -> ActixResult<Tile> {
-    if let Some(accept_enc) = accept_enc {
-        if tile.info.encoding.is_encoded() {
-            // already compressed, see if we can send it as is, or need to re-compress
-            if !accept_enc.iter().any(|e| {
-                if let Preference::Specific(HeaderEnc::Known(enc)) = e.item {
-                    to_encoding(enc) == Some(tile.info.encoding)
-                } else {
-                    false
+    fn recompress(&self, tile: TileData) -> ActixResult<Tile> {
+        let mut tile = Tile::new(tile, self.info);
+        if let Some(accept_enc) = &self.encodings {
+            if self.info.encoding.is_encoded() {
+                // already compressed, see if we can send it as is, or need to re-compress
+                if !accept_enc.iter().any(|e| {
+                    if let Preference::Specific(HeaderEnc::Known(enc)) = e.item {
+                        to_encoding(enc) == Some(tile.info.encoding)
+                    } else {
+                        false
+                    }
+                }) {
+                    // need to re-compress the tile - uncompress it first
+                    tile = decode(tile)?;
                 }
-            }) {
-                // need to re-compress the tile - uncompress it first
-                tile = decode(tile)?;
             }
-        }
-        if tile.info.encoding == Encoding::Uncompressed {
-            // only apply compression if the content supports it
-            if let Some(HeaderEnc::Known(enc)) = accept_enc.negotiate(SUPPORTED_ENCODINGS.iter()) {
-                // (re-)compress the tile into the preferred encoding
-                tile = encode(tile, enc)?;
+            if tile.info.encoding == Encoding::Uncompressed {
+                // only apply compression if the content supports it
+                if let Some(HeaderEnc::Known(enc)) =
+                    accept_enc.negotiate(SUPPORTED_ENCODINGS.iter())
+                {
+                    // (re-)compress the tile into the preferred encoding
+                    tile = encode(tile, enc)?;
+                }
             }
+            Ok(tile)
+        } else {
+            // no accepted-encoding header, decode the tile if compressed
+            decode(tile)
         }
-        Ok(tile)
-    } else {
-        // no accepted-encoding header, decode the tile if compressed
-        decode(tile)
     }
 }
 
@@ -189,7 +234,7 @@ fn decode(tile: Tile) -> ActixResult<Tile> {
     })
 }
 
-fn to_encoding(val: ContentEncoding) -> Option<Encoding> {
+pub fn to_encoding(val: ContentEncoding) -> Option<Encoding> {
     Some(match val {
         ContentEncoding::Identity => Encoding::Uncompressed,
         ContentEncoding::Gzip => Encoding::Gzip,
@@ -233,15 +278,9 @@ mod tests {
             ("empty,non-empty", vec![1_u8, 2, 3]),
             ("empty,non-empty,empty", vec![1_u8, 2, 3]),
         ] {
-            let (src, _, info) = sources.get_sources(source_id, None).unwrap();
+            let src = DynTileSource::new(&sources, source_id, None, "", None, None).unwrap();
             let xyz = TileCoord { z: 0, x: 0, y: 0 };
-            assert_eq!(
-                expected,
-                &get_tile_content(src.as_slice(), info, xyz, None, None)
-                    .await
-                    .unwrap()
-                    .data
-            );
+            assert_eq!(expected, &src.get_tile_content(xyz).await.unwrap().data);
         }
     }
 }
diff --git a/martin/src/srv/tiles_info.rs b/martin/src/srv/tiles_info.rs
old mode 100644
new mode 100755
diff --git a/martin/src/utils/cache.rs b/martin/src/utils/cache.rs
new file mode 100755
index 00000000..ff442156
--- /dev/null
+++ b/martin/src/utils/cache.rs
@@ -0,0 +1,91 @@
+use moka::future::Cache;
+use pmtiles::Directory;
+
+use crate::{TileCoord, TileData};
+
+pub type MainCache = Cache<CacheKey, CacheValue>;
+pub type OptMainCache = Option<MainCache>;
+pub const NO_MAIN_CACHE: OptMainCache = None;
+
+#[derive(Debug, Hash, PartialEq, Eq)]
+pub enum CacheKey {
+    /// (pmtiles_id, offset)
+    PmtDirectory(usize, usize),
+    /// (source_id, xyz)
+    Tile(String, TileCoord),
+    /// (source_id, xyz, url_query)
+    TileWithQuery(String, TileCoord, String),
+}
+
+#[derive(Debug, Clone)]
+pub enum CacheValue {
+    Tile(TileData),
+    PmtDirectory(Directory),
+}
+
+macro_rules! trace_cache {
+    ($typ: literal, $cache: expr, $key: expr) => {
+        trace!(
+            "Cache {} for {:?} in {:?} that has {} entries taking up {} space",
+            $typ,
+            $key,
+            $cache.name(),
+            $cache.entry_count(),
+            $cache.weighted_size(),
+        );
+    };
+}
+
+macro_rules! from_cache_value {
+    ($value_type: path, $data: expr, $key: expr) => {
+        if let $value_type(data) = $data {
+            data
+        } else {
+            panic!("Unexpected value type {:?} for key {:?} cache", $data, $key)
+        }
+    };
+}
+#[cfg(feature = "pmtiles")]
+macro_rules! get_cached_value {
+    ($cache: expr, $value_type: path, $make_key: expr) => {
+        if let Some(cache) = $cache {
+            let key = $make_key;
+            if let Some(data) = cache.get(&key).await {
+                $crate::utils::cache::trace_cache!("HIT", cache, key);
+                Some($crate::utils::cache::from_cache_value!(
+                    $value_type,
+                    data,
+                    key
+                ))
+            } else {
+                $crate::utils::cache::trace_cache!("MISS", cache, key);
+                None
+            }
+        } else {
+            None
+        }
+    };
+}
+
+macro_rules! get_or_insert_cached_value {
+    ($cache: expr, $value_type: path, $make_item:expr, $make_key: expr) => {{
+        if let Some(cache) = $cache {
+            let key = $make_key;
+            Ok(if let Some(data) = cache.get(&key).await {
+                $crate::utils::cache::trace_cache!("HIT", cache, key);
+                $crate::utils::cache::from_cache_value!($value_type, data, key)
+            } else {
+                $crate::utils::cache::trace_cache!("MISS", cache, key);
+                let data = $make_item.await?;
+                cache.insert(key, $value_type(data.clone())).await;
+                data
+            })
+        } else {
+            $make_item.await
+        }
+    }};
+}
+
+#[cfg(feature = "pmtiles")]
+pub(crate) use get_cached_value;
+pub(crate) use {from_cache_value, get_or_insert_cached_value, trace_cache};
diff --git a/martin/src/utils/mod.rs b/martin/src/utils/mod.rs
index e0444cde..306da7e5 100644
--- a/martin/src/utils/mod.rs
+++ b/martin/src/utils/mod.rs
@@ -1,3 +1,6 @@
+pub(crate) mod cache;
+pub use cache::{CacheKey, CacheValue, MainCache, OptMainCache, NO_MAIN_CACHE};
+
 mod cfg_containers;
 pub use cfg_containers::{OptBoolObj, OptOneMany};
 
diff --git a/martin/src/utils/xyz.rs b/martin/src/utils/xyz.rs
index 421ec6df..1a968207 100644
--- a/martin/src/utils/xyz.rs
+++ b/martin/src/utils/xyz.rs
@@ -1,6 +1,6 @@
 use std::fmt::{Display, Formatter};
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
 pub struct TileCoord {
     pub z: u8,
     pub x: u32,
diff --git a/martin/tests/mb_server_test.rs b/martin/tests/mb_server_test.rs
index b20b64f5..b38d490b 100644
--- a/martin/tests/mb_server_test.rs
+++ b/martin/tests/mb_server_test.rs
@@ -22,6 +22,7 @@ macro_rules! create_app {
                 .app_data(actix_web::web::Data::new(
                     ::martin::srv::Catalog::new(&state).unwrap(),
                 ))
+                .app_data(actix_web::web::Data::new(::martin::NO_MAIN_CACHE))
                 .app_data(actix_web::web::Data::new(state.tiles))
                 .configure(::martin::srv::router),
         )
diff --git a/martin/tests/pg_server_test.rs b/martin/tests/pg_server_test.rs
index ebbc5114..55b7f37a 100644
--- a/martin/tests/pg_server_test.rs
+++ b/martin/tests/pg_server_test.rs
@@ -26,6 +26,7 @@ macro_rules! create_app {
                 .app_data(actix_web::web::Data::new(
                     ::martin::srv::Catalog::new(&state).unwrap(),
                 ))
+                .app_data(actix_web::web::Data::new(::martin::NO_MAIN_CACHE))
                 .app_data(actix_web::web::Data::new(state.tiles))
                 .configure(::martin::srv::router),
         )
@@ -1086,6 +1087,7 @@ tables:
             .app_data(actix_web::web::Data::new(
                 ::martin::srv::Catalog::new(&state).unwrap(),
             ))
+            .app_data(actix_web::web::Data::new(::martin::NO_MAIN_CACHE))
             .app_data(actix_web::web::Data::new(state.tiles))
             .configure(::martin::srv::router),
     )
diff --git a/martin/tests/pmt_server_test.rs b/martin/tests/pmt_server_test.rs
index 5b1a4d19..9a6e7ce4 100644
--- a/martin/tests/pmt_server_test.rs
+++ b/martin/tests/pmt_server_test.rs
@@ -22,6 +22,7 @@ macro_rules! create_app {
                 .app_data(actix_web::web::Data::new(
                     ::martin::srv::Catalog::new(&state).unwrap(),
                 ))
+                .app_data(actix_web::web::Data::new(::martin::NO_MAIN_CACHE))
                 .app_data(actix_web::web::Data::new(state.tiles))
                 .configure(::martin::srv::router),
         )
diff --git a/martin/tests/utils/pg_utils.rs b/martin/tests/utils/pg_utils.rs
index 334b1179..02116664 100644
--- a/martin/tests/utils/pg_utils.rs
+++ b/martin/tests/utils/pg_utils.rs
@@ -1,6 +1,6 @@
 use indoc::formatdoc;
 pub use martin::args::Env;
-use martin::{Config, IdResolver, ServerState, Source};
+use martin::{Config, ServerState, Source};
 
 use crate::mock_cfg;
 
@@ -22,7 +22,7 @@ pub fn mock_pgcfg(yaml: &str) -> Config {
 
 #[allow(dead_code)]
 pub async fn mock_sources(mut config: Config) -> MockSource {
-    let res = config.resolve(IdResolver::default()).await;
+    let res = config.resolve().await;
     let res = res.unwrap_or_else(|e| panic!("Failed to resolve config {config:?}: {e}"));
     (res, config)
 }
diff --git a/mbtiles/Cargo.toml b/mbtiles/Cargo.toml
index f3021360..1f22df56 100644
--- a/mbtiles/Cargo.toml
+++ b/mbtiles/Cargo.toml
@@ -2,7 +2,7 @@ lints.workspace = true
 
 [package]
 name = "mbtiles"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Yuri Astrakhan <YuriAstrakhan@gmail.com>", "MapLibre contributors"]
 description = "A simple low-level MbTiles access and processing library, with some tile format detection and other relevant heuristics."
 keywords = ["mbtiles", "maps", "tiles", "mvt", "tilejson"]
diff --git a/tests/config.yaml b/tests/config.yaml
index 7a3f2848..70b08a05 100644
--- a/tests/config.yaml
+++ b/tests/config.yaml
@@ -8,6 +8,9 @@ listen_addresses: '0.0.0.0:3000'
 # Number of web server workers
 worker_processes: 8
 
+# Amount of memory (in MB) to use for caching tiles [default: 512, 0 to disable]
+cache_size_mb: 8
+
 # Database configuration. This can also be a list of PG configs.
 postgres:
   # Database connection string
@@ -166,7 +169,6 @@ postgres:
 
 
 pmtiles:
-  dir_cache_size_mb: 100
   paths:
     - http://localhost:5412/webp2.pmtiles
   sources:
diff --git a/tests/expected/configured/save_config.yaml b/tests/expected/configured/save_config.yaml
index 47379599..308490c1 100644
--- a/tests/expected/configured/save_config.yaml
+++ b/tests/expected/configured/save_config.yaml
@@ -1,3 +1,4 @@
+cache_size_mb: 8
 keep_alive: 75
 listen_addresses: localhost:3111
 worker_processes: 1
@@ -165,7 +166,6 @@ pmtiles:
     pmt: tests/fixtures/pmtiles/stamen_toner__raster_CC-BY+ODbL_z3.pmtiles
     pmt2: http://localhost:5412/webp2.pmtiles
     webp2: http://localhost:5412/webp2.pmtiles
-  dir_cache_size_mb: 100
 sprites:
   paths: tests/fixtures/sprites/src1
   sources: