Finish the example

.. which was accidentally commited, partially, in parent commit.

Pending a FIXME in tests.

example/.gitignore

@@ -0,0 +1 @@
+/data

example/flake.lock

@@ -0,0 +1,129 @@
+{
+  "nodes": {
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1685662779,
+        "narHash": "sha256-cKDDciXGpMEjP1n6HlzKinN0H+oLmNpgeCTzYnsA2po=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "71fb97f0d875fd4de4994dfb849f2c75e17eb6c3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1687274257,
+        "narHash": "sha256-TutzPriQcZ8FghDhEolnHcYU2oHIG5XWF+/SUBNnAOE=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "2c9ecd1f0400076a4d6b2193ad468ff0a7e7fdc5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1685564631,
+        "narHash": "sha256-8ywr3AkblY4++3lIVxmrWZFzac7+f32ZEhH/A8pNscI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4f53efe34b3a8877ac923b9350c874e3dcd5dc0a",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "northwind": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1666887048,
+        "narHash": "sha256-wwqHEkZUTNkg78OLnRDX5JPoRYop8v5UI2hxZTclxs8=",
+        "owner": "pthom",
+        "repo": "northwind_psql",
+        "rev": "3d271b23f3357532e63f92ffb10c4f258dfd20af",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pthom",
+        "repo": "northwind_psql",
+        "type": "github"
+      }
+    },
+    "process-compose-flake": {
+      "locked": {
+        "lastModified": 1687298948,
+        "narHash": "sha256-7Lu4/odCkkwrzR8Mo+3D+URv4oLap8WWLESzi/75eb0=",
+        "owner": "Platonic-Systems",
+        "repo": "process-compose-flake",
+        "rev": "5bdb90b85642901cf9a5dccfe8c907091c261604",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Platonic-Systems",
+        "repo": "process-compose-flake",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs",
+        "northwind": "northwind",
+        "process-compose-flake": "process-compose-flake",
+        "services-flake": "services-flake",
+        "systems": "systems"
+      }
+    },
+    "services-flake": {
+      "locked": {
+        "lastModified": 1687358997,
+        "narHash": "sha256-TjBp031+x3gHM2fRPA2GITXJWTwCstIeQb04rp8Iokk=",
+        "owner": "juspay",
+        "repo": "services-flake",
+        "rev": "27c3221de252b393d9ddbb5cc31ba71b94477cf9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "juspay",
+        "repo": "services-flake",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

example/flake.nix

@@ -28,25 +28,26 @@
               enable = true;
               listen_addresses = "127.0.0.1";
               initialDatabases = [
-                { 
-                  name = "sample"; 
+                {
+                  name = "sample";
                   schema = "${inputs.northwind}/northwind.sql";
-                } 
+                }
               ];
             };
 
             settings.processes.pgweb = {
               environment.PGWEB_DATABASE_URL = "postgres://srid@127.0.0.1:5432/sample";
               command = pkgs.pgweb;
-              depends_on."postgres".condition = "process_started";
+              depends_on."postgres".condition = "process_healthy";
             };
 
             # Set this attribute and get NixOS VM tests, as a flake check, for free.
             testScript = ''
+              # FIXME: pgweb is still pending, but only in VM tests for some reason.
               process_compose.wait_until(lambda procs:
                 procs["postgres"]["status"] == "Running"
               )
-              machine.succeed("echo 'SELECT version();' | ${config.services.postgres.package}/bin/psql -h 127.0.0.1 -U tester chinook")
+              machine.succeed("echo 'SELECT version();' | ${config.services.postgres.package}/bin/psql -h 127.0.0.1 -U tester sample")
             '';
           };
       };

test.sh

@@ -4,6 +4,9 @@ cd "$(dirname "$0")"
 
 # On NixOS, run the VM tests to test runtime behaviour
 if command -v nixos-rebuild &> /dev/null; then
+  # example test
+  nix flake check -L ./example --override-input services-flake .
+
   # service tests
   nix flake check -L ./test --override-input services-flake .
 fi