Update dockerfile for build options (#3567)

* Update dockerfile for build options

* Start permanent on small

* Default to small

* Default to small fixup

.github/workflows/build-private-images.yml

@@ -47,6 +47,7 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |
+            MIX_ENV=prod
             BUILD_METADATA=${{ steps.meta.outputs.json }}
 
       - name: Image digest

.github/workflows/build-public-images.yml

@@ -46,6 +46,7 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
           build-args: |
+            MIX_ENV=small
             BUILD_METADATA=${{ steps.meta.outputs.json }}
             ERL_FLAGS=+JPperf true
 

Dockerfile

@@ -4,8 +4,10 @@
 #### Builder
 FROM hexpm/elixir:1.15.7-erlang-26.1.2-alpine-3.18.4 as buildcontainer
 
+ARG MIX_ENV=small
+
 # preparation
-ENV MIX_ENV=prod
+ENV MIX_ENV=$MIX_ENV
 ENV NODE_ENV=production
 ENV NODE_OPTIONS=--openssl-legacy-provider
 
@@ -59,6 +61,8 @@ LABEL maintainer="plausible.io <hello@plausible.io>"
 ARG BUILD_METADATA={}
 ENV BUILD_METADATA=$BUILD_METADATA
 ENV LANG=C.UTF-8
+ARG MIX_ENV=small
+ENV MIX_ENV=$MIX_ENV
 
 RUN apk upgrade --no-cache
 
@@ -69,7 +73,7 @@ COPY ./rel/docker-entrypoint.sh /entrypoint.sh
 RUN chmod a+x /entrypoint.sh && \
   adduser -h /app -u 1000 -s /bin/sh -D plausibleuser
 
-COPY --from=buildcontainer /app/_build/prod/rel/plausible /app
+COPY --from=buildcontainer /app/_build/${MIX_ENV}/rel/plausible /app
 RUN chown -R plausibleuser:plausibleuser /app
 USER plausibleuser
 WORKDIR /app

mix.exs

@@ -10,7 +10,7 @@ defmodule Plausible.MixProject do
       version: System.get_env("APP_VERSION", "0.0.1"),
       elixir: "~> 1.14",
       elixirc_paths: elixirc_paths(Mix.env()),
-      start_permanent: Mix.env() == :prod,
+      start_permanent: Mix.env() in [:prod, :small],
       aliases: aliases(),
       deps: deps(),
       test_coverage: [