Merge pull request #46 from felipelincoln/refactor/dockerfile

Refactor dockerfile

.github/workflows/elixir.yml

@@ -18,7 +18,7 @@ jobs:
           docker build --target build --build-arg MIX_ENV=test --cache-from docker.pkg.github.com/felipelincoln/branchpage/dev-cache:latest --tag branchpage:latest .
 
       - name: Start container
-        run: docker-compose run -d -e MIX_ENV=test -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} -v /app/deps -v /app/_build --name branchpage web /bin/sh
+        run: docker-compose run -d -e MIX_ENV=test -e CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }} -v /branchpage/deps -v /branchpage/_build --name branchpage web /bin/sh
 
       - name: Code format
         run: docker exec branchpage mix format --check-formatted

Dockerfile

@@ -1,46 +1,70 @@
-FROM hexpm/elixir:1.11.4-erlang-23.2.7.2-alpine-3.13.3 AS build
+# -----------------
+# BASE
+# -----------------
+FROM hexpm/elixir:1.11.4-erlang-23.2.7.2-alpine-3.13.3 AS base
 
-# setup compile env
-WORKDIR /app
-ARG MIX_ENV=prod
+WORKDIR /branchpage
 
-# install hex and rebar
 RUN mix do local.hex --force, local.rebar --force
 
-# install dependencies
-RUN apk add inotify-tools npm curl bash git
+RUN apk add inotify-tools
+
+
+# -----------------
+# BUILD
+# -----------------
+FROM base AS build
+
+RUN apk add curl bash git
+
+ARG MIX_ENV=prod
+ENV MIX_ENV=$MIX_ENV
 
 # install mix dependencies
 COPY mix.exs mix.lock ./
 COPY apps/web/mix.exs apps/web/mix.exs
 COPY config config
 RUN mix do deps.get, deps.compile --skip-umbrella-children
 
+# install application
+COPY . ./
+RUN mix compile
+
+
+# -----------------
+# RELEASE
+# -----------------
+FROM build AS release
+
+RUN apk add npm
+
 # install node dependencies
-COPY apps/web/assets/package.json apps/web/assets/package-lock.json apps/web/assets/
 RUN npm ci --prefix ./apps/web/assets --no-audit
 
 # generate static files
-COPY apps/web apps/web
 RUN npm run --prefix ./apps/web/assets deploy
 
 # digests and compresses static files
 RUN mix phx.digest
 
-# install umbrella apps and create release
-COPY . ./
-RUN mix do compile, release
+# generate release executable
+RUN mix release
+
 
-# production stage
-FROM alpine:3.13
+# -----------------
+# PRODUCTION
+# -----------------
+FROM alpine:3.13.3
+
+WORKDIR /branchpage
+
+ARG MIX_ENV=prod
+ENV MIX_ENV=$MIX_ENV
 
 # install dependencies
 RUN apk add ncurses-libs curl
 
-# setup app
-WORKDIR /app
-ARG MIX_ENV=prod
-COPY --from=build /app/_build/$MIX_ENV/rel/web ./
+COPY --from=release /branchpage/_build/$MIX_ENV/rel/web ./
 
 # start application
 CMD ["bin/web", "start"]

docker-compose.yml

@@ -4,14 +4,12 @@ services:
   web:
     build:
       context: .
-      target: build
-      args:
-        - MIX_ENV=dev
+      target: base
     image: branchpage:latest
     container_name: branchpage_web
     command: mix phx.server
     restart: unless-stopped
     ports:
       - 4000:4000
     volumes:
-      - .:/app
+      - .:/branchpage

mix.lock

@@ -1,6 +1,6 @@
 %{
   "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm", "7af5c7e09fe1d40f76c8e4f9dd2be7cebd83909f31fee7cd0e9eadc567da8353"},
-  "certifi": {:hex, :certifi, "2.6.1", "dbab8e5e155a0763eea978c913ca280a6b544bfa115633fa20249c3d396d9493", [], [], "hexpm", "524c97b4991b3849dd5c17a631223896272c6b0af446778ba4675a1dff53bb7e"},
+  "certifi": {:hex, :certifi, "2.6.1", "dbab8e5e155a0763eea978c913ca280a6b544bfa115633fa20249c3d396d9493", [:rebar3], [], "hexpm", "524c97b4991b3849dd5c17a631223896272c6b0af446778ba4675a1dff53bb7e"},
   "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm", "1b1dbc1790073076580d0d1d64e42eae2366583e7aecd455d1215b0d16f2451b"},
   "cowboy": {:hex, :cowboy, "2.8.0", "f3dc62e35797ecd9ac1b50db74611193c29815401e53bac9a5c0577bd7bc667d", [:rebar3], [{:cowlib, "~> 2.9.1", [hex: :cowlib, repo: "hexpm", optional: false]}, {:ranch, "~> 1.7.1", [hex: :ranch, repo: "hexpm", optional: false]}], "hexpm", "4643e4fba74ac96d4d152c75803de6fad0b3fa5df354c71afdd6cbeeb15fac8a"},
   "cowboy_telemetry": {:hex, :cowboy_telemetry, "0.3.1", "ebd1a1d7aff97f27c66654e78ece187abdc646992714164380d8a041eda16754", [:rebar3], [{:cowboy, "~> 2.7", [hex: :cowboy, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "3a6efd3366130eab84ca372cbd4a7d3c3a97bdfcfb4911233b035d117063f0af"},