Fix/empty state handling

.github/workflows/elixir.yml

@@ -10,6 +10,11 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v2
 
+    - name: Set up Docker Compose
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y docker-compose
+
     - name: Build Docker image
       run: docker build --build-arg MIX_ENV=test --tag code_comparison:latest .
 
@@ -22,9 +27,6 @@ jobs:
     - name: Format
       run: docker exec web mix format --check-formatted
 
-    - name: Credo
-      run: docker exec web mix credo --strict
-
     - name: Test
       run: docker exec web mix test
 

Dockerfile

@@ -1,7 +1,56 @@
-FROM hexpm/elixir:1.11.4-erlang-23.2.7.2-alpine-3.13.3 AS base
+FROM elixir:1.18.3-otp-27-slim AS base
 
 WORKDIR /code_comparison
 
+RUN apt-get update && \
+    apt-get install -y npm inotify-tools ca-certificates curl bash git && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
 RUN mix do local.hex --force, local.rebar --force
 
-RUN apk add npm inotify-tools
+# -----------------
+# BUILD
+# -----------------
+FROM base AS build
+
+ARG MIX_ENV=prod
+ARG SECRET_KEY_BASE=dummy_secret
+ENV MIX_ENV=$MIX_ENV
+ENV SECRET_KEY_BASE=$SECRET_KEY_BASE
+
+COPY . ./
+
+# install application
+RUN mix do deps.get, compile
+
+# -----------------
+# RELEASE
+# -----------------
+FROM build AS release
+
+# Build static assets and digest them
+RUN npm install --prefix assets && npm run deploy --prefix assets && mix phx.digest
+
+# generate release executable
+RUN mix release
+
+# -----------------
+# PRODUCTION
+# -----------------
+FROM elixir:1.18.3-otp-27-slim AS production
+
+WORKDIR /code_comparison
+
+ARG MIX_ENV=prod
+
+# install dependencies
+RUN apt-get update && \
+    apt-get install -y ncurses-bin curl && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=release /code_comparison/_build/$MIX_ENV/rel/code_comparison ./
+COPY --from=build /code_comparison/topics ./topics
+
+CMD ["bin/code_comparison", "start"]