Move docker to alpine

Author: vtm9

services/app/Dockerfile.codebattle

@@ -1,54 +1,49 @@
-FROM node:18.15.0 AS assets-image
+FROM node:18.15.0-alpine AS assets-image
 ENV MIX_ENV=prod
 
-WORKDIR /tmp
-
-RUN mkdir -p codebattle/assets
-
 WORKDIR /tmp/codebattle/assets
 
-COPY apps/codebattle/package.json .
-COPY apps/codebattle/yarn.lock .
+COPY apps/codebattle/package.json apps/codebattle/yarn.lock ./
 
-RUN yarn install --froze-lockfile
+RUN yarn install --frozen-lockfile --network-timeout 300000
 
-COPY apps/codebattle/postcss.config.js .
-COPY apps/codebattle/.babelrc .
-COPY apps/codebattle/webpack ./webpack
-COPY apps/codebattle/assets ./assets
-COPY apps/codebattle/priv/gettext ./priv/gettext
+COPY apps/codebattle/postcss.config.js \
+  apps/codebattle/.babelrc \
+  apps/codebattle/webpack \
+  apps/codebattle/assets \
+  apps/codebattle/priv/gettext \
+  ./
 
 RUN yarn build
 
-FROM elixir:1.18 AS compile-image
+FROM elixir:1.18-alpine AS compile-image
 ARG GIT_HASH
 
 ENV APP_VERSION=$GIT_HASH
 ENV MIX_ENV=prod
 
 WORKDIR /opt/app
 
-RUN mix local.hex --force \
+RUN apk add --no-cache build-base \
+  && mix local.hex --force \
   && mix local.rebar --force
 
-COPY mix.exs .
-COPY mix.lock .
+COPY mix.exs mix.lock ./
 COPY config ./config
 COPY apps/runner/mix.exs apps/runner/mix.exs
 COPY apps/phoenix_gon/mix.exs apps/phoenix_gon/mix.exs
 COPY apps/codebattle/mix.exs apps/codebattle/mix.exs
 
-RUN mix do deps.get --only prod, compile
+RUN mix do deps.get --only prod, deps.compile
 
 COPY ./apps/codebattle/ ./apps/codebattle/
 COPY ./apps/runner/ ./apps/runner/
 COPY ./apps/phoenix_gon/ ./apps/phoenix_gon/
 
 COPY --from=assets-image /tmp/codebattle/assets/priv/static ./apps/codebattle/priv/static
 
-RUN mix phx.digest
-
-RUN mix release codebattle \
+RUN mix phx.digest \
+  && mix release codebattle \
   && mv _build/prod/rel/codebattle /opt/release
 
 FROM nginx:alpine AS nginx-assets
@@ -57,10 +52,9 @@ COPY nginx.conf /etc/nginx/conf.d/default.conf
 
 COPY --from=compile-image /opt/release/lib/codebattle-0.1.0/priv/static/assets/ /var/www/assets
 
-FROM elixir:1.18 AS runtime-image
+FROM elixir:1.18-alpine AS runtime-image
 
-RUN apt-get update && apt-get install --no-install-recommends -y ca-certificates wkhtmltopdf git make curl vim \
-  && rm -rf /var/lib/apt/lists/*
+RUN apk add --no-cache ca-certificates wkhtmltopdf git make curl vim
 
 ARG GIT_HASH