redo merge

Dockerfile

@@ -1,32 +1,19 @@
 FROM ruby:2.7.8
 
+# Point to Debian archive repos instead of the dead ones
+
 RUN apt-get update -qq && \
     curl -sL https://deb.nodesource.com/setup_16.x | bash - && \
-    apt-get install -y build-essential libpq-dev nodejs curl gnupg && \
-    curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
-    apt-get update -qq && apt-get install -y yarn && \
+    apt-get install -y build-essential libpq-dev nodejs && \
     useradd --user-group --create-home --shell /bin/false app
 
 ENV HOME=/home/app
-WORKDIR $HOME/wedding
-
-# Copy only Gemfiles first to leverage Docker caching
-COPY --chown=app:app Gemfile Gemfile.lock ./
-RUN bundle install
-
-# Copy rest of the app
-COPY --chown=app:app . ./
-
-# Make absolutely sure everything belongs to app
-RUN chown -R app:app $HOME/wedding
-
 USER app
 
-# Install JS dependencies
-RUN yarn install --check-files
-
-# Precompile Rails assets (SCSS -> CSS, JS, images)
-RUN bundle exec rake assets:precompile
+COPY --chown=app:app Gemfile Gemfile.lock $HOME/wedding/
+WORKDIR $HOME/wedding
+RUN bundle
 
 CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]
+
+COPY --chown=app:app . $HOME/wedding/