changed selfhost to use better dockerfile + bugfixed entrypoint + seeds

Dockerfile.self-host

@@ -1,15 +1,72 @@
-FROM ruby:3.1.2
+# syntax = docker/dockerfile:1
 
-ENV PORT 3000
-EXPOSE $PORT
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.1.4
+FROM ruby:$RUBY_VERSION-slim as base
 
-WORKDIR /home/app
+LABEL fly_launch_runtime="rails"
 
-RUN apt-get update && apt-get install -y npm && npm install -g yarn
+# Rails app lives here
+WORKDIR /rails
 
-COPY Gemfile Gemfile.lock ./
-RUN bundle install
-COPY . .
+# Set production environment
+ENV RAILS_ENV="production" \
+    BUNDLE_WITHOUT="development:test" \
+    BUNDLE_DEPLOYMENT="1"
 
-ENTRYPOINT ["docker-entrypoint.sh"]
+# Update gems and bundler
+RUN gem update --system --no-document && \
+    gem install -N bundler
+
+
+# Throw-away build stage to reduce size of final image
+FROM base as build
+
+# Install packages needed to build gems
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential libpq-dev pkg-config libc6
+
+# Install application gems
+COPY --link Gemfile Gemfile.lock ./
+RUN bundle install && \
+    bundle exec bootsnap precompile --gemfile && \
+    rm -rf ~/.bundle/ $BUNDLE_PATH/ruby/*/cache $BUNDLE_PATH/ruby/*/bundler/gems/*/.git
+
+# Copy application code
+COPY --link . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE=DUMMY ./bin/rails assets:precompile
+
+
+# Final stage for app image
+FROM base
+
+# Install packages needed for deployment
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libsqlite3-0 postgresql-client && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# Copy built artifacts: gems, application
+COPY --from=build /usr/local/bundle /usr/local/bundle
+COPY --from=build /rails /rails
+
+# Run and own only the runtime files as a non-root user for security
+RUN useradd rails --create-home --shell /bin/bash && \
+    chown -R rails:rails db log storage tmp public
+USER rails:rails
+
+# Deployment options
+ENV RAILS_LOG_TO_STDOUT="1" \
+    RAILS_SERVE_STATIC_FILES="true"
+
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/docker-entrypoint.sh"]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
 CMD ["rails", "server", "-e", "production", "-p", "3000"]

db/seeds.rb

@@ -10,10 +10,15 @@ b1 = Brewery.create name: "Koff", year: 1897
 b2 = Brewery.create name: "Malmgard", year: 2001
 b3 = Brewery.create name: "Weihenstephaner", year: 1040
 
-b1.beers.create name: "Iso 3", style: "Lager"
-b1.beers.create name: "Karhu", style: "Lager"
-b1.beers.create name: "Tuplahumala", style: "Lager"
-b2.beers.create name: "Huvila Pale Ale", style: "Pale Ale"
-b2.beers.create name: "X Porter", style: "Porter"
-b3.beers.create name: "Hefeweizen", style: "Weizen"
-b3.beers.create name: "Helles", style: "Lager"
+s1 = Style.create name: "Lager"
+s2 = Style.create name: "Pale Ale"
+s3 = Style.create name: "Portner"
+s4 = Style.create name: "Weizen"
+
+b1.beers.create name: "Iso 3", style: s1
+b1.beers.create name: "Karhu", style: s1
+b1.beers.create name: "Tuplahumala", style: s1
+b2.beers.create name: "Huvila Pale Ale", style: s2
+b2.beers.create name: "X Porter", style: s3
+b3.beers.create name: "Hefeweizen", style: s4
+b3.beers.create name: "Helles", style: s1

docker-entrypoint.sh

@@ -5,7 +5,7 @@ if [ -f tmp/pids/server.pid ]; then
   rm tmp/pids/server.pid
 fi
 
-bundle exec rails assets:precompile
+bundle exec rails db:create
 bundle exec rails db:migrate
 bundle exec rails db:seed