clean up dockerfile

Author: manuelmeurer

Dockerfile

@@ -1,22 +1,5 @@
 # syntax = docker/dockerfile:experimental
 
-# Dockerfile used to build a deployable image for a Rails application.
-# Adjust as required.
-#
-# Common adjustments you may need to make over time:
-#  * Modify version numbers for Ruby, Bundler, and other products.
-#  * Add library packages needed at build time for your gems, node modules.
-#  * Add deployment packages needed by your application
-#  * Add (often fake) secrets needed to compile your assets
-
-#######################################################################
-
-# Learn more about the chosen Ruby stack, Fullstaq Ruby, here:
-#   https://github.com/evilmartians/fullstaq-ruby-docker.
-#
-# We recommend using the highest patch level for better security and
-# performance.
-
 ARG RUBY_VERSION=3.1.2
 ARG VARIANT=jemalloc-bullseye-slim
 FROM quay.io/evl.ms/fullstaq-ruby:${RUBY_VERSION}-${VARIANT} as base
@@ -83,7 +66,6 @@ RUN --mount=type=cache,id=prod-apt-cache,sharing=locked,target=/var/cache/apt \
     apt-get install --no-install-recommends -y ${DEPLOY_PACKAGES} && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
-# copy installed gems
 COPY --from=gems /app /app
 COPY --from=gems /usr/lib/fullstaq-ruby/versions /usr/lib/fullstaq-ruby/versions
 COPY --from=gems /usr/local/bundle /usr/local/bundle
@@ -98,13 +80,6 @@ RUN chmod +x /app/bin/* && \
     sed -i 's/ruby.exe\r*/ruby/' /app/bin/* && \
     sed -i '/^#!/aDir.chdir File.expand_path("..", __dir__)' /app/bin/*
 
-# The following enable assets to precompile on the build server.  Adjust
-# as necessary.  If no combination works for you, see:
-# https://fly.io/docs/rails/getting-started/existing/#access-to-environment-variables-at-build-time
-ENV SECRET_KEY_BASE 1
-# ENV AWS_ACCESS_KEY_ID=1
-# ENV AWS_SECRET_ACCESS_KEY=1
-
 # Run build task defined in lib/tasks/fly.rake
 ARG BUILD_COMMAND="bin/rails fly:build"
 RUN ${BUILD_COMMAND}