Add working Dockerfile

.ruby-version

@@ -1 +1 @@
-
+3.3.4

Dockerfile

@@ -1,69 +1,17 @@
-# syntax = docker/dockerfile:1
+FROM ruby:3.3.4-bullseye AS base
 
-# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
-# docker build -t my-app .
-# docker run -d -p 80:80 -p 443:443 --name my-app -e RAILS_MASTER_KEY=<value from config/master.key> my-app
+RUN apt-get update -qq && apt-get install -y build-essential apt-utils libpq-dev nodejs
 
-# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
-ARG RUBY_VERSION=3.3.4
-FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
+WORKDIR /app
 
-# Rails app lives here
-WORKDIR /rails
+RUN gem install bundler
 
-# Install base packages
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libjemalloc2 libsqlite3-0 libvips && \
-    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+COPY Gemfile* ./
 
-# Set production environment
-ENV RAILS_ENV="production" \
-    BUNDLE_DEPLOYMENT="1" \
-    BUNDLE_PATH="/usr/local/bundle" \
-    BUNDLE_WITHOUT="development"
+RUN bundle install
 
-# Throw-away build stage to reduce size of final image
-FROM base AS build
+ADD . /app
 
-# Install packages needed to build gems
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git pkg-config && \
-    rm -rf /var/lib/apt/lists /var/cache/apt/archives
-
-# Install application gems
-COPY Gemfile Gemfile.lock ./
-RUN bundle install && \
-    rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
-    bundle exec bootsnap precompile --gemfile
-
-# Copy application code
-COPY . .
-
-# 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=1 ./bin/rails assets:precompile
-
-
-
-
-# Final stage for app image
-FROM base
-
-# Copy built artifacts: gems, application
-COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
-COPY --from=build /rails /rails
-
-# Run and own only the runtime files as a non-root user for security
-RUN groupadd --system --gid 1000 rails && \
-    useradd rails --uid 1000 --gid 1000 --create-home --shell /bin/bash && \
-    chown -R rails:rails db log storage tmp
-USER 1000:1000
-
-# Entrypoint prepares the database.
-ENTRYPOINT ["/rails/bin/docker-entrypoint"]
-
-# Start the server by default, this can be overwritten at runtime
 EXPOSE 3000
-CMD ["./bin/rails", "server"]
+
+CMD ["rails", "server", "-b", "0.0.0.0"]

README.md

@@ -1,24 +1,6 @@
 # README
 
-This README would normally document whatever steps are necessary to get the
-application up and running.
-
-Things you may want to cover:
-
-* Ruby version
-
-* System dependencies
-
-* Configuration
-
-* Database creation
-
-* Database initialization
-
-* How to run the test suite
-
-* Services (job queues, cache servers, search engines, etc.)
-
-* Deployment instructions
-
-* ...
+```
+docker build . -t retrofit
+docker run -p 3000:3000 retrofit
+```