Production Build Working

Dockerfile

@@ -1,36 +1,39 @@
 # syntax = docker/dockerfile:1
 
-# 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
-
-# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
+# 1. Base Stage: Common dependencies
 ARG RUBY_VERSION=3.3.1
-FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
+FROM ruby:$RUBY_VERSION-slim as base
 
-# Rails app lives here
-WORKDIR app
-
-# Install base packages
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libjemalloc2 libvips postgresql-client && \
-    rm -rf /var/lib/apt/lists /var/cache/apt/archives
-
-# Set production environment
+WORKDIR /rails
 ENV RAILS_ENV="production" \
     BUNDLE_DEPLOYMENT="1" \
     BUNDLE_PATH="/usr/local/bundle" \
-    BUNDLE_WITHOUT="development"
+    BUNDLE_WITHOUT="development:test"
 
-# Throw-away build stage to reduce size of final image
-FROM base AS build
-
-# Install packages needed to build gems
+# Install base packages (libvips for Active Storage, curl for healthchecks)
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git libpq-dev pkg-config && \
+    apt-get install --no-install-recommends -y \
+    build-essential \
+    curl \
+    git \
+    libvips \
+    freetds-bin \
+    freetds-dev \
+    libjemalloc2 \
+    ruby-dev \
+    dos2unix && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
+# 2. Build Stage: Gems and Assets
+FROM base as build
+
+# Install packages needed to build gems and precompile assets
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y build-essential pkg-config less && \
     rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install application gems
+RUN bundle config set --local frozen false
 COPY Gemfile Gemfile.lock ./
 RUN bundle install && \
     rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
@@ -39,28 +42,26 @@ RUN bundle install && \
 # Copy application code
 COPY . .
 
-# Precompile bootsnap code for faster boot times
-RUN bundle exec bootsnap precompile app/ lib/
+RUN bundle exec bootsnap precompile app/
 
-
-
-
-# Final stage for app image
+# 3. Final Stage: Lean Runtime
 FROM base
 
-# Copy built artifacts: gems, application
-COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
-COPY --from=build /app /app
+# Copy built artifacts: gems and precompiled assets
+# COPY --from=build /rails/public /rails/public
+# COPY --from=build /rails/app/javascript /rails/app/javascript
+# COPY --from=build /rails/config/importmap.rb /rails/config/importmap.rb
+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 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
+# Run as a non-privileged user for security
+RUN useradd -ms /bin/bash rails
+RUN chown -R rails:rails /rails
+USER rails:rails
 
 # Entrypoint prepares the database.
-ENTRYPOINT ["/app/bin/docker-entrypoint"]
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
 
-# Start the server by default, this can be overwritten at runtime
-EXPOSE 3000
-CMD ["./bin/rails", "server"]
+# Start the server
+EXPOSE 3005
+CMD ["bundle", "exec", "puma", "-C", "config/puma.rb"]