rails 8 docker file

Dockerfile

@@ -1,29 +1,41 @@
-# syntax = docker/dockerfile:1
+# syntax=docker/dockerfile:1
+# check=error=true
 
-# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
+# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
+# docker build -t rails_8_es_tw .
+# docker run -d -p 80:80 -e RAILS_MASTER_KEY=<value from config/master.key> --name rails_8_es_tw rails_8_es_tw
+
+# For a containerized dev environment, see Dev Containers: https://guides.rubyonrails.org/getting_started_with_devcontainer.html
+
+# Make sure RUBY_VERSION matches the Ruby version in .ruby-version
 ARG RUBY_VERSION=3.3.4
-FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
+FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base
 
 # Rails app lives here
 WORKDIR /rails
 
+# Install base packages
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libjemalloc2 libvips sqlite3 && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+
 # Set production environment
 ENV RAILS_ENV="production" \
     BUNDLE_DEPLOYMENT="1" \
     BUNDLE_PATH="/usr/local/bundle" \
     BUNDLE_WITHOUT="development"
 
-
 # Throw-away build stage to reduce size of final image
-FROM base as build
+FROM base AS build
 
 # Install packages needed to build gems and node modules
 RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential curl git libvips node-gyp pkg-config python-is-python3
+    apt-get install --no-install-recommends -y build-essential git node-gyp pkg-config python-is-python3 && \
+    rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Install JavaScript dependencies
-ARG NODE_VERSION=20.10.0
-ARG YARN_VERSION=1.22.19
+ARG NODE_VERSION=22.1.0
+ARG YARN_VERSION=1.22.22
 ENV PATH=/usr/local/node/bin:$PATH
 RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz -C /tmp/ && \
     /tmp/node-build-master/bin/node-build "${NODE_VERSION}" /usr/local/node && \
@@ -36,7 +48,6 @@ RUN bundle install && \
     rm -rf ~/.bundle/ "${BUNDLE_PATH}"/ruby/*/cache "${BUNDLE_PATH}"/ruby/*/bundler/gems/*/.git && \
     bundle exec bootsnap precompile --gemfile
 
-
 # Install node modules
 COPY package.json yarn.lock ./
 RUN yarn install --frozen-lockfile
@@ -51,26 +62,25 @@ RUN bundle exec bootsnap precompile app/ lib/
 RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
 
 
+RUN rm -rf node_modules
+
+
 # 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 libvips && \
-    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 "${BUNDLE_PATH}" "${BUNDLE_PATH}"
 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 && \
+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 rails:rails
+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"]
+# Start server via Thruster by default, this can be overwritten at runtime
+EXPOSE 80
+CMD ["./bin/thrust", "./bin/rails", "server"]

config/deploy.yml

@@ -19,7 +19,7 @@ proxy:
   ssl: true
   host: daisy-on-rails.adrienpoly.com
   # kamal-proxy connects to your container over port 80, use `app_port` to specify a different port.
-  app_port: 3000
+  app_port: 80
 
 # Credentials for your image host.
 registry: