# syntax=docker/dockerfile:1
# check=error=true

# This Dockerfile is designed for production, not development. Use with Kamal or build'n'run by hand:
# docker build -t armstrong_vision_api .
# docker run -d -p 80:80 -e RAILS_MASTER_KEY=<value from config/master.key> --name armstrong_vision_api armstrong_vision_api

# 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=3.4.1
ARG PACKAGES="curl libjemalloc2 libvips postgresql-client libyaml-dev libxml2-dev libxslt1-dev zlib1g-dev"
FROM docker.io/library/ruby:$RUBY_VERSION-slim AS base

# Rails app lives here
WORKDIR /api

# Install base packages
RUN apt-get update -qq && \
  apt-get install --no-install-recommends -y curl libjemalloc2 libvips postgresql-client libyaml-dev libxml2-dev libxslt1-dev zlib1g-dev && \
  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

# BUNDLE_DEPLOYMENT=1 («frozen») в base мешает записи lockfile, если резолвер
# подтянул патч транзитивной зависимости (например net-smtp). На install отключаем.
ENV BUNDLE_DEPLOYMENT=0

# Install packages needed to build gems
RUN apt-get update -qq && \
  apt-get install --no-install-recommends -y build-essential git libpq-dev pkg-config libyaml-dev libxml2-dev libxslt1-dev zlib1g-dev && \
  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/




# Final stage for app image
FROM base

# Copy built artifacts: gems, application
COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"
COPY --from=build /api /api

# Run and own only the runtime files as a non-root user for security
RUN groupadd --system --gid 1000 api && \
  useradd api --uid 1000 --gid 1000 --create-home --shell /bin/bash && \
  chown -R api:api db log storage tmp
USER 1000:1000

# Entrypoint prepares the database.
ENTRYPOINT ["/api/bin/docker-entrypoint"]

# Start server via Thruster by default, this can be overwritten at runtime
EXPOSE 3000
CMD ["./bin/thrust", "./bin/rails", "server", "-b", "0.0.0.0", "-p", "3000"]