dev.Dockerfile

# syntax = docker/dockerfile:1

# 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
ARG RUBY_VERSION=3.3.6
ARG DISTRO_NAME=bookworm

FROM ruby:$RUBY_VERSION-slim-$DISTRO_NAME AS base

ARG DISTRO_NAME

# Rails app lives here
WORKDIR /rails

# Install base packages
RUN apt-get update -qq && \
    apt-get install --no-install-recommends -y curl libjemalloc2 libvips gnupg2 less build-essential git pkg-config jq vim mkcert libnss3-tools && \
    rm -rf /var/lib/apt/lists /var/cache/apt/archives

# Install PostgreSQL dependencies
ARG PG_MAJOR
RUN curl -sSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | \
    gpg --dearmor -o /usr/share/keyrings/postgres-archive-keyring.gpg \
    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/postgres-archive-keyring.gpg] https://apt.postgresql.org/pub/repos/apt/" \
    $DISTRO_NAME-pgdg main $PG_MAJOR | tee /etc/apt/sources.list.d/postgres.list > /dev/null
RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
  --mount=type=cache,target=/var/lib/apt,sharing=locked \
  --mount=type=tmpfs,target=/var/log \
  apt-get update -qq && DEBIAN_FRONTEND=noninteractive apt-get -yq dist-upgrade && \
  DEBIAN_FRONTEND=noninteractive apt-get install -yq --no-install-recommends \
    libpq-dev \
    postgresql-client-$PG_MAJOR

# Set dev environment
ENV RAILS_ENV="development" \
    BUNDLE_DEPLOYMENT="1" \
    BUNDLE_PATH="/usr/local/bundle" \
    BUNDLE_JOBS=4 \
    BUNDLE_RETRY=3

# Copy application code
COPY . .
RUN bundle install