Dockerfile.dev

# Use Ruby 3.x with Alpine as base image for smaller size
FROM ruby:4.0.1-alpine

# Set environment variables for Rails
ENV RAILS_ENV=development \
    RACK_ENV=development \
    BUNDLE_PATH=/usr/local/bundle \
    BUNDLE_JOBS=4 \
    BUNDLE_RETRY=3

# Install system dependencies and development tools
RUN apk add --no-cache \
    build-base \
    postgresql-dev \
    yaml-dev \
    git \
    tzdata \
    bash \
    nss \
    freetype \
    freetype-dev \
    harfbuzz \
    ca-certificates \
    ttf-freefont \
    chromium \
    chromium-chromedriver \
    libffi-dev

# Set Chrome environment variables
ENV CHROME_BIN=/usr/bin/chromium-browser \
    CHROME_PATH=/usr/lib/chromium/

# Create and set working directory
WORKDIR /app

# Install Ruby dependencies
COPY Gemfile Gemfile.lock ./
RUN bundle install

# Add bind mount point for code
VOLUME /app

# Port used by Rails server
EXPOSE 3000

# Configure entrypoint to run Rails
ENTRYPOINT ["./bin/docker-entrypoint.dev"]

# Start Rails server by default
CMD ["bundle", "exec", "rails", "server", "-b", "0.0.0.0"]