Dockerfile

# Make sure it matches the Ruby version in .ruby-version and Gemfile
ARG RUBY_VERSION=3.0.5
FROM ruby:$RUBY_VERSION


# Install libvips for Active Storage preview support
RUN apt-get update -qq && \
   apt-get install -y build-essential libvips && \
   apt-get clean && \
   rm -rf /var/lib/apt/lists/* /usr/share/doc /usr/share/man


# Rails app lives here
WORKDIR /app


# Set production environment
ENV RAILS_LOG_TO_STDOUT="1" \
   RAILS_SERVE_STATIC_FILES="true"


# Install application gems
COPY Gemfile Gemfile.lock ./
RUN bundle install


# Copy application code
COPY . .


# Precompile bootsnap code for faster boot times
RUN bundle exec bootsnap precompile --gemfile app/ lib/
RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
RUN apt-get update -qq && apt-get install -y yarn


ARG UID=1000
ARG GID=1000


RUN bash -c "set -o pipefail && apt-get update \
 && apt-get install -y --no-install-recommends build-essential curl git libpq-dev \
 && curl -sSL https://deb.nodesource.com/setup_18.x | bash - \
 && curl -sSL https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
 && echo 'deb https://dl.yarnpkg.com/debian/ stable main' | tee /etc/apt/sources.list.d/yarn.list \
 && apt-get update && apt-get install -y --no-install-recommends nodejs yarn \
 && rm -rf /var/lib/apt/lists/* /usr/share/doc /usr/share/man \
 && apt-get clean \
 && groupadd -g \"${GID}\" ruby \
 && useradd --create-home --no-log-init -u \"${UID}\" -g \"${GID}\" ruby \
 && mkdir /node_modules && chown ruby:ruby -R /node_modules /app"


# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
RUN bundle exec rails assets:precompile
RUN bundle exec rails db:migrate
RUN bundle exec rails db:seed


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