ARG NAME=app
ARG UID=1000
ARG GID=1000
ARG APP_PORT=3000
ARG INSTALL_DIR=/${NAME}
ARG RUBY_VERSION=3.3.4
FROM ruby:${RUBY_VERSION} AS development

ARG NAME
ARG UID
ARG GID
ARG APP_PORT
ARG INSTALL_DIR

LABEL maintainer='david@hohl.cloud'

WORKDIR ${INSTALL_DIR}

ENV GEM_HOME=${INSTALL_DIR}/.bundle

ENV \
  LANG=C.UTF-8 \
  INSTALL_DIR=${INSTALL_DIR} \
  RAILS_ENV=development \
  TZ=Europe/Zurich \
  PATH=${INSTALL_DIR}/bin:$GEM_HOME/bin:$GEM_HOME/gems/bin:$PATH \
  EDITOR=vim

RUN \
  ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
  echo $TZ > /etc/timezone && \
  addgroup --gid ${GID} ${NAME} && \
  adduser \
    --gecos GECOS \
    --home /home/${NAME} \
    --uid ${UID} \
    --gid ${GID} \
    --disabled-password \
    --disabled-login \
    --shell /bin/bash \
    ${NAME} && \
  apt-get update && \
  apt-get install -yqq --no-install-recommends \
    gnupg2 \
    curl && \
  curl -sS 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 -yqq && \
  apt-get install -yqq --no-install-recommends \
    sqlite3 nodejs npm sassc yarn libvips && \
  apt-get clean && \
  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
  truncate -s 0 /var/log/*log && \
  gem update --system && \
  bundle config set app_config ${GEM_HOME}

FROM development AS builder

COPY Gemfile Gemfile.lock package.json yarn.lock ./

RUN bundle install && yarn install

FROM builder AS assets

COPY . .

COPY --from=builder /app/.bundle /app/.bundle
COPY --from=builder /app/node_modules /app/node_modules

RUN RAILS_ENV=production SECRET_KEY_BASE_DUMMY=1 rails assets:precompile

FROM ruby:${RUBY_VERSION}-slim AS production

ARG NAME
ARG UID
ARG GID
ARG APP_PORT
ARG INSTALL_DIR

WORKDIR ${INSTALL_DIR}

ENV \
  LANG=C.UTF-8 \
  INSTALL_DIR=${INSTALL_DIR} \
  RAILS_ENV=production \
  TZ=Europe/Zurich \
  PATH=${INSTALL_DIR}/bin:$GEM_HOME/bin:$GEM_HOME/gems/bin:$PATH

ENV GEM_HOME=${INSTALL_DIR}/.bundle

RUN \
  ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
  echo $TZ > /etc/timezone && \
  addgroup --gid ${GID} ${NAME} && \
  adduser \
    --gecos GECOS \
    --home /home/${NAME} \
    --uid ${UID} \
    --gid ${GID} \
    --disabled-password \
    --disabled-login \
    --shell /bin/bash \
    ${NAME} && \
  apt-get update -yqq && \
  apt-get install -yqq --no-install-recommends \
    sqlite3 libvips && \
  apt-get clean && \
  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* && \
  truncate -s 0 /var/log/*log && \
  gem update --system && \
  bundle config set app_config ${GEM_HOME}

EXPOSE 3000

ENTRYPOINT [ "bin/entrypoint" ]

COPY . .

COPY --from=builder /app/.bundle /app/.bundle
COPY --from=assets /app/public/assets /app/public/assets

RUN chown -R app:app /app/tmp /app/log /app/storage

USER app
# Using variables in command list is not possible:
# https://stackoverflow.com/questions/40454470/how-can-i-use-a-variable-inside-a-dockerfile-cmd
CMD [ "rails", "server", "--binding", "0.0.0.0", "--no-daemon", "--port" , "3000" ]