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wrestlingdev.com/deploy/rails-dev-Dockerfile

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FROM ruby:4.0.1
# Accept build arguments for user/group IDs
ARG USER_ID=1000
ARG GROUP_ID=1000
RUN apt-get -qq update --fix-missing \
&& apt-get -qq install -y \
build-essential \
sqlite3 \
nodejs \
sudo \
&& apt-get -qq clean \
&& rm -rf \
/var/lib/apt/lists/* \
/tmp/* \
/var/tmp/*
# Set timezone inside the container
RUN echo "America/New_York" > /etc/timezone \
&& rm /etc/localtime \
&& ln -s /usr/share/zoneinfo/America/New_York /etc/localtime
# Install gems as root first
RUN gem install bundler
RUN gem update --system
# Add Gemfile before creating user (still as root)
ADD Gemfile* /tmp/
WORKDIR /tmp
# Create a non-root user with the provided user/group IDs
# Use existing group if GID already exists
RUN if grep -q ":${GROUP_ID}:" /etc/group; then \
GROUP_NAME=$(getent group ${GROUP_ID} | cut -d: -f1); \
else \
GROUP_NAME=devuser; \
groupadd -g $GROUP_ID $GROUP_NAME; \
fi && \
useradd -u $USER_ID -g $GROUP_ID -m -s /bin/bash devuser \
&& echo "devuser ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/devuser \
&& chmod 0440 /etc/sudoers.d/devuser
# Now that user exists, set up permissions
RUN echo 'gem: --no-rdoc --no-ri' > /home/devuser/.gemrc \
&& mkdir -p /home/devuser/.bundle \
&& chown -R ${USER_ID}:${GROUP_ID} /home/devuser /tmp/Gemfile* \
&& chmod -R 777 /usr/local/bundle
# Switch to the non-root user for all subsequent commands
USER devuser
# Pre-install gems from Gemfile
WORKDIR /tmp
RUN bundle config set --local without 'production' && \
bundle install --jobs 4
# Create the rails directory with correct ownership
RUN sudo mkdir -p /rails && sudo chown ${USER_ID}:${GROUP_ID} /rails
WORKDIR /rails
# Add helper script to initialize the project
RUN echo '#!/bin/bash\n\
if [ ! -f "bin/rails" ]; then\n\
echo "Setting up Rails binstubs..."\n\
bundle binstubs --all\n\
echo "Rails setup complete. You can now use bin/rails."\n\
else\n\
echo "Rails binstubs already exist."\n\
fi\n\
exec "$@"\n\
' > /home/devuser/init_rails.sh \
&& chmod +x /home/devuser/init_rails.sh
VOLUME ["/rails"]
EXPOSE 3000
ENV SOLID_QUEUE_IN_PUMA=true
# Use the init script as entrypoint
ENTRYPOINT ["/home/devuser/init_rails.sh"]
CMD ["/bin/bash"]