.gitpod.Dockerfile

# This Dockerfile defines a virtual machine for gitpod.io
# so that you can  use this Electric Book template project
# in your browser (i.e. an online development environment).
# See https://www.gitpod.io/docs/config-docker

FROM gitpod/workspace-ruby-2

# Need to be root to apt install
USER root

# Main dependency installation
RUN sudo apt-get update && apt-get install -y \
  software-properties-common \
  make \
  gcc \
  build-essential \
  git \
  wget \
  libgif7 \
  libpixman-1-0 \
  libffi-dev \
  libreadline-dev \
  zlib1g-dev \
  graphicsmagick

# Dependencies specifically for Puppeteer on unix
RUN sudo apt-get install -y \
  libasound2 \
  libatk1.0-0 \
  libatk-bridge2.0-0 \
  libcairo2 \
  libdrm2 \
  libgbm1 \
  libnss3 \
  libpango-1.0-0 \
  libxkbcommon-x11-0 \
  libxcomposite1 \
  libxdamage1 \
  libxfixes3 \
  libxrandr2

# # Clear apt cache to make image smaller
RUN sudo apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/*

# Add node source for new nodejs, instead of old Ubuntu-installed node.
# https://github.com/nodesource/distributions/wiki/How-to-migrate-to-the-new-repository

# Update local package index
RUN sudo apt-get update
# Install necessary packages for downloading and verifying new repository information
RUN sudo apt-get install -y ca-certificates curl gnupg
# Create a directory for the new repository's keyring, if it doesn't exist
RUN sudo mkdir -p /etc/apt/keyrings
# Download the new repository's GPG key and save it in the keyring directory
RUN curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
# Add the new repository's source list with its GPG key for package verification
# Note: `node_20` means Node version 20. Update in future as needed.
RUN echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_20.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
# Update local package index to recognize the new repository
RUN sudo apt-get update
# Install Node.js from the new repository
RUN sudo apt-get install -y nodejs

# Install PrinceXML for printing to PDF
RUN wget https://www.princexml.com/download/prince_11.4-1_ubuntu18.04_amd64.deb && \
  dpkg -i prince_11.4-1_ubuntu18.04_amd64.deb

# Install pandoc for document conversion
RUN wget https://github.com/jgm/pandoc/releases/download/2.5/pandoc-2.5-1-amd64.deb && \
  dpkg -i pandoc-2.5-1-amd64.deb

# Update npm
RUN npm install -g npm@latest

# Install Gulp cli app
RUN npm install --global gulp-cli

# Switch to the gitpod user
USER gitpod

# Let gitpod own the NPM cache dir
RUN sudo chown -R 33333:33333 "$HOME/.npm"

# Set paths for Ruby gems
RUN echo '# Define Ruby Gems path' >> ~/.bashrc
RUN echo 'export GEM_HOME="$HOME/.rvm/gems/ruby-2.7.6"' >> ~/.bashrc
RUN echo 'export PATH="$HOME/.rvm/gems/ruby-2.7.6:$PATH"' >> ~/.bashrc
RUN bash -lc "source ~/.bashrc"

# Install gems.
# Note we do this here, not in a gitpod `init` task
# because changes to files outside /workspace,
# like gem installs, are lost in prebuilds, which
# only save the /workspace. We could also try installing
# these dependencies in a `before` task, but that would
# run twice, potentially making builds slower.
# (https://www.gitpod.io/docs/configure/projects/prebuilds#workspace-directory-only)
COPY Gemfile .
RUN bash -lc "bundle install"