.gitpod.dockerfile
FROM gitpod/workspace-mysql
# Install Redis.
RUN sudo apt-get update \
&& sudo apt-get install -y \
redis-server \
&& sudo rm -rf /var/lib/apt/lists/
# Install Ruby version 2.7.3 and set it as default
RUN echo "rvm_gems_path=/home/gitpod/.rvm" > ~/.rvmrc
RUN bash -lc "rvm install ruby-2.7.3 && rvm use ruby-ruby-2.7.3 --default"
RUN echo "rvm_gems_path=/workspace/.rvm" > ~/.rvmrc