# Make sure RUBY_VERSION matches the Ruby version in .ruby-version ARG RUBY_VERSION=<%= Gem.ruby_version %> FROM ghcr.io/rails/devcontainer/images/ruby:$RUBY_VERSION

# Ensure binding is always 0.0.0.0 # Binds the server to all IP addresses of the container, so it can be accessed from outside the container. ENV BINDING=“0.0.0.0”