Truffle Ruby - Rails Dockerfile

Dockerfile

# truffleruby 22.3.1, like ruby 3.0.3, GraalVM CE Native
FROM ghcr.io/graalvm/truffleruby:22.3.1

WORKDIR /app

# Install updates and tools required for builds
RUN yum update -y && yum install -y gcc-c++ patch readline readline-devel zlib \
        zlib-devel libyaml libxml2 xz libffi-devel openssl-devel make bzip2 \
        autoconf automake libtool nodejs tzdata libffi libicu-devel git \
        postgresql-devel bash wget && yum clean all
# Install Yarn
RUN npm install -g yarn

COPY . .

RUN gem install bundler

# If this times out a lot, build and then bundle before run
# CMD ["bash", "-c", "bundle install && rails server -b 0.0.0.0"]
# Not the best solution
RUN bundle install --verbose

# Newer Ruby syntax with one line functions will not work with this Dockerfile

EXPOSE 3000
# Expose the following two ports below for debugging with ruby debug IDE.
EXPOSE 1234
EXPOSE 26162

CMD ["rails", "server", "-b", "0.0.0.0"]