rails-docker

README.md

create rails app

docker build -t rails docker/rails
docker run -v $PWD:/usr/src --rm rails rails new /usr/src/app

Dockerfile

FROM node:12.10-buster as nodejs
FROM ruby:2.6-buster

COPY --from=nodejs /opt/yarn-v1.17.3 /opt/yarn
COPY --from=nodejs /usr/local/bin/node /usr/local/bin/node

RUN ln -s /opt/yarn/bin/yarn /usr/local/bin/yarn \
    && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarnpkg

RUN gem install rails