Dockerfile for hasura rails postgres

Dockerfile

FROM ruby:2.6.6-alpine

RUN apk add --update build-base postgresql-dev tzdata nodejs
RUN apk add yarn

RUN gem install bundler

ENV APP_HOME /app
RUN mkdir $APP_HOME
WORKDIR $APP_HOME

COPY Gemfile Gemfile.lock package.json yarn.lock $APP_HOME/

RUN bundle install
RUN yarn install --check-files

COPY . $APP_HOME