CircleCI config for rails + postgis

config.yml

version: 2
jobs:
  build:
    parallelism: 1
    working_directory: ~/yourapp
    environment:
      DATABASE_URL: postgis://postgres@localhost/yourapp_test
    docker:
      - image: circleci/ruby:2.4-node-browsers
        env:
          RAILS_ENV: test
          PGHOST: 127.0.0.1
          PGUSER: postgres
      - image: mdillon/postgis:9.6
        env:
          POSTGRES_USER: postgres
          POSTGRES_DB: yourapp_test
          POSTGRES_PASSWORD:
    steps:
      - checkout
      - restore_cache:
          key: yourapp-{{ checksum "Gemfile.lock" }}
      - run: bundle install --path vendor/bundle
      - save_cache:
          key: yourapp-{{ checksum "Gemfile.lock" }}
          paths:
            - vendor/bundle
      - run: dockerize -wait tcp://localhost:5432 -timeout 1m
      - run: sudo apt install postgresql-client
      - run: bin/rails db:structure:load --trace
      - run: bundle exec rake test