main.yml

name: myworkflow

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:11
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: ""
          POSTGRES_DB: postgres
        ports:
        - 5432/tcp
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5