docker-compose.yaml

services:
  postgres:
    image: 'postgres:${POSTGRES_VERSION}'
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password

  backup:
    build:
      context: '..'
      args:
        ALPINE_VERSION: '${ALPINE_VERSION}'
    environment:
      # test constants
      POSTGRES_HOST: postgres
      POSTGRES_DATABASE: postgres
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      S3_ACCESS_KEY_ID:
      S3_SECRET_ACCESS_KEY:
      S3_REGION:
      S3_BUCKET:

      # test variables
      PASSPHRASE:
      SCHEDULE:
      BACKUP_KEEP_DAYS:
      S3_PREFIX: