scripts/ci/docker-compose/backend-postgres.yml

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---
services:
  airflow:
    environment:
      - BACKEND=postgres
      - AIRFLOW__DATABASE__SQL_ALCHEMY_CONN=postgresql+${POSTGRES_DRIVER:-psycopg}://postgres:airflow@postgres/airflow
      - AIRFLOW__CELERY__RESULT_BACKEND=db+postgresql+${POSTGRES_DRIVER:-psycopg}://postgres:airflow@postgres/airflow
    depends_on:
      postgres:
        condition: service_healthy

  postgres:
    labels:
      org.apache.airflow.breeze: "true"
      org.apache.airflow.breeze.worktree: "${BREEZE_WORKTREE_PATH:-}"
      org.apache.airflow.breeze.host: "${BREEZE_HOST_ID:-}"
    image: postgres:${POSTGRES_VERSION}
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=airflow
      - POSTGRES_DB=airflow
      - POSTGRES_HOST_AUTH_METHOD=password
    volumes:
      - postgres-data-volume:${POSTGRES_DATA_VOLUME_PATH:-/var/lib/postgresql/data}
    healthcheck:
      test: ["CMD", "psql", "-h", "localhost", "-U", "postgres", "-c", "select 1", "airflow"]
      interval: 10s
      timeout: 10s
      start_period: 30s
      start_interval: 1s
      retries: 5
    restart: "on-failure"
volumes:
  postgres-data-volume:
    labels:
      org.apache.airflow.breeze: "true"
      org.apache.airflow.breeze.worktree: "${BREEZE_WORKTREE_PATH:-}"
      org.apache.airflow.breeze.host: "${BREEZE_HOST_ID:-}"
    name: "${COMPOSE_PROJECT_NAME}-postgres${POSTGRES_VERSION}-db-volume"