services:
  db:
    container_name: postgres_container
    image: postgres:15.15
    ports:
      - 5000:5432
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DB}
    volumes:
      - postgres_data:/var/lib/postgresql/data
    restart: unless-stopped

  git_sync:
    container_name: airflow_git_sync
    image: registry.k8s.io/git-sync/git-sync:v3.6.7
    environment:
      GIT_SYNC_REPO: ${GIT_REPO_URL}
      GIT_SYNC_BRANCH: main
      GIT_SYNC_ROOT: /git
      GIT_SYNC_DEST: repo
      GIT_SYNC_WAIT: 30
      GIT_SYNC_ONE_TIME: "false"
    volumes:
      - airflow_git:/git
    restart: unless-stopped

  airflow:
    container_name: airflow_container
    image: apache/airflow:3.1.3
    ports:
      - ${AIRFLOW_PORT}:8080
    environment:
      AIRFLOW__DATABASE__SQL_ALCHEMY_CONN: postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}

      AIRFLOW__WEBSERVER__DEFAULT_USER_USERNAME: ${AIRFLOW_ADMIN_USER}
      AIRFLOW__WEBSERVER__DEFAULT_USER_PASSWORD: ${AIRFLOW_ADMIN_PASSWORD}

      AIRFLOW__CORE__LOAD_EXAMPLES: "false"
      AIRFLOW__CORE__EXECUTOR: LocalExecutor
      AIRFLOW__WEBSERVER__EXPOSE_CONFIG: "true"

    depends_on:
      - db
      - git_sync

    # Mount ONLY the folder where your DAGs are inside the git repo
    volumes:
      - airflow_git:/opt/airflow/gitrepo
      - airflow_logs:/opt/airflow/logs
      - airflow_plugins:/opt/airflow/plugins

    # We symlink your DAG directory inside entrypoint
    command: >
      bash -c "
      airflow db migrate &&
      mkdir -p /opt/airflow/dags &&
      ln -s /opt/airflow/gitrepo/repo/airflow/airflow/dags/* /opt/airflow/dags/ &&
      airflow scheduler &
      exec airflow webserver
      "
    restart: unless-stopped

volumes:
  postgres_data:
  airflow_git:
  airflow_logs:
  airflow_plugins: