---
version: "3.8"

x-airflow-common:
  &airflow-common
    build: ./airflow_img
    volumes:
      - ./state/airflow-data:/home/airflow/airflow
      - ./state/dbt-data/logs:/dbt/logs
      - ./state/dbt-data/target:/dbt/target
      - ./dags:/home/airflow/airflow/dags
      - ./data:/home/airflow/gcs/data:ro
      - ./etl/src:/etl:ro
      - ./dbt:/dbt
    environment:
      AIRFLOW__CORE__LOAD_EXAMPLES: 'false'

services:

  airflow-init:
    <<: *airflow-common
    restart: "no"
    entrypoint: /usr/local/bin/airflow-init.sh

  airflow-scheduler:
    <<: *airflow-common
    command: scheduler
    restart: "unless-stopped"
    depends_on:
      airflow-init:
        condition: service_completed_successfully

  airflow-webserver:
    <<: *airflow-common
    command: webserver
    restart: "unless-stopped"
    ports:
      - 8080:8080
    depends_on:
      airflow-init:
        condition: service_completed_successfully

  postgres:
    image: postgres:15.3-alpine
    restart: "unless-stopped"
    volumes:
      - ./state/postgres/data:/var/lib/postgresql/data
    environment:
      - "POSTGRES_PASSWORD=postgres"
      - "POSTGRES_USER=postgres"

  terraform:
    image: hashicorp/terraform
    entrypoint: /usr/local/bin/terraform-entrypoint.sh
    restart: "no"
    working_dir: /terraform
    volumes:
      - ./scripts/terraform-entrypoint.sh:/usr/local/bin/terraform-entrypoint.sh:ro
      - ./terraform:/terraform
      - ./state/tfstate:/terraform/tfstate
    depends_on:
      airflow-webserver:
        condition: service_started
      postgres:
        condition: service_started
    environment:
      - "TF_VAR_pg_host=postgres"
      - "TF_VAR_pg_port=5432"
      - "TF_VAR_pg_password=postgres"
      - "TF_VAR_pg_username=postgres"

  notebook:
    image: jupyter/scipy-notebook
    restart: "unless-stopped"
    ports:
      - 8888:8888
    volumes:
      - ./notebooks:/home/jovyan/work
      - ./data:/home/jovyan/data:ro