docker-compose.yml

services:
  reverse-proxy:
    build:
      context: ./nginx
    ports:
      - "5000:5000"
    depends_on:
      - frontend
      - airflow
    environment:
      - AIRFLOW=airflow
      - FRONTEND=frontend
      - INCLUDE_PORT=on

  frontend:
    build:
      context: ./frontend
    environment:
      # https://node-postgres.com/features/connecting#environment-variables
      - USER=postgres
      - PGHOST=user-db
    depends_on:
      - user-db

  user-db:
    image: postgres:16-alpine
    volumes:
      - user-db-data:/var/lib/postgresql/data
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust

  hadoop:
    build:
      dockerfile: hadoop.Dockerfile
    volumes:
      - hadoop-data:/home/hadoop/hadoopdata
    ports:
      - "8088:8088"
      - "9870:9870"

  airflow:
    build:
      dockerfile: airflow.Dockerfile
    volumes:
      - airflow-db-data:/var/lib/postgresql
    depends_on:
      user-db:
        condition: service_started
      hadoop:
        condition: service_healthy
    environment:
      - HADOOP_HOST=hadoop
      - SPARK_HOST=airflow    # Define the address under which spark is reachable externally

volumes:
  user-db-data:
    external: false
  hadoop-data:
    external: false
  airflow-db-data:
    external: false