version: "3.7"

networks:
  spark:
    name: spark-network

services:
  algo-1:
    image: sagemaker-spark:latest
    # Spark does a reverse DNS lookup (IP address to hostname)
    # By default in docker-compose the hostname is identical to the container name
    container_name: algo-1
    hostname: algo-1
    networks:
      - spark
    volumes:
        - ./test/resources/config/multi_node/algo-1/:/opt/ml/config:ro
        - ./test/resources/code:/opt/ml/processing/input/code:ro
        - ./test/resources/data/files:/opt/ml/processing/input/data:ro
        - ./test/resources/data/conf:/opt/ml/processing/input/conf:ro
        - ${JARS_MOUNT:-/dev/null:/opt/ml/processing/input/jars}
    command: $CMD
  algo-2:
    image: sagemaker-spark:latest
    container_name: algo-2
    hostname: algo-2
    networks:
      - spark
    volumes:
        - ./test/resources/config/multi_node/algo-2/:/opt/ml/config:ro
        - ./test/resources/code:/opt/ml/processing/input/code:ro
        - ./test/resources/data/files:/opt/ml/processing/input/data:ro
        - ./test/resources/data/conf:/opt/ml/processing/input/conf:ro
        - ${JARS_MOUNT:-/dev/null:/opt/ml/processing/input/jars}
    command: $CMD