docker-compose.yml

version: "3.9"

services:
  gunicorn:
    container_name: gunicorn
    build: .
    image: masalim2/balsam
    restart: always
    ports:
      - ${SERVER_PORT}:${SERVER_PORT}
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_started
    # Vars in env_file are exported to the containers
    # Vars in ".env" specifically are also usable in the compose file as ${VAR}
    env_file: ".env"
    environment:
      SERVER_PORT: ${SERVER_PORT}
      BALSAM_LOG_DIR: ${BALSAM_LOG_DIR}
    volumes:
      - "${BALSAM_LOG_DIR}:/balsam/log"
      - "./balsam:/balsam/balsam:ro"
      - "./tests:/balsam/tests:ro"
      - "${PWD}/${GUNICORN_CONFIG_FILE}:/balsam/gunicorn.conf.py:ro" # Must be abs path

  postgres:
    container_name: postgres
    image: postgres
    restart: always
    ports:
      - 5432:5432
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: balsam
    volumes:
      - "pgdata:/var/lib/postgresql/data"
    command: "-c log_min_duration_statement=0"
    logging:
      options:
        max-size: "50m"
        max-file: "5"
      driver: "json-file"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 6

  redis:
    container_name: redis
    image: redis
    restart: always
    ports:
      - 6379:6379

volumes:
  pgdata: