---
name: fitness
services:

  fitness:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: fitness
    image: fitness:latest
    restart: always    
    network_mode: bridge
    ports:
      - "8069:8069"
      - "5000:5000"
    volumes:
      # make sure to keep the database file
      - "./database:/opt/Fitness/db_file"

    
...