smol_scriptz/alpine_dockerz/docker-compose.yml

---
version: "3"
services:
  alice:
    build: 
      context: .
      dockerfile: Dockerfile
      args:
        - "USER=alice"
        - "USER_PASSWORD=<CHANGEME>"
    ports:
      - "9001:22"

  bob:
    build: 
      context: .
      dockerfile: Dockerfile
      args:
        - "USER=bob"
        - "USER_PASSWORD=<CHANGEME>"
    ports:
      - "9002:22"

  chris:
    build: 
      context: .
      dockerfile: Dockerfile
      args:
        - "USER=chris"
        - "USER_PASSWORD=<CHANGEME>"
    ports:
      - "9003:22"