Gekko multiple instances

docker-compose.yml

server:
  restart: always
  build: ./
  volumes:
    - ./volumes/gekko/history:/usr/src/app/history
    - ./config.js:/usr/src/app/config.js
  links:
    - redis
  environment:
   - HOST
   - PORT
  ports:
    - "${PORT}:${PORT}"

server2:
  restart: always
  image: gekko_server  # optionally, you can still do "build: ./", but it makes more sense to just reuse
  volumes:
    - ./volumes/gekko/history:/usr/src/app/history
    - ./config.js:/usr/src/app/config.js
  links:
    - redis
  environment:
   - HOST
   - PORT
  ports:
    - "${PORT}:${PORT}"

redis:
  image: redis:latest
  volumes:
    - ./volumes/redis:/data