docker-compose.yml

#-  Docker Compose file

#-  docker-compose.yml ~~
#                                                       ~~ (c) SRW, 18 Apr 2018
#                                                   ~~ last updated 20 Apr 2018

version: "3"

services:

  db:
    image: postgres:9.5
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: pass
    networks:
      - webnet
    deploy:
      placement:
        constraints: [node.role == manager]

  web:
    image: qmachine/qm-ruby-turnkey:latest
    deploy:
      replicas: 2
      restart_policy:
        condition: on-failure
      resources:
        limits:
          cpus: "0.1"
          memory: 50M
  # The "ports" definition dictates what port the app will load in from my
  # laptop's native browser.
    ports:
      - "80:8177"
    networks:
      - webnet
    environment:
    # It turns out that the hostname, "db", is taken from the name of the
    # Postgres service, so if you change that, you must change the URL below.
      DATABASE_URL: "postgres://user:pass@db:5432/user"
      PORT: 8177
      WEB_CONCURRENCY: 1
    depends_on:
      - db

# This part is just pasted in from the tutorial because it definitely helps me
# figure out what is going on while debugging :-)
  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8080:8080"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints: [node.role == manager]
    networks:
      - webnet

networks:
  webnet:


#-  vim:set syntax=yaml: