docker-compose.yml

version: '3'

services:
  traefik:
    image: traefik:1.7.12-alpine
    command: --api --docker
    ports:
      - "80:80"
      - "8080:8080"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro

  node:
    build: ./
    image: node_image
    ports:
      - "4000:4000"
    volumes:
      - ./app:/home/node/app
      - node_modules:/home/node/app/node_modules
    labels:
      traefik.frontend.rule: "Host:node.local"

  node2:
    image: node_image
    depends_on:
      - node
    ports:
      - "4004:4000"
    volumes:
      - ./app:/home/node/app
      - node_modules:/home/node/app/node_modules
    labels:
      traefik.auth.frontend.rule: "Host:node2.local"
      traefik.frontend.headers.customResponseHeaders: "Access-Control-Allow-Origin:http://node.local||Access-Control-Allow-Method:GET,POST,PUT,PATCH,DELETE,OPTIONS||Access-Control-Allow-Credentials:true"
      traefik.frontend.headers.customRequestHeaders: "Access-Control-Allow-Origin:http://node.local||Access-Control-Allow-Credentials:true"
#      traefik.frontend.headers.customResponseHeaders: "Access-Control-Allow-Origin:*||Access-Control-Allow-Method:GET,POST,PUT,PATCH,DELETE,OPTIONS||Access-Control-Allow-Headers:apikey,authorization,content-type||Access-Control-Allow-Credentials:true"
#      traefik.frontend.headers.customRequestHeaders: "Access-Control-Allow-Origin:*"
#      traefik.frontend.whiteList.sourceRange: "127.0.0.1"
#      traefik.frontend.passHostHeader: true
#      traefik.frontend.whiteList.useXForwardedFor: "true"
#      traefik.frontend.auth.basic.removeHeader: "true"
      traefik.auth.frontend.auth.basic.users: "test:$$apr1$$PcLSHB5h$$p/35NmUIT/H7NP58XbvWt0"  # user: test, pwd: test
                                                                                          # note additional symbol "$" makes escaping.
#      traefik.noauth.frontend.rule: "Method:OPTIONS,Host:node2.local"
volumes:
  node_modules: