version: "3"

services:
  mybunker:
    image: bunkerity/bunkerweb:1.4.3
    ports:
      - 80:8080
      - 443:8443
    # ⚠️ read this if you use local folders for volumes ⚠️
    # bunkerweb runs as an unprivileged user with UID/GID 101
    # don't forget to edit the permissions of the files and folders accordingly
    # example if you need to create a directory : mkdir folder && chown root:101 folder && chmod 770 folder
    # another example for existing folder : chown -R root:101 folder && chmod -R 770 folder
    # more info at https://docs.bunkerweb.io
    volumes:
      - bw_data:/data # contains upstreams definition at http context
    environment:
      - SERVER_NAME=www.example.com # replace with your domain
      - SERVE_FILES=no
      - DISABLE_DEFAULT_SERVER=yes
      - AUTO_LETS_ENCRYPT=yes
      - USE_CLIENT_CACHE=yes
      - USE_GZIP=yes
      - USE_REVERSE_PROXY=yes
      - REVERSE_PROXY_URL=/
      - REVERSE_PROXY_HOST=http://app
      - |
        CUSTOM_CONF_HTTP_upstream.conf=
        upstream app {
          server app1:80;
          server app2:80;
          server app3:80;
        }

  app1:
    image: tutum/hello-world

  app2:
    image: tutum/hello-world

  app3:
    image: tutum/hello-world

volumes:
  bw_data: