Test Rgon-Proxy + Filesync

docker-compose.yml

version: '2'

services:
  nginx:
    image: "nginx"
    tty: true
    stdin_open: true
    ports:
      - 80:80/tcp
      - 443:443/tcp
    volumes:
      - /home/core/rp-filesync/storage/htpasswd:/etc/nginx/htpasswd:ro
      - /home/core/rp-filesync/storage/conf:/etc/nginx/conf.d:ro
      - /home/core/rp-filesync/storage/vhost:/etc/nginx/vhost.d:ro
      - /home/core/rp-filesync/storage/certs:/etc/nginx/certs:ro
    labels:
      io.rancher.scheduler.global: 'true'  # true for multi-host
      rgon-proxy: nginx
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "5"
  rgon-proxy:
    image: "causticlab/rgon-proxy:dev"  # :latest for production
    tty: true
    stdin_open: true
    links:
      - nginx
    ports:
      - 402:402/tcp
    volumes:
      - /home/core/rp-filesync/storage/rancher-gen:/etc/rancher-gen
      - /home/core/rp-filesync/storage/htpasswd:/etc/nginx/htpasswd:rw
      - /home/core/rp-filesync/storage/conf:/etc/nginx/conf.d:rw
      - /home/core/rp-filesync/storage/vhost:/etc/nginx/vhost.d:rw
      - /home/core/rp-filesync/storage/certs:/etc/nginx/certs:rw
    links:
      - nginx
    labels:
      io.rancher.scheduler.global: 'false'
      io.rancher.container.create_agent: 'true'
      io.rancher.container.agent.role: 'environment'
      io.rancher.scheduler.affinity:host_label: rgon.primary=true
      rgon-proxy: rancher-gen
      rgon-acme: 'true'
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "5"
    environment:
      RGEN_CONFIG_ONETIME: '/etc/rancher-gen/default/rancher-gen-onetime.cfg'
      ACME_EMAIL: emcniece+rptest1@gmail.com
      ACME_API: https://acme-staging.api.letsencrypt.org/directory
      ACME_AGREE_TOS: true
  fs-server:
    image: "causticlab/filesync"
    tty: true
    stdin_open: true
    labels:
      io.rancher.scheduler.affinity:host_label: rgon.primary=true
    volumes:
       - /home/core/rp-filesync/storage:/share
    environment:
      FILESYNC_MODE: 'server'
  fs-client:
    image: "causticlab/filesync"
    tty: true
    stdin_open: true
    volumes:
      - /home/core/rp-filesync/storage:/share
    links:
      - fs-server
    labels:
      io.rancher.scheduler.global: 'true'
      io.rancher.scheduler.affinity:host_label_ne: rgon.primary=true
    environment:
      FILESYNC_MODE: 'client'
      FILESYNC_IP: 'fs-server'

Updated: removed sidekicks, now all volumes must be specified on all containers. Relies on the local filesystem of each host, and the Filesync server/clients transfer config and certificates between hosts.