Firefox sync self hosted: docker-compose + traefik v2

docker-compose.yml

version: "3.3"

services:

  traefik:
    image: "traefik:v2.2"
    container_name: "traefik"
    command:
      - "--api.insecure=true"
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.web.address=:80"
      - "--entrypoints.websecure.address=:443"
      - "--certificatesresolvers.myresolver.acme.httpchallenge=true"
      - "--certificatesresolvers.myresolver.acme.httpchallenge.entrypoint=web"
      - "--certificatesresolvers.myresolver.acme.email=https@your.domain"
      - "--certificatesresolvers.myresolver.acme.storage=/letsencrypt/acme.json"
    labels:
      - "traefik.enable=true"
      - "traefik.http.middlewares.redirect-to-https.redirectscheme.scheme=https"
      - "traefik.http.routers.http-catchall.rule=hostregexp(`{host:.+}`)"
      - "traefik.http.routers.http-catchall.entrypoints=web"
      - "traefik.http.routers.http-catchall.middlewares=redirect-to-https"
    ports:
      - "80:80"
      - "443:443"
      - "8080:8080"
    volumes:
      - "./letsencrypt:/letsencrypt"
      - "/var/run/docker.sock:/var/run/docker.sock:ro"

  fsync:
    image: "mozilla/syncserver:latest"
    container_name: "fsync"
    volumes:
      - "./fsync-data:/tmp"
      - "/etc/localtime:/etc/localtime:ro"
    environment:
      - TZ=Europe/Berlin
      - SYNCSERVER_PUBLIC_URL=https://fsync.your.domain
      - SYNCSERVER_SECRET=YOUR_SECRET_HERE
      - SYNCSERVER_SQLURI=sqlite:////tmp/syncserver.db
      - SYNCSERVER_BATCH_UPLOAD_ENABLED=true
      - SYNCSERVER_FORCE_WSGI_ENVIRON=true
      - SYNCSERVER_ALLOW_NEW_USER=true
      - PORT=4500
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.fsync.rule=Host(`fsync.your.domain`)"
      - "traefik.http.routers.fsync.entrypoints=websecure"
      - "traefik.http.routers.fsync.tls.certresolver=myresolver"
      - "traefik.http.services.fsync.loadbalancer.server.port=4500"