version: "3.8"

services:

  ### MongoDB (single-node replica set + oplog)
  mongo:
    image: mongo:6
    command: ["--replSet","rs0","--oplogSize","128"]
    volumes:
      - mongo_data:/data/db
    networks:
      - rocketchat-net
    healthcheck:
      test: ["CMD","mongosh","--quiet","--eval","db.adminCommand('ping').ok"]
      interval: 10s
      timeout: 5s
      retries: 10
    deploy:
      placement:
        constraints:
         - node.labels.platform == prod # İstersen kaldırabilirsin

  ### ReplSet init (tek seferlik)
  mongo-init-replica:
    image: mongo:6
    networks:
      - rocketchat-net
    command:
      - sh
      - -lc
      - |
        set -e
        echo "Waiting for Mongo to be ready..."
        until mongosh --host mongo:27017 --quiet --eval 'db.adminCommand({ ping: 1 }).ok' | grep -q 1; do
          sleep 2
        done
        echo "Checking replica set..."
        mongosh --host mongo:27017 --quiet --eval '
          try {
            if (rs.status().ok === 1) {
              print("Replica set already initiated.");
            } else { throw new Error("status not ok"); }
          } catch (e) {
            print("Initiating replica set...");
            rs.initiate({ _id: "rs0", members: [ { _id: 0, host: "mongo:27017" } ] });
          }
        '
        echo "Waiting for PRIMARY..."
        until mongosh --host mongo:27017 --quiet --eval 'db.isMaster().ismaster' | grep -q true; do
          sleep 2
        done
        echo "PRIMARY is ready."
    deploy:
      restart_policy:
        condition: on-failure
        delay: 5s
      placement:
        constraints:
          - node.labels.platform == prod

  ### Rocket.Chat
  rocketchat:
    image: registry.rocket.chat/rocketchat/rocket.chat:latest
    ports:
      - "3001:3000"
    environment:
      - PORT=3000
      - ROOT_URL=https://chat.emrekirman.xyz              # <- kendi domainini yaz
      - MONGO_URL=mongodb://mongo:27017/rocketchat?replicaSet=rs0
      - REDIS_URL=redis://:98836@redis:6379
      # İsteğe bağlı: Türkçe varsayılan dil
      - OVERWRITE_SETTING_Language=tr
    volumes:
      - uploads:/app/uploads
    networks:
      - traefik-public
      - redis_redis_net
      - rocketchat-net
    deploy:
      replicas: 1    # Traefik sticky cookie ile çoklayabiliyoruz
      update_config:
        order: start-first
        parallelism: 1
        delay: 5s
      restart_policy:
        condition: on-failure
      placement:
        constraints:
         - node.labels.platform == prod
      labels:
        - traefik.enable=true
        - traefik.docker.network=traefik-public
        - traefik.http.routers.rocketchat.rule=Host(`chat.emrekirman.xyz`)
        - traefik.http.routers.rocketchat.entrypoints=websecure
        - traefik.http.routers.rocketchat.tls.certresolver=myresolver
        - traefik.http.services.rocketchat.loadbalancer.server.port=3000
        - traefik.http.routers.rocketchat.service=rocketchat 

networks:
  traefik-public:
    external: true
  redis_redis_net:
    external: true
  rocketchat-net:
  
volumes:
  mongo_data:
  uploads: