error.json

{
  "name": "xBrowserSync_api",
  "hostname": "7d8549e34a6b",
  "pid": 1,
  "level": 50,
  "req": null,
  "err": {
    "message": "Authentication failed.",
    "name": "MongoError",
    "stack": "MongoError: Authentication failed.\n    at MessageStream.messageHandler (/usr/src/api/node_modules/mongodb/lib/cmap/connection.js:268:20)\n    at MessageStream.emit (events.js:315:20)\n    at processIncomingData (/usr/src/api/node_modules/mongodb/lib/cmap/message_stream.js:144:12)\n    at MessageStream._write (/usr/src/api/node_modules/mongodb/lib/cmap/message_stream.js:42:5)\n    at writeOrBuffer (internal/streams/writable.js:358:12)\n    at MessageStream.Writable.write (internal/streams/writable.js:303:10)\n    at Socket.ondata (internal/streams/readable.js:719:22)\n    at Socket.emit (events.js:315:20)\n    at addChunk (internal/streams/readable.js:309:12)\n    at readableAddChunk (internal/streams/readable.js:284:9)\n    at Socket.Readable.push (internal/streams/readable.js:223:10)\n    at TCP.onStreamRead (internal/stream_base_commons.js:188:23)",
    "code": 18
  },
  "msg": "Unable to connect to database",
  "time": "2021-05-16T04:28:08.200Z",
  "v": 0
}

settings.json

{
    "db": {
        "host": "mongodb_mongodb",
        "name": "xbrowsersync",
        "username": "xbs",
        "password": "<password>"
    },
    "maxSyncs": 1,
    "maxSyncSize": 10240000,
    "status": {
        "allowNewSyncs": true,
        "message": "Derpaholic xBrowserSync."
    }
}

xbs-api-stack.yml

version: "3.8"
services:
  api:
    image: "xbrowsersync/api:1.1.13"
    volumes:
      - xbs_data:/usr/src/api/
    ports:
      - 8082:8080
    deploy:
      labels:
        - "traefik.enable=true"
        - "traefik.http.routers.xbs.entrypoints=http"
        - "traefik.http.middlewares.xbs-https-redirect.redirectscheme.scheme=https"
        - "traefik.http.routers.xbs.middlewares=xbs-https-redirect"
        - "traefik.http.routers.xbs-secure.entrypoints=https"
        - "traefik.http.routers.xbs-secure.tls=true"
        - "traefik.http.routers.xbs-secure.service=xbs"
        - "traefik.docker.network=proxy"
        - "traefik.http.routers.xbs.rule=Host(`xbs.in.derpaholic.com`)"
        - "traefik.http.routers.xbs-secure.rule=Host(`xbs.in.derpaholic.com`)"
        - "traefik.http.services.xbs.loadbalancer.server.port=8080"
      placement:
         constraints:
           - node.labels.xbs.settings==true
    networks:
      - proxy
    healthcheck:
      test: [ "CMD", "node", "/usr/src/api/healthcheck.js" ]
      interval: "1m"
      timeout: "10s"
      retries: 5
      start_period: "30s"
volumes:
  xbs_data:
networks:
  proxy:
    external: true