sync.json

{
    "adminInterface": "127.0.0.1:4986",
    "interface": "0.0.0.0:4985",
    "CORS": {
        "Origin": [
            "null",
            "http://localhost:4200"
        ],
        "LoginOrigin": [
            "*"
        ],
        "Headers": [
            "Content-Type"
        ],
        "MaxAge": 1728000
    },
    "logging": {
        "console": {
            "log_keys": [
                "*"
            ]
        }
    },
    "databases": {
        
        "main": {
            "server": "http://localhost:8091",
            "bucket": "main",
            "username": "admin",
            "password": "admin1",
            "enable_shared_bucket_access": true,
            "users": {
                "GUEST": {
                    "disabled": false,
                    "admin_channels": [
                        "*"
                    ]
                }
            },
            "sync":`function(doc) {
              channel(doc.channels);
            }`,
            "allow_conflicts": false,
            "import_docs": true,
            "num_index_replicas": 0,
            "revs_limit": 100
        }
    }
  }