If you already have an account, goto Create Worker
Visit Cloudflare Website, Click Sign Up, Register an Account
After Sign Up or Login, Click Workers & Pages → OverView → Create Worker
Then Click Deploy
Then Click Edit Code
Copy Code From main.js or main_kv.js and Paste It
If it's First Deploy and Has no Device in Database, Modify isAllowNewDevice to true in order to allow Registeration
Then Click Save
Click Workers & Pages → D1 or KV → Create
Fill a name and Click Save
Click Workers & Pages → OverView → The Worker You Just Created
Then Click Settings → Variables
Click D1 Database Bindings or KV Namesapce Bindings Base on D1 or KV Version
Then Click Edit Variables → Add Binding
Select the Namespace and Name it as database
Then Click Save
Caution
The name MUST be database, Otherwise, Worker will throw exception
If you are using KV Version, goto Register
After Modify isAllowQueryNums to ture, Send Request on path /info
If you see Response includes devices: 0, the Deploy is Succeed
Now you can use Bark APP to add the Server, or you can use curl or browser to test the server















