Local development

To test your Dispatch Worker, user Worker and Outbound Worker before deploying to production, you can use Wrangler for development and testing.

​​ 1. Create a user worker

When following the interactive prompts, answer the questions as below:

• Select no to using TypeScript.
• Select no to deploying your application.

Update the src/index.js file for customer-worker-1:

Update the wrangler.toml file for customer-worker-1 and add the dispatch namespace:

​​ 2. Create a dispatch worker

When following the interactive prompts, answer the questions as below:

• Select no to using TypeScript.
• Select no to deploying your application.

Update the src/index.js file for dispatch-worker:

Update the wrangler.toml file for dispatch-worker and add the dispatch namespace binding:

​​ 3. Create an Outbound Worker

When following the interactive prompts, answer the questions as below:

• Select no to using TypeScript.
• Select no to deploying your application.

Update the src/index.js file for outbound-worker:

​​ 4. Start local dev session for your Workers

In separate terminals, start a local dev session for each of your Workers.

For your dispatcher Worker:

For your outbound Worker:

And for your user Worker:

​​ 5. Test your requests

Send a request to your dispatcher Worker: