This example starts an ExpressJS server containing a post request to emit a message on Slack.

• Express
• TypeScript
• Slack webhook route

• Create a Slack app with an incoming webhook.
• Click the deploy button and add the SLACK_WEBHOOK_URL.
• Install dependencies yarn
• Connect to your Railway project railway link
• Start the development server railway run yarn dev

The server started simply returns Hello from the webhook! :rocket:. You can consume whatever information you'd like from your custom webhook, parse it and send it to Slack accordingly.

You can read the documentation for formatting your messages here.