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Running the NextJS client in a web-browser

Prerequisite: deploy the backend before running the scripts in this dir.

This folder contains:

  • A simple NextJS client application, which retrieves the websocket-url from the environment;
  • scripts to run the NextJS application and send messages to the client;

Make sure to run the following in the right order:

  1. start a bash terminal in the nextjs folder and run ./run.sh
  2. open the application in a browser at (in some cases, it may run on a different port): http://localhost:3000
  3. in the client application, follow the instructions and connect to the webSocket;
  4. start a new bash terminal in the nextjs folder and run ./sendmessages.sh

Remarks

The script sendmessages.sh retrieves the connectionId from the random s3 bucket created for this demo. This value should be written to the s3 bucket in the connect lambda, when client-connection succeeds.

It then sends messages from sub-folder server-messages to the target endpoint, which should arrive at the client.