How can the problem of Error R10 be resolved when deploying a Docker image to Heroku?

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Error R10 on Heroku means that the web dyno is crashing or failing to start within 60 seconds. Here are some steps that could help resolve the issue:

1. Check the logs: Use the Heroku CLI to access the logs and look for any error messages that could explain why the dyno is crashing.

2. Check the Procfile: Make sure the Procfile is properly configured and that it includes the command to run the web server.

3. Check the port: Ensure that the web server is listening on the correct port that matches the one specified in the Procfile.

4. Check the Dockerfile: Ensure that the Dockerfile is properly configured to include all the necessary dependencies and configurations required to run the application.

5. Ensure the app is listening on all interfaces: Some web frameworks only bind to localhost by default. Change the binding to all interfaces using 0.0.0.0 and process.env.PORT in the application code.

6. Check the Heroku plan: Ensure that the app has enough resources allocated to it based on its usage.

7. Check the Docker image: Ensure that the Docker image is uploaded to Heroku Container Registry with the correct tag name.

8. Rebuild and redeploy: Try rebuilding and redeploying the Docker image to see if the issue is resolved.

If none of the above solutions fix the issue, consider contacting Heroku support for further assistance.