1Docker Logs
If you run your Node app in detached mode (-d), you can't see the 'console.log' outputs or crash errors. To view them, you use 'docker logs <container_id>'. Add the '-f' flag to 'follow' the logs live as they happen.
Learn about Logs in Detached Mode in this comprehensive Node.js development tutorial. Seeing the output.
UNLOCK NODES BY LEARNING NEW TAGS.
If you run your Node app in detached mode (-d), you can't see the 'console.log' outputs or crash errors. To view them, you use 'docker logs <container_id>'. Add the '-f' flag to 'follow' the logs live as they happen.

Pascual Vila
Frontend Instructor // Code Syllabus
Running instance.
// Container contextHost Port : Container Port.
// Port Mapping context