[Solved] Are there any specifications on what ports are there for back-end application?

Question

You can expose any port or set of ports using EXPOSE in Dockerfile.

EXPOSE 8080 3000 3001

Generally, the Node application uses default port as 3000. But you can change it with configurations.

Accepted Answer

You can expose any port or set of ports using EXPOSE in Dockerfile.

EXPOSE 8080 3000 3001

Generally, the Node application uses default port as 3000. But you can change it with configurations.