Description of problem:

When the user imports an application from a Dockerfile which uses another port then 8080, and exports that via the EXPOSE, this value is ignored.

When import such an application with the `oc` command the dockerfile is respected. See:

oc new-app https://github.com/jerolimov/docker --context-dir nodeinfo-3000 --dry-run --output json

DeploymentConfig => (pod) template => spec => containerPort: 3000
Service => spec => ports => 3000

Version-Release number of selected component (if applicable):

4.6

How reproducible:

Always

Steps to Reproduce:

1. Switch to developer perspective
2. Navigate to Add > Import from Dockerfile
3. Enter a git repo which uses a Dockerfile and don't use the default port 8080, for example:
Git repo: https://github.com/jerolimov/docker
Context dir: /nodeinfo-3000
4. Check "Route" > "Target port"
5. Create the deployment

Actual results:

The Service and Route for the deployment uses the default port 8080.

Expected results:

The Service and Route for the deployment uses the exposed port from the Dockerfile.

Additional info: