Update container to support random uid on openshift clusters (regression)

[chrisjsimpson]

Is your feature request related to a problem? Please describe.

The latest OBP-API container will not run on Openshift clusters which have random user id's (per project) enabled (which is the default). This is already a solved issue by adapting the container entrypoint but was never merged into upstream.

Example failure mode: jetty fails to start on Openshift clusters with the current Docker image , and forked image (index.docker.io/tawoe/obp-api):

WARNING: User is 1012560000
         The user should be (re)set to 'jetty' in the Dockerfile
********************************************************************
/generate-jetty-start.sh: 10: cannot create /var/lib/jetty/jetty.start: Permission denied
jetty dry run failed:

https://github.com/chrisjsimpson/obp-kubernetes/blob/openshiftcompatibility/entrypoint.sh#L1-L13

Describe the solution you'd like

Update the official container, and adapt the container entrypoint just like here but was never merged into upstream.

Describe alternatives you've considered

Additional context

• This about how changing the entrypoint might affect vanilla k8s clusters
• Related Ensure OBP-API deployment runs on OpenShift OpenBankProject/OBP-Kubernetes#6