Common Logging/Audit​ for A1 Policy Management Service:

• We need to create a configuration file, start using MDCs and look over where we store our logs. The biggest job is with the MDCs. Links to examples of how to use MDC with the reactive framework:

            https://www.novatec-gmbh.de/en/blog/how-can-the-mdc-context-be-used-in-the-reactive-spring-applications/,

            https://medium.com/@grigorryev/project-reactor-mdc-logging-1047d235ff6e​

            https://wiki.onap.org/pages/viewpage.action?pageId=71831691

            https://www.novatec-gmbh.de/en/blog/how-can-the-mdc-context-be-used-in-the-reactive-spring-applications/

• Make sure we use STDOUT for logs collection so that logs can be collected by Kubernetes in STDOUT (from non-functional requirements list).