Merge branch 'master' into release-1.4.5

.docker/dist.tar.gz

.docker/docker-compose.yml

.docs/api/auth-service.md

dbrepo-broker-service/rabbitmq.conf

...rvice/src/main/java/at/tuwien/endpoints/UserEndpoint.java

.../test/java/at/tuwien/gateway/KeycloakGatewayUnitTest.java

.../tuwien/service/AuthenticationServiceIntegrationTest.java

.../src/test/java/at/tuwien/service/UserServiceUnitTest.java

...ices/src/main/java/at/tuwien/gateway/KeycloakGateway.java

...main/java/at/tuwien/gateway/impl/KeycloakGatewayImpl.java

...rc/main/java/at/tuwien/service/AuthenticationService.java

...ava/at/tuwien/service/impl/AuthenticationServiceImpl.java

docker-compose.yml

helm/dbrepo/values.yaml