feat: make swagger-ui image configurable

This allows to customize swagger in the same way
as other components. Useful for example when
deploying on OpenShift where the default image
cannot run due to security constraints.

Author: sgaist

helm-chart/renku/templates/swagger.yaml

@@ -19,7 +19,7 @@ spec:
     spec:
       containers:
         - name: swagger
-          image: swaggerapi/swagger-ui
+          image: "{{ .Values.swagger.image.repository }}:{{ .Values.swagger.image.tag }}"
           env:
             - name: BASE_URL
               value: /swagger

helm-chart/renku/values.yaml

@@ -1449,6 +1449,9 @@ core:
 ## Configuration for the Swagger-UI available at <renku-domain>/swagger
 swagger:
   enabled: true
+  image:
+    repository: swaggerapi/swagger-ui
+    tag: "latest"
 ## The image used in startup scripts to initialize different postgress databases
 initDb:
   image: