Merge branch 'okosse' into 'master'

Temporary fix "Insecure Firebase Database Exploit"

Closes #128

See merge request !484

devops/gc/deploy/templates/opa-virtual-service.yaml

-apiVersion: networking.istio.io/v1alpha3
-kind: VirtualService
-metadata:
-  name: "{{ .Values.opa.conf.appName }}"
-  namespace: "{{ .Release.Namespace }}"
-spec:
-  hosts:
-    {{- if and .Values.global.domain .Values.global.onPremEnabled }}
-    - {{ printf "osdu.%s" .Values.global.domain | quote }}
-    {{- else if .Values.global.domain }}
-    - {{ .Values.global.domain | quote }}
-    {{- else }}
-    - "*"
-    {{- end }}
-  gateways:
-    - service-gateway
-  http:
-    - match:
-        - uri:
-            prefix: "/v1/policies"
-        - uri:
-            prefix: "/v1/compile"
-        - uri:
-            prefix: "/v1/data"
-        - uri:
-            prefix: "/health"
-        - uri:
-            prefix: "/v1/config"
-        - uri:
-            prefix: "/v1/status"
-      route:
-        - destination:
-            host: "{{ .Values.opa.conf.appName }}.{{ .Release.Namespace }}.svc.cluster.local"
-            port:
-              number: 80