Support .npmrc when getting dynamic plugins

Signed-off-by: David Festal <[email protected]>

charts/backstage/values.yaml

@@ -59,12 +59,20 @@ upstream:
           defaultMode: 420
           name: dynamic-plugins
           optional: true
+      - name: dynamic-plugins-npmrc
+        secret:
+          defaultMode: 420
+          optional: true
+          secretName: dynamic-plugins-npmrc
     initContainers:
       - command:
           - python
           - install-dynamic-plugins.py
           - /dynamic-plugins-root
         image: quay.io/janus-idp/backstage-showcase:next
+        env:
+          - name: NPM_CONFIG_USERCONFIG
+            value: /opt/app-root/src/.npmrc.dynamic-plugins
         imagePullPolicy: Always
         name: install-dynamic-plugins
         volumeMounts:
@@ -74,6 +82,10 @@ upstream:
             name: dynamic-plugins
             readOnly: true
             subPath: dynamic-plugins.yaml
+          - mountPath: /opt/app-root/src/.npmrc.dynamic-plugins
+            name: dynamic-plugins-npmrc
+            readOnly: true
+            subPath: .npmrc
         workingDir: /opt/app-root/src
     installDir: /opt/app-root/src
     podAnnotations: