add JWT secret reference

kustomize/app/deployment.yaml

@@ -22,12 +22,18 @@ spec:
             - name: sinatra-web
               containerPort: 4567
           env:
-            - name: SESSION_SECRET
+            - name: KUBERNAUT_SESSION_SECRET
               valueFrom:
                 secretKeyRef:
-                  name: kubernaut-session-secret
+                  name: kubernaut
                   key: session_secret
                   optional: true
+            - name: KUBERNAUT_JWT_SECRET
+              valueFrom:
+                secretKeyRef:
+                  name: kubernaut
+                  key: jwt_secret
+                  optional: true
           envFrom:
             - configMapRef:
                 name: kubernaut-configmap

lib/config.rb

@@ -12,7 +12,7 @@ class Config
     @prefix = prefix
     @cat = cat
 
-    session_secret ||= ENV.fetch "SESSION_SECRET" do
+    session_secret ||= fetch_env "SESSION_SECRET" do
       SecureRandom.hex SESSION_SECRET_HEX_LENGTH
     end