Merge branch 'devel' into staging

backend/backend.yaml

@@ -17,6 +17,7 @@ spec:
             containers:
                 - name: backend
                   image: yoshiunfriendly/backend-hideyoshi.com
+                  imagePullPolicy: "Always"
                   ports:
                       - containerPort: 8070
                   env:

frontend/frontend.yaml

@@ -18,6 +18,7 @@ spec:
             containers:
                 - name: frontend
                   image: yoshiunfriendly/frontend-hideyoshi.com:latest
+                  imagePullPolicy: "Always"
                   limits:
                   ports:
                       - containerPort: 5000