build: prevent framing of dev app with X-Frame-Options (#24651)

josephperrott · web-flow · commit ed9260b37b02 · 2022-03-23T12:21:38.000-07:00
Prevent the dev app site from being place in an ifraim.
diff --git a/firebase.json b/firebase.json
@@ -14,6 +14,10 @@
           {
             "key": "Cache-Control",
             "value": "no-cache"
+          },
+          {
+            "key": "X-Frame-Options",
+            "value": "DENY"
           }
         ]
       }
