Include max-age=0

Signed-off-by: Dominik Henneke <dominik.henneke@sda-se.com>

plugins/app-backend/src/service/router.test.ts

@@ -73,7 +73,7 @@ describe('createRouter', () => {
     'returns %s with no-store Cache-Control header',
     async file => {
       const response = await request(app).get(file);
-      expect(response.header['cache-control']).toBe('no-store');
+      expect(response.header['cache-control']).toBe('no-store, max-age=0');
     },
   );
 

plugins/app-backend/src/service/router.ts

@@ -103,7 +103,7 @@ export async function createRouter(
         // staticFallbackHandler is configured.
         // use `as any` since express uses mime v1 while we only have types for mime v2
         if ((express.static.mime as any).lookup(path) === 'text/html') {
-          res.setHeader('Cache-Control', 'no-store');
+          res.setHeader('Cache-Control', 'no-store, max-age=0');
         }
       },
     }),
@@ -114,7 +114,7 @@ export async function createRouter(
         // The Cache-Control header instructs the browser to not cache the index.html since it might
         // link to static assets from recently deployed versions. This is a workaround when no
         // staticFallbackHandler is configured.
-        'cache-control': 'no-store',
+        'cache-control': 'no-store, max-age=0',
       },
     });
   });