diff --git a/src/frontend/apps/impress/src/core/service-worker/conf.ts b/src/frontend/apps/impress/src/core/service-worker/conf.ts
new file mode 100644
index 00000000..de6b240f
--- /dev/null
+++ b/src/frontend/apps/impress/src/core/service-worker/conf.ts
@@ -0,0 +1,5 @@
+export const SW_DEV_URL = [
+  'http://localhost:3000',
+  'https://impress.127.0.0.1.nip.io',
+  'https://impress-staging.beta.numerique.gouv.fr',
+];
diff --git a/src/frontend/apps/impress/src/core/service-worker/service-worker.ts b/src/frontend/apps/impress/src/core/service-worker/service-worker.ts
index b661d776..a806726a 100644
--- a/src/frontend/apps/impress/src/core/service-worker/service-worker.ts
+++ b/src/frontend/apps/impress/src/core/service-worker/service-worker.ts
@@ -19,6 +19,7 @@ import {
 
 // eslint-disable-next-line import/order
 import { ApiPlugin } from './ApiPlugin';
+import { SW_DEV_URL } from './conf';
 import { isApiUrl } from './service-worker-api';
 
 // eslint-disable-next-line import/order
@@ -50,13 +51,7 @@ const getCacheNameVersion = (cacheName: string) =>
 const getStrategy = (
   options?: NetworkFirstOptions | StrategyOptions,
 ): NetworkFirst | CacheFirst => {
-  const devDomains = [
-    'http://localhost:3000',
-    'https://impress.127.0.0.1.nip.io',
-    'https://impress-staging.beta.numerique.gouv.fr',
-  ];
-
-  return devDomains.some((devDomain) =>
+  return SW_DEV_URL.some((devDomain) =>
     self.location.origin.includes(devDomain),
   )
     ? new NetworkFirst(options)