diff --git a/attached_assets/Pasted-HEAD-api-health-200-in-1ms-Error-updating-user-Error-ERR-MODULE-NOT-FOUND-Cannot-find-module-1754941254642_1754941254643.txt b/attached_assets/Pasted-HEAD-api-health-200-in-1ms-Error-updating-user-Error-ERR-MODULE-NOT-FOUND-Cannot-find-module-1754941254642_1754941254643.txt
new file mode 100644
index 0000000..5d9d1d3
--- /dev/null
+++ b/attached_assets/Pasted-HEAD-api-health-200-in-1ms-Error-updating-user-Error-ERR-MODULE-NOT-FOUND-Cannot-find-module-1754941254642_1754941254643.txt
@@ -0,0 +1,140 @@
+HEAD /api/health 200 in 1ms
+
+Error updating user: Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/app/dist/localAuth.production.js' imported from /app/dist/index.js
+
+    at finalizeResolution (node:internal/modules/esm/resolve:283:11)
+
+    at moduleResolve (node:internal/modules/esm/resolve:952:10)
+
+    at defaultResolve (node:internal/modules/esm/resolve:1188:11)
+
+    at ModuleLoader.defaultResolve (node:internal/modules/esm/loader:642:12)
+
+    at #cachedDefaultResolve (node:internal/modules/esm/loader:591:25)
+
+    at ModuleLoader.resolve (node:internal/modules/esm/loader:574:38)
+
+    at ModuleLoader.getModuleJobForImport (node:internal/modules/esm/loader:236:38)
+
+    at ModuleLoader.import (node:internal/modules/esm/loader:539:34)
+
+    at defaultImportModuleDynamicallyForModule (node:internal/modules/esm/utils:221:31)
+
+    at importModuleDynamicallyCallback (node:internal/modules/esm/utils:260:12) {
+
+  code: 'ERR_MODULE_NOT_FOUND',
+
+  url: 'file:///app/dist/localAuth.production.js'
+
+}
+
+PUT /api/users/admin_local 500 in 14ms
+
+HEAD /api/health 200 in 1ms
+
+Error assigning user to group: error: column "created_at" of relation "user_groups" does not exist
+
+    at /app/node_modules/pg-pool/index.js:45:11
+
+    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
+
+    at async file:///app/node_modules/drizzle-orm/node-postgres/session.js:83:22
+
+    at async DatabaseStorage.assignUserToGroup (file:///app/dist/index.js:1225:32)
+
+    at async file:///app/dist/index.js:3842:25 {
+
+  length: 134,
+
+  severity: 'ERROR',
+
+  code: '42703',
+
+  detail: undefined,
+
+  hint: undefined,
+
+  position: '51',
+
+  internalPosition: undefined,
+
+  internalQuery: undefined,
+
+  where: undefined,
+
+  schema: undefined,
+
+  table: undefined,
+
+  column: undefined,
+
+  dataType: undefined,
+
+  constraint: undefined,
+
+  file: 'parse_target.c',
+
+  line: '1075',
+
+  routine: 'checkInsertTargets'
+
+}
+
+POST /api/users/admin_local/groups 500 in 55ms
+
+Error assigning user to group: error: column "created_at" of relation "user_groups" does not exist
+
+    at /app/node_modules/pg-pool/index.js:45:11
+
+    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
+
+    at async file:///app/node_modules/drizzle-orm/node-postgres/session.js:83:22
+
+    at async DatabaseStorage.assignUserToGroup (file:///app/dist/index.js:1225:32)
+
+    at async file:///app/dist/index.js:3842:25 {
+
+  length: 134,
+
+  severity: 'ERROR',
+
+  code: '42703',
+
+  detail: undefined,
+
+  hint: undefined,
+
+  position: '51',
+
+  internalPosition: undefined,
+
+  internalQuery: undefined,
+
+  where: undefined,
+
+  schema: undefined,
+
+  table: undefined,
+
+  column: undefined,
+
+  dataType: undefined,
+
+  constraint: undefined,
+
+  file: 'parse_target.c',
+
+  line: '1075',
+
+  routine: 'checkInsertTargets'
+
+}
+
+POST /api/users/admin_local/groups 500 in 27ms
+
+HEAD /api/health 200 in 2ms
+
+
+      
+      
+    
\ No newline at end of file
diff --git a/attached_assets/image_1754941198941.png b/attached_assets/image_1754941198941.png
new file mode 100644
index 0000000..b70751a
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diff --git a/attached_assets/image_1754941240030.png b/attached_assets/image_1754941240030.png
new file mode 100644
index 0000000..526a840
Binary files /dev/null and b/attached_assets/image_1754941240030.png differ
diff --git a/server/routes.ts b/server/routes.ts
index e503579..b0025c2 100644
--- a/server/routes.ts
+++ b/server/routes.ts
@@ -6,6 +6,23 @@ import { requireModulePermission, requireAdmin } from "./permissions";
 
 console.log('🔍 Using development storage and authentication');
 
+// Function to get the correct hashPassword function based on environment
+async function getHashPassword() {
+  if (process.env.NODE_ENV === 'production') {
+    try {
+      const prodAuth = await import("./localAuth.production.js");
+      return prodAuth.hashPassword;
+    } catch (error) {
+      console.error('❌ Failed to import production auth, falling back to dev auth:', error);
+      const devAuth = await import("./localAuth");
+      return devAuth.hashPassword;
+    }
+  } else {
+    const devAuth = await import("./localAuth");
+    return devAuth.hashPassword;
+  }
+}
+
 
 // Alias pour compatibilité
 const isAuthenticated = requireAuth;
@@ -887,9 +904,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
       
       // Hash password if provided (for local auth)
       if (userData.password) {
-        // Import from the correct auth module based on environment
-        const authModule = process.env.NODE_ENV === 'production' ? "./localAuth.production.js" : "./localAuth";
-        const { hashPassword } = await import(authModule);
+        const hashPassword = await getHashPassword();
         userData.password = await hashPassword(userData.password);
       }
       
@@ -945,9 +960,7 @@ export async function registerRoutes(app: Express): Promise<Server> {
       
       // Hash password if provided
       if (userData.password) {
-        // Import from the correct auth module based on environment
-        const authModule = process.env.NODE_ENV === 'production' ? "./localAuth.production.js" : "./localAuth";
-        const { hashPassword } = await import(authModule);
+        const hashPassword = await getHashPassword();
         userData.password = await hashPassword(userData.password);
         // Mark password as changed
         (userData as any).passwordChanged = true;