diff --git a/app/utils/env.server.ts b/app/utils/env.server.ts
index 6ed4907..fc5745e 100644
--- a/app/utils/env.server.ts
+++ b/app/utils/env.server.ts
@@ -6,6 +6,7 @@ export type DbEngine = typeof supportedDbEngines[number];
 
 const envVariables = z.object({
   NODE_ENV: z.enum(['production', 'development', 'test']).optional(),
+  SHLINK_DASHBOARD_PORT: z.number().optional().default(3005),
 
   // Database connection options
   SHLINK_DASHBOARD_DB_DRIVER: z.enum(supportedDbEngines).optional(),
diff --git a/server.ts b/server.ts
index 86530b9..23e6881 100644
--- a/server.ts
+++ b/server.ts
@@ -1,10 +1,9 @@
 import { createRequestHandler } from '@remix-run/express';
 import express from 'express';
 import { serverContainer } from './app/container/container.server';
+import { env, isProd } from './app/utils/env.server';
 
-const { NODE_ENV, SHLINK_DASHBOARD_PORT = '3005' } = process.env;
-
-const viteDevServer = NODE_ENV === 'production'
+const viteDevServer = isProd()
   ? null
   : await import('vite').then(
     (vite) =>
@@ -30,6 +29,6 @@ app.use(serverContainer.emForkMiddleware);
 app.all('*', createRequestHandler({ build }));
 
 app.listen(
-  Number(SHLINK_DASHBOARD_PORT),
-  () => console.log(`App listening on http://localhost:${SHLINK_DASHBOARD_PORT}`),
+  env.SHLINK_DASHBOARD_PORT,
+  () => console.log(`App listening on http://localhost:${env.SHLINK_DASHBOARD_PORT}`),
 );