diff --git a/src/config/env.validation.ts b/src/config/env.validation.ts
index 6fea147..470f3a0 100644
--- a/src/config/env.validation.ts
+++ b/src/config/env.validation.ts
@@ -20,7 +20,7 @@ export const envSchema = z.object({
   PORT: z.coerce.number().default(3000),
 
   // Database
-  DATABASE_URL: z.string().url(),
+  DATABASE_URL: z.string(), // Removed .url() to allow Docker internal hostnames and avoid encoding issues during validation
 
   // JWT
   JWT_SECRET: z.string().min(32),