diff --git a/backend/src/config/configuration.ts b/backend/src/config/configuration.ts
index 397523d..07bb2e1 100644
--- a/backend/src/config/configuration.ts
+++ b/backend/src/config/configuration.ts
@@ -2,10 +2,10 @@
 export default () => ({
   port: parseInt(process.env.BLOG_PORT!, 10) || 3000,
   database: {
-    host: process.env.POSTGRES_HOST,
+    host: process.env.POSTGRES_HOST || 'postgres',
     port: parseInt(process.env.POSTGRES_PORT!, 10) || 5432,
-    name: process.env.BLOG_DB_NAME,
-    user: process.env.BLOG_DB_USER,
+    name: process.env.BLOG_DB_NAME || 'blog',
+    user: process.env.BLOG_DB_USER || 'blog',
     password: process.env.BLOG_DB_PASSWORD
   }
 });