diff --git a/.env.example b/.env.example
index 184961b..bff1e7b 100644
--- a/.env.example
+++ b/.env.example
@@ -19,3 +19,6 @@ DATABASE_URL=
 
 # Admin account details
 ADMIN_PASSWORD="password"
+
+# Container Port
+PORT=1234
diff --git a/docker-compose.yml b/docker-compose.yml
index f165f4e..39176b0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
       context: .
     restart: always
     ports:
-      - "1234:3000"
+      - "${PORT}:3000"
     environment:
       - NEXTAUTH_SECRET
       - NEXTAUTH_URL