diff --git a/docker-compose.yml b/docker-compose.yml
index 3956805..db064cb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,6 +8,6 @@ services:
     env_file: .env
     environment:
       HOSTNAME: "0.0.0.0"
-      PORT: "8080"
+      PORT: "${PORT:-8080}"
     ports:
-      - '127.0.0.1:18080:8080'
+      - '127.0.0.1:${PORT:-8080}:${PORT:-8080}'