diff --git a/docker/frontend/default.conf.template b/docker/frontend/default.conf.template
index 7b97efb..b708f1d 100644
--- a/docker/frontend/default.conf.template
+++ b/docker/frontend/default.conf.template
@@ -1,5 +1,5 @@
 server {
-    listen 80 default_server;
+    listen ${FRONTEND_PORT} default_server;
 
     root /usr/share/nginx/html;
 
@@ -10,7 +10,7 @@ server {
     }
 
     location /api {
-        proxy_pass http://ykonsole_backend:8080;
+        proxy_pass http://${BACKEND_HOST}:9301;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';
diff --git a/webui-react/src/actions/runtime.ts b/webui-react/src/actions/runtime.ts
index 42de737..ff3734e 100644
--- a/webui-react/src/actions/runtime.ts
+++ b/webui-react/src/actions/runtime.ts
@@ -5,7 +5,7 @@ interface RuntimeRepository {
 export default function runtimeRepo(): RuntimeRepository {
   switch (import.meta.env.VITE_MODE) {
     case "webapp":
-      const port = window.location.port !== "5173" ? window.location.port : "8080";
+      const port = window.location.port !== "5173" ? window.location.port : "9301";
       return makeRuntimeRepo(`${window.location.hostname}:${port}`);
     case "chrome-plugin":
       return makeRuntimeRepo("127.0.0.1:9999");
diff --git a/ykonsole-ktor/src/main/kotlin/net/aiterp/git/ykonsole2/application/Server.kt b/ykonsole-ktor/src/main/kotlin/net/aiterp/git/ykonsole2/application/Server.kt
index 3875ee0..d5f9d2b 100644
--- a/ykonsole-ktor/src/main/kotlin/net/aiterp/git/ykonsole2/application/Server.kt
+++ b/ykonsole-ktor/src/main/kotlin/net/aiterp/git/ykonsole2/application/Server.kt
@@ -26,7 +26,7 @@ fun createServer(
   workoutStateRepo: WorkoutStateRepository,
   commandBus: CommandBus,
   eventBus: EventBus,
-) = embeddedServer(Netty, port = 8080) {
+) = embeddedServer(Netty, port = 9301) {
   val log = YKonsoleServer.log
 
   log.info("Starting YKonsole server...")