chore(dev): update devcontainer configuration

To tackle the problem that nginx cannot connect to server due to ip change

.devcontainer/docker-compose.yml

@@ -73,7 +73,6 @@ services:
     image: nginx:alpine
     restart: unless-stopped
     ports:
-      - "80:80"
       - "8080:80"
     volumes:
       - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro

.devcontainer/nginx.conf

@@ -1,14 +1,18 @@
+resolver 127.0.0.11 valid=10s ipv6=off;
+
 map $http_upgrade $connection_upgrade {
     default upgrade;
     ''      close;
 }
 
 upstream app {
-    server devcontainer:8000;
+    zone app_backend 64k;
+    server devcontainer:8000 resolve;
 }
 
 upstream spectator {
-    server devcontainer:8086;
+    zone app_backend 64k;
+    server devcontainer:8086 resolve;
 }
 
 server {