Revert "update"

This reverts commit 28d5697b37.

docker/nginx/conf.d/langbot.conf.template

@@ -1,6 +1,5 @@
 # Configuration for langbot.lefeng.school subdomain
 
-# HTTP server for langbot.lefeng.school
 server {
     listen ${NGINX_PORT};
     server_name langbot.${NGINX_SERVER_NAME};
@@ -11,33 +10,21 @@ server {
         return 200 'KiDk4c0uzgf4zc8l';
     }
 
-    # ACME challenge location
+    # Main langbot service
-    ${ACME_CHALLENGE_LOCATION}
-
-    # Serve langbot on HTTP temporarily for certificate generation
     location / {
         proxy_pass http://host.docker.internal:5300;
         include proxy.conf;
     }
 
+    # Callback endpoint
     location /callback {
         proxy_pass http://host.docker.internal:2290;
         include proxy.conf;
     }
-}
-
-# HTTPS server (will be added after certificate is obtained)
-server {
-    ${HTTPS_CONFIG}
-    server_name langbot.${NGINX_SERVER_NAME};
 
-    location / {
+    # placeholder for acme challenge location
-        proxy_pass http://host.docker.internal:5300;
+    ${ACME_CHALLENGE_LOCATION}
-        include proxy.conf;
-    }
 
-    location /callback {
+    # placeholder for https config defined in https.conf.template
-        proxy_pass http://host.docker.internal:2290;
+    ${HTTPS_CONFIG}
-        include proxy.conf;
-    }
 }