diff --git a/conf/huiwings/tech.conf b/conf/huiwings/tech.conf
new file mode 100644
index 0000000..b10a025
--- /dev/null
+++ b/conf/huiwings/tech.conf
@@ -0,0 +1,35 @@
+server {
+#     https://serverfault.com/questions/798734/use-variable-for-server-name-in-nginx#
+#     server_name $servername;
+    server_name "tech.huiwings.cn";
+    listen 443 ssl;
+    client_max_body_size 10M;
+
+    set $resty_loc "/usr/local/openresty";
+
+    # disable in local test env
+    ssl_certificate /etc/letsencrypt/live/huiwings.cn/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/huiwings.cn/privkey.pem; # managed by Certbot
+
+    location / {
+        try_files $uri $uri/ /index.html;
+        proxy_set_header  Host "tech.huiwings.cn";
+        proxy_set_header  X-Real-IP $remote_addr;
+        # disable in local test env
+        proxy_set_header  X-Forwarded-Proto https;
+        proxy_set_header  X-Forwarded-For $remote_addr;
+        proxy_set_header  X-Forwarded-Host $remote_addr;
+    }
+
+    root $resty_loc/nginx/html/tech-blog;
+    index index.html;
+
+}
+
+server {
+  listen 80;
+  server_name "tech.huiwings.cn";
+  location / {
+    return 301 https://$host$request_uri;
+  }
+}
\ No newline at end of file