diff --git a/deploy/nginx-taxbaik-domains.conf b/deploy/nginx-taxbaik-domains.conf
index 12215db..65124b0 100644
--- a/deploy/nginx-taxbaik-domains.conf
+++ b/deploy/nginx-taxbaik-domains.conf
@@ -1,6 +1,5 @@
 # 1. TaxBaik 홈페이지 (taxbaik.com, www.taxbaik.com)
 server {
-    listen 80;
     server_name taxbaik.com www.taxbaik.com;
     client_max_body_size 512M;
 
@@ -29,11 +28,18 @@ server {
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_read_timeout 120s;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
+
 }
 
 # 2. Gitea (gitea.taxbaik.com)
 server {
-    listen 80;
     server_name gitea.taxbaik.com;
     client_max_body_size 512M;
 
@@ -48,11 +54,17 @@ server {
         proxy_connect_timeout 300;
         proxy_send_timeout 300;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
 }
 
 # 3. QuantEngine (quant.taxbaik.com)
 server {
-    listen 80;
     server_name quant.taxbaik.com;
 
     location / {
@@ -66,4 +78,55 @@ server {
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
     }
+
+    listen 443 ssl; # managed by Certbot
+    ssl_certificate /etc/letsencrypt/live/taxbaik.com/fullchain.pem; # managed by Certbot
+    ssl_certificate_key /etc/letsencrypt/live/taxbaik.com/privkey.pem; # managed by Certbot
+    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
+
+}
+
+server {
+    if ($host = www.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    if ($host = taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name taxbaik.com www.taxbaik.com;
+    return 404; # managed by Certbot
+
+
+
+
+}
+server {
+    if ($host = gitea.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name gitea.taxbaik.com;
+    return 404; # managed by Certbot
+
+
+}
+server {
+    if ($host = quant.taxbaik.com) {
+        return 301 https://$host$request_uri;
+    } # managed by Certbot
+
+
+    listen 80;
+    server_name quant.taxbaik.com;
+    return 404; # managed by Certbot
+
+
 }