diff --git a/ansible/roles/nginx/files/etc/nginx/sites-available/default b/ansible/roles/nginx/files/etc/nginx/sites-available/default
deleted file mode 100644
index c5af914..0000000
--- a/ansible/roles/nginx/files/etc/nginx/sites-available/default
+++ /dev/null
@@ -1,91 +0,0 @@
-##
-# You should look at the following URL's in order to grasp a solid understanding
-# of Nginx configuration files in order to fully unleash the power of Nginx.
-# https://www.nginx.com/resources/wiki/start/
-# https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/
-# https://wiki.debian.org/Nginx/DirectoryStructure
-#
-# In most cases, administrators will remove this file from sites-enabled/ and
-# leave it as reference inside of sites-available where it will continue to be
-# updated by the nginx packaging team.
-#
-# This file will automatically load configuration files provided by other
-# applications, such as Drupal or Wordpress. These applications will be made
-# available underneath a path with that package name, such as /drupal8.
-#
-# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
-##
-
-# Default server configuration
-#
-server {
-	listen 80 default_server;
-	listen [::]:80 default_server;
-
-	# SSL configuration
-	#
-	# listen 443 ssl default_server;
-	# listen [::]:443 ssl default_server;
-	#
-	# Note: You should disable gzip for SSL traffic.
-	# See: https://bugs.debian.org/773332
-	#
-	# Read up on ssl_ciphers to ensure a secure configuration.
-	# See: https://bugs.debian.org/765782
-	#
-	# Self signed certs generated by the ssl-cert package
-	# Don't use them in a production server!
-	#
-	# include snippets/snakeoil.conf;
-
-	root /var/www/html;
-
-	# Add index.php to the list if you are using PHP
-	index index.html index.htm index.nginx-debian.html;
-
-	server_name _;
-
-	location / {
-		# First attempt to serve request as file, then
-		# as directory, then fall back to displaying a 404.
-		try_files $uri $uri/ =404;
-	}
-
-	# pass PHP scripts to FastCGI server
-	#
-	#location ~ \.php$ {
-	#	include snippets/fastcgi-php.conf;
-	#
-	#	# With php-fpm (or other unix sockets):
-	#	fastcgi_pass unix:/run/php/php7.4-fpm.sock;
-	#	# With php-cgi (or other tcp sockets):
-	#	fastcgi_pass 127.0.0.1:9000;
-	#}
-
-	# deny access to .htaccess files, if Apache's document root
-	# concurs with nginx's one
-	#
-	#location ~ /\.ht {
-	#	deny all;
-	#}
-}
-
-
-# Virtual Host configuration for example.com
-#
-# You can move that to a different file under sites-available/ and symlink that
-# to sites-enabled/ to enable it.
-#
-#server {
-#	listen 80;
-#	listen [::]:80;
-#
-#	server_name example.com;
-#
-#	root /var/www/example.com;
-#	index index.html;
-#
-#	location / {
-#		try_files $uri $uri/ =404;
-#	}
-#}
diff --git a/ansible/roles/nginx/files/etc/nginx/sites-enabled/isupipe.conf b/ansible/roles/nginx/files/etc/nginx/sites-enabled/isupipe.conf
new file mode 100644
index 0000000..9c412e3
--- /dev/null
+++ b/ansible/roles/nginx/files/etc/nginx/sites-enabled/isupipe.conf
@@ -0,0 +1,48 @@
+server {
+  listen 80 default_server;
+  server_name _;
+  index index.html index.htm index.nginx-debian.html;
+  root /var/www/html;
+  location / {
+    try_files $uri $uri/ =404;
+  }
+}
+
+server {
+  listen 443 ssl default_server;
+  server_name _;
+  index index.html index.htm index.nginx-debian.html;
+  root /var/www/html;
+
+  # bot避けのためのvhostで、この証明書は有効期限がきれています
+  ssl_certificate     /etc/nginx/tls/_.t.isucon.dev.crt;
+  ssl_certificate_key /etc/nginx/tls/_.t.isucon.dev.key;
+  ssl_protocols TLSv1.3;
+  ssl_prefer_server_ciphers off;
+
+  location / {
+    try_files $uri $uri/ =404;
+  }
+}
+
+server {
+  listen 443 ssl;
+  server_name u.isucon.dev;
+  server_name *.u.isucon.dev;
+
+  ssl_certificate     /etc/nginx/tls/_.u.isucon.dev.crt;
+  ssl_certificate_key /etc/nginx/tls/_.u.isucon.dev.key;
+
+  ssl_protocols TLSv1.3;
+  ssl_prefer_server_ciphers off;
+
+  client_max_body_size 10m;
+  root /home/isucon/webapp/public/;
+  location / {
+    try_files $uri /index.html;
+  }
+  location /api {
+    proxy_set_header Host $host;
+    proxy_pass http://localhost:8080;
+  }
+}
\ No newline at end of file
diff --git a/ansible/roles/nginx/tasks/deploy.yaml b/ansible/roles/nginx/tasks/deploy.yaml
index 911a101..aec6a33 100644
--- a/ansible/roles/nginx/tasks/deploy.yaml
+++ b/ansible/roles/nginx/tasks/deploy.yaml
@@ -9,7 +9,7 @@
   notify: restart_nginx
   with_items:
     - etc/nginx/nginx.conf
-    - etc/nginx/sites-available/default
+    - etc/nginx/sites-enabled/isupipe.conf
 - name: Change access.log permission
   become: true
   file: