diff --git a/README.md b/README.md
index 7ab1978..6ab1b31 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,8 @@ nginx-certbot
 
 ## docker compose
 ```yml
+version: "3.5"
+
 services:
   nginx:
     build: .
@@ -48,4 +50,21 @@ docker exec -it nginx bash
 
 # reload nginx
 nginx -s reload
+```
+
+## acme-challenge.conf
+
+`acme-challenge.conf` 을 conf.d 에 포함
+
+```
+server {
+    listen 80;
+    listen [::]:80;
+    server_name your.domain;
+
+    location ~ /.well-known/acme-challenge {
+        allow all;
+        root /var/www/html;
+    }
+}
 ```
\ No newline at end of file
diff --git a/acme-challenge.conf b/acme-challenge.conf
deleted file mode 100644
index d7d35eb..0000000
--- a/acme-challenge.conf
+++ /dev/null
@@ -1,10 +0,0 @@
-server {
-    listen 8080;
-    listen [::]:8080;
-    server_name ydev.me;
-
-    location ~ /.well-known/acme-challenge {
-        allow all;
-        root /var/www/html;
-    }
-}
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
index cf89625..617079d 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,9 +1,5 @@
 #!/bin/bash
 
-# copy acme-chanllenge
-echo "copy acme-challenge"
-cp /home/acme-challenge.conf /etc/nginx/conf.d/acme-challenge.conf
-
 # add crontab entry to renew the letsencrypt certificate
 echo "adding crontab"
 echo "0 23 * * * certbot renew --dry-run" | crontab -