ポート番号の修正

Author: mitty1293

README.md

@@ -1,19 +1,27 @@
 # return-http-status-code
 API to return HTTP status code
 ## Setup
+Clone the repository
 ```
 $ git clone https://github.com/mitty1293/return-http-status-code.git
+```
+Write the NGINX port to be accessed in the `return-http-status-code/.env` file.
+```
+NGINX_PORT=80
+```
+Start the container
+```
 $ docker-compose -f ./return-http-status-code/docker-compose.yml up -d
 ```
 ## Usage
 Enter any status code in `[http_status_code]` and access the following URL.
 ```
-http://host-ip:8004/[http_status_code]
+http://host-ip:[NGINX_PORT]/[http_status_code]
 ```
-If a status code that is not listed in the `flask/app/const.py` is specified, `404 Not Found` will be returned.
+If a status code that is not listed in the [class http.HTTPStatus](https://docs.python.org/3/library/http.html#http-status-codes) is specified, `404 Not Found` will be returned.
 ### Example
 ```Shell
-$ curl -I http://host-ip:8004/500
+$ curl -I http://host-ip:[NGINX_PORT]/500
 HTTP/1.1 500 INTERNAL SERVER ERROR
 Server: nginx/1.20.1
 Date: Tue, 13 Jul 2021 15:16:34 GMT