Nginx Proxy Manager implements cache acceleration of HTTP requests

Nginx Proxy Manager is a tool for managing Nginx proxy servers. By using it, you can achieve cache acceleration of HTTP requests. The following will introduce in detail how to use Nginx Proxy Manager to achieve cache acceleration and provide specific code examples.

1. Install and configure Nginx Proxy Manager

1. Install Nginx Proxy Manager:

   $ npm install -g @nginx-plus/nginx-proxy-manager

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2. Start Nginx Proxy Manager:

   $ nginx-proxy-manager start

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3. Enter the management interface of Nginx Proxy Manager:
   Open the browser and visit http://localhost:81 to enter the management interface of Nginx Proxy Manager.
4. Configure Nginx Proxy Manager:
   In the management interface, follow the prompts to perform the initial configuration of Nginx Proxy Manager, including setting up administrator accounts, managing domain names, etc.

2. Configure cache acceleration rules

1. In the management interface of Nginx Proxy Manager, select the domain name that needs cache acceleration and click "Create Rule" to create a new one rule.
2. In the "Location" field of the rule, fill in the URL that needs to be cached and accelerated.
3. In the "Proxy Type" field of the rule, select the "Cache" option.
4. In the "Cache Settings" field of the rule, you can set cache expiration time, cache size and other related parameters.
5. Click "Save" to save the rule configuration.

3. Configure the Nginx server of Nginx Proxy Manager

1. In the management interface of Nginx Proxy Manager, select "Proxy Hosts" and then click "Create Proxy Host" to create A new proxy server.
2. In the "Domain Names" field of the proxy server, fill in the domain name that requires cache acceleration.
3. In the "Upstream Servers" field of the proxy server, fill in the actual backend server address.
4. Click "Save" to save the proxy server configuration.

4. Test the cache acceleration effect

1. Use a browser or command line tool to send an HTTP request to the proxy server configured by Nginx Proxy Manager.
2. The first request will obtain data from the backend server and cache it on the Nginx server.
3. Sending the same request again will obtain the data directly from the cache of the Nginx server, greatly improving the request response speed.

Code example:

location /example {
  proxy_pass http://example.com;
  proxy_cache        cache_zone;
  proxy_cache_key    $host$uri$is_args$args;
  proxy_cache_valid  200 302 12h;
  proxy_cache_valid  404 1m;
  proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
}

The above code is an Nginx configuration example, in which the proxy_cache directive is used to enable the cache function, proxy_cache_key The directive is used to set the cache key, the proxy_cache_valid directive is used to set the validity time of the cache, and the proxy_cache_use_stale directive is used to set whether to use an expired cache when the backend server is unavailable.

Through the above configuration example, you can implement the cache acceleration function for HTTP requests on the /example path.

Summary:
This article introduces how to use Nginx Proxy Manager to implement cache acceleration of HTTP requests, and gives specific installation, configuration steps and code examples. Caching acceleration can improve the response speed of the website and reduce the pressure on the back-end server, which is of great significance for websites with high traffic volume.

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