Implementation of proxy_pass in nginx reverse proxy

The format is simple: proxy_pass URL;

The URL includes: transmission protocol (http://, https://, etc.), host name (domain name or IP:PORT), and uri.

Here is an example:

proxy_pass http://www.xxx.com/;
proxy_pass http://192.168.200.101:8080/uri;
proxy_pass unix:/tmp/www.sock;

There are several things to note about proxy_pass configuration:

Assume server_name is www.xxx.com

When requesting http://www.xxx.com/aming/a.html, the results of the above examples are

Example 1:

location /aming/
{
  proxy_pass http://192.168.1.10;
  ...
}

Result 1: http://192.168.1.10/aming/a.html

Example 2:

location /aming/
{
  proxy_pass http://192.168.1.10/;
  ...
}

Result 2: http://192.168.1.10/a.html

Example 3:

location /aming/
{
  proxy_pass http://192.168.1.10/linux/;
  ...
}

Result 3: http://192.168.1.10/linux/a.html

Example 4:

location /aming/
{
  proxy_pass http://192.168.1.10/linux;
  ...
}

Result 4: http://192.168.1.10/linuxa.html

Summarize:

For ease of memory and standardized configuration, it is recommended that all URLs after proxy_pass end with "/".

proxy_pass http://192.168.1.10/linux/;

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