Nginx configuration 80 port access 8080 and project name address method analysis

Tomcat accesses the project, usually ip + port + project name

Nginx configures location / {}, which can usually only jump to ip + port. If you want to access the project directly, you need to modify the tomcat configuration.

How to ensure that the port + project name can be accessed without modifying the configuration of tomcat and only modifying nginx

After trying, I found a way to

location / {
proxy_pass http://127.0.0.1:8080/demo;
}

Jump to

location /demo {
proxy_pass http://127.0.0.1:8080;
}

demo is the project name, which is the file name configured under tomcat's webapps

This configuration will only display the project name in the URL address, but what does it matter?

Here is an example configuration:

upstream tomcatproject{
    ip_hash;
    server 11.1.11.11:8080;
    server 22.2.22.22:8080;
  }

  server {
    listen 80;
    #server_name localhost;

    #charset koi8-r;

    #access_log logs/host.access.log main;

    location / {
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_pass http://tomcatproject/demo;
    }

    location /demo/ {
        proxy_redirect off;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_pass http://tomcatproject;
    }
}

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