Nginx how to map multiple location in regex to a single directory

Question

My application uses a single web app (in HTML and Javascript) to serve multiple (dynamic amount) system.

Systems are distinguished by URL like http://localhost/sites/<system-id>, where system-id allows only lowercase letter.

Suppose that the web app is located in /opt/myapp. How to config that in nginx?

I tried following methods but none works.

location ~ /sites/[a-z]+ {
   alias /opt/myapp;
   index index.html index.htm; 
}

Enter http://localhost/sites/abc/, got 403 forbidden.

Enter http://localhost/sites/abc/index.html, still 403 forbidden and URL auto changed to http://localhost/sites/abc/index.html/

Same result for location ~ /sites/[a-z]+/ {}

I tried

location ~ /sites/[a-z]+ {
   alias /opt/myapp/;
   index index.html index.htm; 
}

Enter http://localhost/sites/abc, URL redirected to http://localhost/sites/abc/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/index.html/

Richard Smith · Accepted Answer · 2019-05-16 13:51:37Z

2

An alias directive within a regular expression location must form the complete path to the file.

For example:

location ~ ^/sites/[a-z]+(/.*)?$ {
    alias /opt/myapp$1;
    index index.html index.htm; 
}

See this document for details.

answered May 16, 2019 at 13:51

Richard Smith

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