Proxy and rewrite to WebApp

Question

I'm running a webapp on local using gunicorn on 127.0.0.1:8000. I want to make its service-page /demo accessible on http://127.0.0.1/internal and rewrite all calls to /demo to internal

I'm using Apache v2.4.

Several approaches using mod_proxy and mod_rewrite.

# This gives me `ERR_TOO_MANY_REDIRECTS`. <Location /internal> ProxyPass http://localhost:8000/demo ProxyPassReverse http://localhost:8000/demo RequestHeader add X-Script-Name "/internal" </Location> # This works, but I need to visit /internal/demo manually. <Location /internal> ProxyPass http://localhost:8000 ProxyPassReverse http://localhost:8000 RequestHeader add X-Script-Name "/internal" </Location>

It doesn't matter, where to place the ProxyPass...

 ProxyPass /internal http://localhost:8000 ProxyPassReverse /internal http://localhost:8000 <Location /internal> RequestHeader add X-Script-Name "/internal" </Location>

According to the developer, RequestHeader add X-Script-Name is supported.

Using NGINX, this works as expected:

 location /internal { proxy_pass http://localhost:8000; proxy_set_header Host $http_host; proxy_set_header X-Script-Name /internal; rewrite /internal$ /internal/demo redirect; }

But adding this to Apache2 doesn't help:

RewriteRule /internal$ /internal/demo [R,L]

PMc · Accepted Answer · 2019-12-21 13:58:29Z

it seems You want to achieve two things:

make your application visible to the users under the url path /internal/ instead of /.
move the /demo/ subfolder of your application up to the root / of your application (as far as the view of the users is concerned).

To achieve (1) I would try this one:

<Location /internal> ProxyPass http://localhost:8000/internal ProxyPassReverse http://localhost:8000/internal RequestHeader add X-Script-Name "/internal" </Location>

And then to achieve (2) I would just let apache proxy do the job:

<Location /internal> ProxyPass http://localhost:8000/internal/demo ProxyPassReverse http://localhost:8000/internal/demo RequestHeader add X-Script-Name "/internal" </Location>

Caveat: I just found out, by accident, that solution to (1), and it does exactly what I wanted to achieve, but I do not yet understand why it works.

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