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Author image Ed J


Mojolicious::Command::proxy - Proxy web requests elsewhere


  Usage: APPLICATION proxy [--from route_prefix] to_url

    mojo proxy http://example.com/subdir daemon -l http://*:3000
    mojo proxy -f /proxy http://example.com/subdir get /proxy/hi

    -f, --from                  Proxying route prefix


Mojolicious::Command::proxy is a command line interface for making an app that proxies some or all incoming requests elsewhere. Having done so, it then passes the rest of its arguments to the app's start method, as illustrated in the synopsis above.

One major reason for this is to be able to point your browser at e.g. localhost:3000 (see first example in synopsis). This relaxes restrictions on e.g. Service Workers and push notifications, which normally demand TLS, so you can test functionality even if your real development server is running elsewhere.



  $str = $self->description;


  $str = $self->usage;




Run this command. It will add a "proxy" route as below. If not supplied, the $from will be empty-string.

Command-line arguments will only be parsed at the start of the command-line. This allows you to pass option through to e.g. daemon.

As a special case, if the app attribute is exactly a Mojo::HelloWorld app, it will replace its routes attribute with an empty one first, since the whatever route clashes with the proxy route, being also a match-everything wildcard route. This makes the mojo proxy invocation function as expected.


  Mojolicious::Command::proxy->proxy($app, $from_prefix, $to_prefix);

Add a route to the given app, with the given prefix, named proxy. It will transparently proxy all matching requests to the give $to, with all the same headers both ways.

It operates by simply appending everything after the $from_prefix, which can be an empty string (which is treated the same as solitary /, doing what you'd expect), to the $to_prefix. E.g.:

  $cmd->proxy($app, '', '/subdir'); # /2 -> /subdir/2, / -> /subdir/ i.e. all
  $cmd->proxy($app, '/proxy', '/subdir'); # /proxy/2 -> /subdir/2

$to can be a path as well as a full URL, so you can also use this to route internally. However, the author can see no good reason to do this outside of testing.

It uses "proxy->start_p" in Mojolicious::Plugin::DefaultHelpers but adds the full header-proxying behaviour.


Ed J


This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.