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    @flaregun-net/proxyflare-for-pages

A reverse proxy for your website on Cloudflare Pages


Version published
Weekly downloads
384
increased by14.29%
Maintainers
1
Install size
448 kB
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Proxyflare for Cloudflare Pages

Visit our website for the full documentation.

Overview

Proxyflare is a reverse proxy that makes it easy to move HTTP traffic around your domain and across the internet.

This package provides Proxyflare as a Cloudflare Pages plugin. Any website deployed on Cloudflare Pages may use Proxyflare.

Proxyflare is a middleware layer that matches incoming requests to Routes in your Configuration.

Refer to the Cloudflare documentation for more information about Pages Middleware, Pages Functions and other awesome community Plugins that can enhance your website.

Use cases

Proxy traffic to another service

Proxy traffic from a part of your domain to another service on the same domain or elsewhere on the internet

Examples
  1. Move traffic from https://yoursite.com/api/* to https://your-hosted-api.com
  2. Host a service on https://torrents.yoursite.com/* that points to http://yoursite.com:41321
Notes
  • Proxyflare works over http(s): and ws(s): (websockets)
  • A proxied service must be available on the public internet
  • Both standard and custom ports are supported (e.g. 80, 443, 8787, etc.)

Learn more

Mount a hosted website on your domain

Examples
  1. Mount your React-powered documentation hosted at https://hosted-docs.com on https://yoursite.com/docs/*
  2. Mount a WordPress site hosted at https://some-wordpress-blog.com on https://yoursite.com/blog/*
Notes
  • Mounted websites should configure the base url to match its mounted pathname
  • Static resources such as stylesheets must be carefully added to Route["to.website.resources"]

Learn more

Redirect traffic from one place to another

  1. Version an API (e.g. redirect /v2/api)
  2. Redirect stale content URLs
Notes
  • Redirects are wildcard-compatible
  • Any 300-level status code is supported

Learn more

Serve static content through Proxyflare

  1. Publish unique robots.txt and other website metadata files around your domain
Notes
  • Custom response headers are supported to set Content-Type for text, JSON, or others
  • Text files should be no larger than 16KB

Learn more

Install

Install @flaregun-net/proxyflare-for-pages and @cloudflare/workers-types using your preferred Node.js package manager

npm install @flaregun-net/proxyflare-for-pages
npm install -D @cloudflare/workers-types

Plug in

Scaffold

In your Cloudflare Pages project, create a functions/_middleware.ts file. The name of this file must be exactly as written because Cloudflare Pages uses the file name internally for routing. If your project already has a functions/_middleware.ts that exports a single onRequest object, convert it to a list of middleware for convenience. Middleware is called in the order listed.

The onRequest middlewares should include the following configuration. Notice that we wrap Proxyflare in a PagesFunction in order to use environment variables with Proxyflare. Learn more about environment variables and secrets.

import proxyflare from "@flaregun-net/proxyflare-for-pages"

const routes: Route[] = []

// `PagesFunction` is from @cloudflare/workers-types
export const onRequest: PagesFunction[] = [
  (context) =>
    proxyflare({
      config: {
        global: { debug: true },
        routes,
      },
    })(context),
  // other Pages plugins and middleware
]

This is a barebones Proxyflare configuration with debug enabled that will help with set up and configuration. Learn more about debugging Proxyflare.

Configure

Next, you'll need to write your first Route. Check out the use cases section to find Route ideas. If you don't have one yet, try this example:

const routes: Route[] = [
  {
    from: {
      pattern: "yourdomain.com/proxyflare-example",
      alsoMatchWWWSubdomain: true,
    },
    to: { url: "https://example.com" },
  },
]

Replace yoursite.com with your domain name.

Deploy

Once you have a Route set up, deploy a new version of your Cloudflare Pages website, and keep an eye on the deployment. Once the deployment is successful, navigate to your domain.

For the example Route above, you should see https://example.com rendered at yourdomain.com/proxyflare-example. If you don't see it, refer to the debugging Proxyflare section or reach out for help in Discord.

Next steps

Now that you're up and running, check out the Tutorials to learn more about what you can do with Proxyflare.

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Last updated on 31 Jan 2023

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