Features›Storage›Web Proxy

🌐 Web Proxy Backend

Add on-the-fly image optimisation to any existing HTTP image source — WordPress, Strapi, Contentful, Sanity, existing CDNs, or internal APIs. No migration required.

Amazon S3 Google Cloud Azure Blob Filesystem Web Proxy

Configuration

remote:
  type: web-proxy
  baseUrl: https://example.com/images

Use Cases

WordPress

baseUrl: https://blog.example.com/wp-content/uploads

Headless CMS

Strapi, Contentful, Sanity — point to their media API.

Existing CDN

Add transformations in front of images already served by another CDN.

Internal APIs

baseUrl: http://media-service.internal:8080/api/v1/media

How It Works

  1. Request comes in: /remote/width/400/photo.jpg
  2. Image Foundry fetches https://example.com/images/photo.jpg
  3. Image is transformed and cached on disk
  4. Subsequent identical requests served from cache (< 5ms)

Security

Add a secret to prevent open-relay abuse. Without signing, anyone could use your instance to proxy and transform arbitrary images from the configured origin.

external:
  type: web-proxy
  baseUrl: https://external-images.com
  secret: "prevent-open-relay"

Related Features

All Storage Backends

Overview of all 5 backend types and configuration.

Signed URLs

Add per-source HMAC signing for secure access.

Transformations

Full reference for all image operations.

Connect Your Storage in Minutes

Free tier — no credit card required.

Get Started Free Read the Docs