Envoy Gateway Extensions

Generate EnvoyExtensionPolicy resources to extend Envoy Gateway's data plane with External Processing (ExtProc), WebAssembly (Wasm), or Lua extensions. Also covers EnvoyPatchPolicy for direct xDS patching as a last resort.

Instructions

Step 1: Determine Extension Type and Target

Ask the user:

1. Which extension type: ExtProc (recommended), Wasm, or Lua?
2. What should the extension do? (e.g., add headers, transform requests, custom auth)
3. What resource should it target: Gateway, HTTPRoute, or Backend?

Step 2a: External Processing (ExtProc)