jumble-proxy-server

This application is a proxy server used by the Jumble Nostr client as a workaround to fix CORS errors, so that the client can show the URL preview from given links Open Graph data.

Usage

From source

Compile the binary:

CGO_ENABLED=0 go build -o bin/jumble-proxy-server .

Run the binary with environment variables:

ALLOW_ORIGIN=https://jumble.social PORT=8080 bin/jumble-proxy-server server

Using Docker

Pull the image:

docker pull ghcr.io/danvergara/jumble-proxy-server:latest

Run the container;

docker run --rm -e PORT=8080 -p 8080:8080 ghcr.io/danvergara/jumble-proxy-server:latest

Configuration

The configuration of the proxy server is done through environment variables. Most of them are optional.

• PORT Define the port the proxy server will be listening to (default: 8000)
• ENABLE_PPROF Enable pprof routes if present and equal to "true" (optional)
• JUMBLE_PROXY_GITHUB_TOKEN GitHub Token needed to authenticate with the GitHub API (mandatory)

docker run --rm -e JUMBLE_PROXY_GITHUB_TOKEN=${JUMBLE_PROXY_GITHUB_TOKEN} -e PORT=8080 -p 8080:8080 ghcr.io/danvergara/jumble-proxy-server:latest

How to hit the proxy server

The inner URL needs to be encoded so it doesn't break the outer URL structure.

curl -X GET http://localhost:8080/sites/https%3A%2F%2Fyoutu.be%2FNVm_jGdwTjQ%3Fsi%3DblYLT44WrrPjL9gU

The server will respond with the HTML from the website of interest.