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diff --git a/README.md b/README.md new file mode 100644 index 0000000..6205724 --- /dev/null +++ b/README.md @@ -0,0 +1,94 @@ +# webhook-forwarder + +Minimal Rust HTTP server that forwards GitHub webhook requests to a Dokploy instance that is not publicly accessible. + +## How It Works + +| Incoming Request | Forwarded To | +|---|---| +| `POST /<token>` | `{DOKPLOY_BASE_URL}/api/deploy/<token>` | +| `POST /compose/<token>` | `{DOKPLOY_BASE_URL}/api/deploy/compose/<token>` | + +All headers and the request body are forwarded. Dokploy's response is returned to the caller. + +## Configuration + +| Environment Variable | Default | Description | +|---|---|---| +| `DOKPLOY_BASE_URL` | `http://100.102.55.49:3000` | Internal Dokploy panel URL | +| `PORT` | `8080` | Listen port | + +## Deploy on Dokploy + +### 1. Create the Application + +1. Go to **Dashboard → Projects** → create or select a project +2. Click **"+ Create Service"** → **"Application"** +3. Name it (e.g. `webhook-forwarder`) + +### 2. Configure Source + +1. Go to the **Provider** tab +2. Select **GitHub** and choose this repository +3. Set branch to `main` +4. Build path: `/` (root) + +### 3. Configure Build + +1. Go to the **Build** tab +2. Set build type to **Dockerfile** +3. Dockerfile path: `Dockerfile` + +### 4. Set Environment Variables + +1. Go to the **Environment** tab +2. Add: + ``` + DOKPLOY_BASE_URL=http://172.17.0.1:3000 + ``` + This uses the Docker bridge gateway IP to reach Dokploy on the host. If this doesn't work, try your Tailscale IP or `host.docker.internal:3000`. + +### 5. Add Domain + +1. Go to the **Domains** tab +2. Add a domain: + - **Host**: `webhook.catgirls.rodeo` (or your domain) + - **Port**: `8080` + - **HTTPS**: On + - **Certificate**: `letsencrypt` +3. Ensure your DNS has an A record pointing the domain to your server + +### 6. Deploy + +Click **Deploy** and monitor the **Deployments** tab for build logs. + +## Configure GitHub Webhooks + +For each repo you want to auto-deploy via Dokploy: + +1. Find the deploy token in Dokploy's application/compose settings +2. Go to your GitHub repo → **Settings → Webhooks → Add webhook** +3. Set the payload URL: + - For applications: `https://webhook.catgirls.rodeo/<token>` + - For compose: `https://webhook.catgirls.rodeo/compose/<token>` +4. Content type: `application/json` +5. Events: **Just the push event** + +## Local Development + +```bash +# Build and run +cargo run + +# Test (in another terminal) +chmod +x bin/test.sh +bin/test.sh +``` + +## Networking Troubleshooting + +If the forwarder can't reach Dokploy (`502 Bad Gateway`): + +- **Docker bridge**: Try `DOKPLOY_BASE_URL=http://172.17.0.1:3000` +- **Tailscale IP**: Try `DOKPLOY_BASE_URL=http://100.102.55.49:3000` +- **Host network mode**: As a last resort, deploy with `network_mode: host` (requires compose deployment instead of application) |