feat: add reverse proxy support and port configuration

src/server.ts

@@ -25,9 +25,16 @@ type WebhookPayload = {
 };
 
 export class WebhookServer {
+	private static getBaseUrl(request: Request): string {
+		const proto = request.headers.get('x-forwarded-proto') || 'http';
+		const host = request.headers.get('x-forwarded-host') || request.headers.get('host');
+		return `${proto}://${host}`;
+	}
+
 	static async handleRequest(request: Request): Promise<Response> {
 		// Health check endpoint
-		if (request.url.endsWith('/health')) {
+		const url = new URL(request.url);
+		if (url.pathname.endsWith('/health')) {
 			return new Response('OK', { status: 200 });
 		}
 
@@ -115,8 +122,7 @@ export class WebhookServer {
 	static async start() {
 		this.validateEnv();
 
-		// const PORT = process.env.PORT || '3007';
+		const PORT = process.env.PORT || '3007';
-		const PORT = '80';
 		console.log('✅ Environment variables validated');
 
 		if (process.env.NODE_ENV !== 'test') {

src/services/webhook-manager.ts

@@ -43,7 +43,13 @@ export class WebhookManager {
 
 		try {
 			const url = new URL(process.env.WEBHOOK_URL);
-			if (!['http:', 'https:'].includes(url.protocol)) {
+			// Allow internal docker URLs in production
+			if (process.env.NODE_ENV === 'production') {
+				if (!['http:', 'https:', 'http://srv-captain--'].some(prefix => 
+					process.env.WEBHOOK_URL?.startsWith(prefix))) {
+					console.warn('Production WEBHOOK_URL should use http/https or internal docker URL');
+				}
+			} else if (!['http:', 'https:'].includes(url.protocol)) {
 				throw new Error('WEBHOOK_URL must use http or https protocol');
 			}
 		} catch (e) {