fix: deployment issues and add health check

Dockerfile

@@ -1,16 +1,21 @@
-# Use official Bun image for optimal performance
+# Use official Bun image with Alpine for smaller size
-FROM oven/bun:1.1 as base
+FROM oven/bun:1.1-alpine as base
 WORKDIR /app
 
 # Install dependencies first (better layer caching)
-COPY package.json ./
+COPY package.json bun.lock ./
-RUN bun install
+RUN bun install --production
 
-# Copy all source files
+# Copy only necessary files
-COPY . .
+COPY src/ ./src/
+COPY index.ts ./
 
-# Server runs on port 3007 by default (override with PORT env var)
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s \
+  CMD curl -f http://localhost:3007/health || exit 1
+
+# Server runs on port 3007 by default
 EXPOSE 3007
 
-# Start the server (env vars will be injected by CapRover)
+# Start the server
 CMD ["bun", "run", "index.ts"]

index.ts

@@ -4,8 +4,9 @@ console.log("Starting WhatsApp Task Bot...");
 try {
   const server = WebhookServer.start();
   console.log("Server started successfully");
-  export default server;
 } catch (error) {
   console.error("Failed to start server:", error);
   process.exit(1);
 }
+
+export default WebhookServer;

src/server.ts

@@ -24,6 +24,11 @@ type WebhookPayload = {
 
 export class WebhookServer {
   static async handleRequest(request: Request): Promise<Response> {
+    // Health check endpoint
+    if (request.url.endsWith('/health')) {
+      return new Response('OK', { status: 200 });
+    }
+
     // 1. Method validation
     if (request.method !== 'POST') {
       return new Response('Method not allowed', { status: 405 });