feat: add file storage service and update configurations

refactor: migrate to tsup for builds and update tsconfigs
fix: update error handling and validation in payment service
chore: update package scripts and dependencies
docs: update README and env examples

apps/api/src/index.ts

@@ -1,27 +1,27 @@
-import { serve } from '@hono/node-server';
-import { OpenAPIHono } from '@hono/zod-openapi';
-import { swaggerUI } from '@hono/swagger-ui';
-import { config } from './config';
-import { logger } from '@repo/logger';
+import { serve } from "@hono/node-server";
+import { OpenAPIHono } from "@hono/zod-openapi";
+import { swaggerUI } from "@hono/swagger-ui";
+import { config } from "./config";
+import { logger } from "@repo/logger";
 
 const app = new OpenAPIHono();
 
 // OpenAPI documentation
-app.doc('/doc', {
-  openapi: '3.0.0',
+app.doc("/doc", {
+  openapi: "3.0.0",
   info: {
-    version: '1.0.0',
-    title: 'API Documentation',
-    description: 'API built with Hono and Zod OpenAPI',
+    version: "1.0.0",
+    title: "API Documentation",
+    description: "API built with Hono and Zod OpenAPI",
   },
 });
 
 // Swagger UI
-app.get('/ui', swaggerUI({ url: '/doc' }));
+app.get("/ui", swaggerUI({ url: "/doc" }));
 
 // Health check
-app.get('/health', (c) => {
-  return c.json({ status: 'ok', timestamp: new Date().toISOString() });
+app.get("/health", (c) => {
+  return c.json({ status: "ok", timestamp: new Date().toISOString() });
 });
 
 const port = parseInt(config.PORT);
@@ -29,7 +29,24 @@ const port = parseInt(config.PORT);
 logger.info(`Starting API server on port ${port}`);
 logger.info(`Swagger UI available at http://localhost:${port}/ui`);
 
-serve({
+const server = serve({
   fetch: app.fetch,
   port,
 });
+
+const tearDown = () => {
+  logger.info("Server shutting down...");
+  if (server) {
+    server.close(() => {
+      logger.info("Server closed");
+      process.exit(0);
+    });
+  } else {
+    process.exit(0);
+  }
+};
+
+process.on("SIGINT", tearDown);
+process.on("SIGTERM", tearDown);
+process.on("SIGUSR1", tearDown);
+process.on("SIGUSR2", tearDown);