setup application, server, and configs

src/application.ts

@@ -0,0 +1,48 @@
+import { serverConfig } from "@/configs/server.config";
+import compression from "compression";
+import cors from "cors";
+import express from "express";
+import helmet from "helmet";
+
+export class Application {
+	private readonly _app: express.Application;
+
+	public constructor() {
+		this._app = express();
+	}
+
+	public initializeMiddlewares() {
+		this._app.use(helmet());
+		this._app.use(cors());
+		this._app.use(compression());
+		this._app.use(express.json());
+		this._app.use(express.urlencoded());
+	}
+
+	public initializeRouters() {
+		// this._app.use("/countries");
+		// this._app.use("/cities");
+		// this._app.use("/airlines");
+		// this._app.use("/airports");
+		// this._app.use("/flights");
+		// this._app.use("/hotel-facilities");
+		// this._app.use("/hotels");
+		// this._app.use("/transportations");
+		// this._app.use("/packages");
+	}
+
+	public initializeErrorHandlers() {}
+
+	public run() {
+		const port = serverConfig.port;
+		const host = serverConfig.host;
+
+		this._app.listen(port, host, (err) => {
+			if (err) {
+				console.log(`Failed to listen server: ${err.message}`);
+			} else {
+				console.log(`Server listening at ${host}:${port}`);
+			}
+		});
+	}
+}