index.js

import express from "express";
import path from "path";

import postRoutes from "./routes/postRoutes.js";
import connectDB from "./config/database.js";
import Post from "./models/post.js";
import { fileURLToPath } from "url";

const app = express();
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

app.use(express.static(path.join(__dirname, "public")));
app.set("view engine", "ejs");
app.set('views', path.join(__dirname, 'views'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

const port = process.env.PORT || 3000;

app.get("/", function (req, res) {
    res.render("index");
});

app.use("/", postRoutes);

async function start() {
    const client = await connectDB();
    await Post.injectDB(client);

    if (process.env.VERCEL) {
        console.log("Vercel 환경에서는 서버를 시작하지 않습니다.");
    } else {
        app.listen(port, () => {
            console.log("서버 실행중...");
        });
    }

    process.on("SIGINT", async () => {
        try {
            await client.close();
            console.log("정상 DB 연결 종료");
            process.exit(0);
        } catch (err) {
            console.error("오류에 의한 DB 연결 종료", err);
            process.exit(1);
        }
    });
}
start();

export default app;