pangolin/server/index.ts

import express, { Request, Response } from "express";
import next from "next";
import { parse } from "url";
import environment from "@server/environment";
import logger from "@server/logger";
import helmet from "helmet";
import cors from "cors";
import internal from "@server/routers/internal";
import external from "@server/routers/external";
import Database from 'better-sqlite3';
import { drizzle } from 'drizzle-orm/better-sqlite3';

const dev = environment.ENVIRONMENT !== "prod";
const app = next({ dev });
const handle = app.getRequestHandler();
const mainPort = environment.PORT;
const internalPort = environment.INTERNAL_PORT;
let db: Database.Database;

app.prepare().then(() => {
    // Open the SQLite database connection
    const sqlite = new Database(`${environment.CONFIG_PATH}/db/db.sqlite`, { verbose: console.log });
    const db = drizzle(sqlite);

    // Main server
    const mainServer = express();
    mainServer.use(helmet());
    mainServer.use(cors());

    // Middleware to attach the database to the request
    mainServer.use((req, res, next) => {
        (req as any).db = db;
        next();
    });

    const prefix = `/api/${environment.API_VERSION}`;
    mainServer.use(prefix, express.json(), external);

    // We are using NEXT from here on
    mainServer.all("*", (req: Request, res: Response) => {
        const parsedUrl = parse(req.url!, true);
        handle(req, res, parsedUrl);
    });

    mainServer.listen(mainPort, (err?: any) => {
        if (err) throw err;
        logger.info(`Main server is running on http://localhost:${mainPort}`);
    });

    // Internal server
    const internalServer = express();
    internalServer.use(helmet());
    internalServer.use(cors());

    // Middleware to attach the database to the request
    internalServer.use((req, res, next) => {
        (req as any).db = db;
        next();
    });

    internalServer.use(prefix, express.json(), internal);

    internalServer.listen(internalPort, (err?: any) => {
        if (err) throw err;
        logger.info(`Internal server is running on http://localhost:${internalPort}`);
    });
});

process.on('SIGINT', () => {
    db.close();
    process.exit(0);
});