start a web server

src/Web.ts

@@ -1,6 +1,41 @@
+import * as http from "http";
+import type { Express } from "express";
+import express, { application } from 'express';
+
+interface WebConfig {
+    port?: number;
+}
+
+/**
+ * I still hate typescript.
+ */
+function notStupidParseInt(v: string | undefined): number {
+    return v === undefined ? NaN : parseInt(v);
+}
 
 class Web {
-    constructor(options = {}) {
+    private _webserver: http.Server | null = null;
+
+    constructor(options: WebConfig = {}) {
+        const app: Express = express();
+        const port: number = notStupidParseInt(process.env.PORT) || options['port'] as number || 8080;
+
+        app.set('trust proxy', 1);
+        app.set('view engine', 'ejs');
+        app.set('view options', { outputFunctionName: 'echo' });
+        app.use('/assets', express.static('assets'));
+
+        app.get('/healthcheck', (_, res) => {
+            res.send('Healthy');
+        });
+
+        this._webserver = app.listen(port, () => console.log(`archy-build-thing is running on port ${port}`));
+    }
+
+    close = () => {
+        if (this._webserver) {
+            this._webserver.close();
+        }
     }
 }
 

src/index.ts

@@ -5,3 +5,5 @@ import Web from './Web.ts';
 const config = JSON.parse(await fs.promises.readFile(process.env.config || path.join('config', 'config.json'), 'utf-8'));
 
 const web = new Web(config);
+
+process.on('SIGTERM', web.close);