From cc5a5673355cb72d768d129c4f544f45862ceb11 Mon Sep 17 00:00:00 2001
From: Arne Baeumler <arne@br0tkasten.de>
Date: Sun, 7 Jun 2026 12:18:00 +0200
Subject: [PATCH] feat: add TypeScript server skeleton

---
 src/index.ts                  | 14 ++++++++++++++
 src/server/request-handler.ts | 21 +++++++++++++++++++++
 src/shared/env.ts             | 15 +++++++++++++++
 tsconfig.json                 | 16 ++++++++++++++++
 4 files changed, 66 insertions(+)
 create mode 100644 src/index.ts
 create mode 100644 src/server/request-handler.ts
 create mode 100644 src/shared/env.ts
 create mode 100644 tsconfig.json

diff --git a/src/index.ts b/src/index.ts
new file mode 100644
index 0000000..be48985
--- /dev/null
+++ b/src/index.ts
@@ -0,0 +1,14 @@
+import { createServer } from "node:http";
+import { env } from "./shared/env.js";
+import { createRequestHandler } from "./server/request-handler.js";
+
+const handler = createRequestHandler();
+
+const server = createServer((req, res) => {
+  void handler(req, res);
+});
+
+server.listen(env.port, env.host, () => {
+  console.log(`mapy-mg listening on http://${env.host}:${env.port}`);
+});
+
diff --git a/src/server/request-handler.ts b/src/server/request-handler.ts
new file mode 100644
index 0000000..b195b77
--- /dev/null
+++ b/src/server/request-handler.ts
@@ -0,0 +1,21 @@
+import type { IncomingMessage, ServerResponse } from "node:http";
+
+export function createRequestHandler() {
+  return async function handleRequest(_req: IncomingMessage, res: ServerResponse) {
+    res.statusCode = 200;
+    res.setHeader("content-type", "application/json; charset=utf-8");
+    res.end(
+      JSON.stringify({
+        name: "mapy-mg",
+        status: "ok",
+        features: [
+          "photo upload",
+          "EXIF location extraction",
+          "map markers",
+          "route preview"
+        ]
+      })
+    );
+  };
+}
+
diff --git a/src/shared/env.ts b/src/shared/env.ts
new file mode 100644
index 0000000..b0eb1c0
--- /dev/null
+++ b/src/shared/env.ts
@@ -0,0 +1,15 @@
+function parsePort(value: string | undefined): number {
+  const port = Number(value ?? "3000");
+
+  if (!Number.isInteger(port) || port < 1 || port > 65535) {
+    throw new Error("PORT must be an integer between 1 and 65535");
+  }
+
+  return port;
+}
+
+export const env = {
+  host: process.env.HOST ?? "0.0.0.0",
+  port: parsePort(process.env.PORT)
+} as const;
+
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..e71bac5
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "rootDir": "src",
+    "outDir": "dist",
+    "strict": true,
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true
+  },
+  "include": ["src/**/*.ts"]
+}
+