feat: add Docker support with demo mode and database reset functionality

scripts/reset-instance.ts

@@ -7,6 +7,7 @@ import { spawnSync } from "node:child_process";
 import { createRequire } from "node:module";
 import { fileURLToPath } from "node:url";
 import { db } from "../src/lib/db";
+import { isDemoDatabase } from "../src/lib/demo";
 
 async function reset() {
   const [mode, confirmation, ...extra] = process.argv.slice(2);
@@ -16,7 +17,7 @@ async function reset() {
   if (!process.env.DATABASE_URL) throw new Error("DATABASE_URL fehlt. Zuerst npm run configure ausfuehren.");
   const target = new URL(process.env.DATABASE_URL);
   if (!["postgres:", "postgresql:"].includes(target.protocol)
-    || !["localhost", "127.0.0.1", "[::1]"].includes(target.hostname)
+    || (!["localhost", "127.0.0.1", "[::1]"].includes(target.hostname) && !isDemoDatabase(target))
     || !target.pathname.slice(1) || ["/postgres", "/template0", "/template1"].includes(target.pathname)) {
     throw new Error("Reset nur fuer eine ausdruecklich konfigurierte lokale Anwendungsdatenbank erlaubt.");
   }