Initial Commit with Working server and metrics

dist/config.js

@@ -0,0 +1,30 @@
+// Zentrale Konfiguration, per .env überschreibbar
+export default {
+    port: parseInt(process.env.PORT || "8080", 10),
+    // Upstream (Epirent)
+    upstreamBase: process.env.UPSTREAM_BASE || "https://epirent.example.com", // <-- anpassen
+    epiNoSession: process.env.EPI_NO_SESSION || "true",
+    epiAccessToken: process.env.EPI_ACCESS_TOKEN || "xxxDerAccessTokenxxx",
+    // Cache
+    ttlSeconds: parseInt(process.env.TTL_SECONDS || "600", 10), // frisch
+    staleSeconds: parseInt(process.env.STALE_SECONDS || "600", 10), // zusätzlich stale
+    // Optional: Pfad-spezifische TTL-Regeln (Regex-Strings)
+    routeTtls: (process.env.ROUTE_TTLS || "")
+        .split("|")
+        .map(s => s.trim())
+        .filter(Boolean)
+        .map(rule => {
+        // Format: /regex/i=SECONDS  (i optional)
+        const [pat, sec] = rule.split("=");
+        const flags = /\/[gimsuy]*$/.test(pat) ? pat.split("/").pop() : "";
+        const body = pat.replace(/^\/|\/[gimsuy]*$/g, "");
+        return { re: new RegExp(body, flags || "i"), seconds: parseInt(sec, 10) };
+    }),
+    // Redis (leer => In-Memory LRU)
+    redisUrl: process.env.REDIS_URL || "",
+    // Sicherheit / CORS
+    allowCors: (process.env.CORS || "false").toLowerCase() === "true",
+    corsOrigin: process.env.CORS_ORIGIN || "*",
+    // Rate limit (sehr simpel, optional)
+    rateLimitRps: parseInt(process.env.RATE_LIMIT_RPS || "0", 10), // 0 = aus
+};