fix: Update nginx config to use dynamic DNS resolution

- Replace upstream blocks with resolver directive
- Use variables for backend addresses to avoid startup errors
- Simplify configuration with single server block
- Add health check endpoint

server/api/node_modules/dunder-proto/set.d.ts

@@ -0,0 +1,5 @@
+declare function setDunderProto<P extends null | object>(target: {}, proto: P): P;
+
+declare const x: false | typeof setDunderProto;
+
+export = x;