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/yaml/dist/nodes/addPairToJSMap.d.ts

@@ -0,0 +1,4 @@
+import type { Pair } from './Pair';
+import type { ToJSContext } from './toJS';
+import type { MapLike } from './YAMLMap';
+export declare function addPairToJSMap(ctx: ToJSContext | undefined, map: MapLike, { key, value }: Pair): MapLike;