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/stringify/stringifyCollection.d.ts

@@ -0,0 +1,17 @@
+import type { Collection } from '../nodes/Collection';
+import type { StringifyContext } from './stringify';
+interface StringifyCollectionOptions {
+    blockItemPrefix: string;
+    flowChars: {
+        start: '{';
+        end: '}';
+    } | {
+        start: '[';
+        end: ']';
+    };
+    itemIndent: string;
+    onChompKeep?: () => void;
+    onComment?: () => void;
+}
+export declare function stringifyCollection(collection: Readonly<Collection>, ctx: StringifyContext, options: StringifyCollectionOptions): string;
+export {};