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/axios/lib/helpers/bind.js

@@ -0,0 +1,14 @@
+'use strict';
+
+/**
+ * Create a bound version of a function with a specified `this` context
+ *
+ * @param {Function} fn - The function to bind
+ * @param {*} thisArg - The value to be passed as the `this` parameter
+ * @returns {Function} A new function that will call the original function with the specified `this` context
+ */
+export default function bind(fn, thisArg) {
+  return function wrap() {
+    return fn.apply(thisArg, arguments);
+  };
+}