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/fs-extra/lib/mkdirs/make-dir.js

@@ -0,0 +1,27 @@
+'use strict'
+const fs = require('../fs')
+const { checkPath } = require('./utils')
+
+const getMode = options => {
+  const defaults = { mode: 0o777 }
+  if (typeof options === 'number') return options
+  return ({ ...defaults, ...options }).mode
+}
+
+module.exports.makeDir = async (dir, options) => {
+  checkPath(dir)
+
+  return fs.mkdir(dir, {
+    mode: getMode(options),
+    recursive: true
+  })
+}
+
+module.exports.makeDirSync = (dir, options) => {
+  checkPath(dir)
+
+  return fs.mkdirSync(dir, {
+    mode: getMode(options),
+    recursive: true
+  })
+}