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/emoji-regex/index.d.ts

@@ -0,0 +1,23 @@
+declare module 'emoji-regex' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/text' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/es2015' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}
+
+declare module 'emoji-regex/es2015/text' {
+    function emojiRegex(): RegExp;
+
+    export default emojiRegex;
+}