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/mime-db/index.js

@@ -0,0 +1,12 @@
+/*!
+ * mime-db
+ * Copyright(c) 2014 Jonathan Ong
+ * Copyright(c) 2015-2022 Douglas Christopher Wilson
+ * MIT Licensed
+ */
+
+/**
+ * Module exports.
+ */
+
+module.exports = require('./db.json')