add nginx notes, sparrow update, fulcrum sync, servr.js

proxy/server.js

@@ -0,0 +1,34 @@
+/*
+# Install dependencies:
+npm install express http-proxy-middleware
+# Start with the command:
+node server.js
+*/
+
+const express = require('express');
+const { createProxyMiddleware } = require('http-proxy-middleware');
+
+const app = express();
+
+app.use('/api', createProxyMiddleware({
+  target: 'https://api.staging.galoy.io/graphql', // The target API endpoint
+  changeOrigin: true,
+  pathRewrite: {
+    '^/api': '', // Rewrite the API path, if needed
+  },
+  onProxyRes: function (proxyRes, req, res) {
+    // Add CORS headers to the response from the proxied server
+    res.header('Access-Control-Allow-Origin', '*');
+    res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
+    res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept, Authorization');
+    if (req.method === 'OPTIONS') {
+      // Preflight request, end it after setting headers
+      res.sendStatus(200);
+    }
+  },
+}));
+
+const PORT = 3000; // The port your proxy server will listen on
+app.listen(PORT, () => {
+  console.log(`Proxy server is running on http://localhost:${PORT}`);
+});