WEB-547 feat(proxy): forward /fineract-provider to sandbox; add localhost sample and README MD034 fixes (#2958)

proxy.conf.js

@@ -2,7 +2,7 @@
 
 const { HttpsProxyAgent } = require('https-proxy-agent');
 
-/*
+/* IMPORTANT:
  * API proxy configuration.
  * This allows you to proxy HTTP request like `http.get('/api/stuff')` to another server/port.
  * This is especially useful during app development to avoid CORS issues while running a local server.
@@ -10,12 +10,33 @@ const { HttpsProxyAgent } = require('https-proxy-agent');
  */
 const proxyConfig = [
   {
-    context: '/api',
-    pathRewrite: { '^/api': '' },
-    target: 'https://api.chucknorris.io',
+    context: ['/fineract-provider'],
+    target: 'https://sandbox.mifos.community',
+    pathRewrite: { '^/fineract-provider': '' },
     changeOrigin: true,
-    secure: false
+    secure: true,
+    logLevel: 'debug',
+    onProxyReq: function (proxyReq, req, res) {
+      const rewrittenPath = (req.url || '').replace(/^\/fineract-provider/, '');
+      console.log('[Proxy] Proxying:', req.method, req.url, '->', this.target + rewrittenPath);
+    },
+    onError: function (err, req, res) {
+      console.error(
+        '[Proxy] Error while proxying request:',
+        req && req.method,
+        req && req.url,
+        '->',
+        this.target,
+        '-',
+        err && err.message
+      );
+      if (res && !res.headersSent) {
+        res.writeHead(502, { 'Content-Type': 'text/plain' });
+        res.end('Proxy error: ' + (err && err.message ? err.message : 'Unknown error'));
+      }
+    }
   }
+  // For local development use `proxy.localhost.conf js` .
 ];
 
 /*