Add rate limiting, security headers, fix CORS for production

backend/node_modules/dynamic-dedupe/example/deduped.js

@@ -0,0 +1,10 @@
+var dedupe = require('../');
+dedupe.activate();
+
+var foo1 = require('./pack1/common/dep-uno/foo');
+var foo2 = require('./pack2/common/dep-uno/foo');
+
+console.log(foo1.foo);
+console.log(foo2.foo);
+
+console.log(foo1 === foo2);

backend/node_modules/dynamic-dedupe/example/not-deduped.js

@@ -0,0 +1,7 @@
+var foo1 = require('./pack1/common/dep-uno/foo');
+var foo2 = require('./pack2/common/dep-uno/foo');
+
+console.log(foo1.foo);
+console.log(foo2.foo);
+
+console.log(foo1 === foo2);

backend/node_modules/dynamic-dedupe/example/pack1/common/dep-uno/foo.js

@@ -0,0 +1,4 @@
+'use strict';
+
+console.log('loading foo from', __dirname);
+exports =  module.exports = { foo: 'foobiloo' };

backend/node_modules/dynamic-dedupe/example/pack2/common/dep-uno/foo.js

@@ -0,0 +1,4 @@
+'use strict';
+
+console.log('loading foo from', __dirname);
+exports =  module.exports = { foo: 'foobiloo' };