diff --git a/src/server.js b/src/server.js
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+++ b/src/server.js
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2019-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+(function () {
+    'use strict';
+
+    const express = require('express');
+    const config = require('./config/config.js').service;
+    const bodyParser = require('body-parser');
+    const cors = require('cors');
+    const socketIo = require('./controllers/websocket.js');
+    const eventrouter = require('./controllers/eventrouter.js');
+    const workflowLoader = require('./workflows/loader.js');
+    const logger = require('./config/logger.js');
+    const rest_probe = require('./controllers/rest_probe.js');
+
+    const app = express();
+
+    // Apply middlewares
+    app.use(cors());
+    app.use(bodyParser.json());
+
+    // Set a router for intake interface
+    app.use('/', rest_probe.getRouter());
+
+    const startServer = (port) => {
+        // if is running just return it
+        if(app.server) {
+            return app.server;
+        }
+
+        const server =  app.listen(port || config.port, () => {
+            logger.info(`Express is listening to http://localhost:${port || config.port}`);
+
+            // once server is ready setup WebSocket
+            socketIo.create(server);
+
+            // load built-in workflows
+            let workflows = workflowLoader.loadAllWorkflows();
+            for(let workflow in workflows) {
+                eventrouter.addWorkflow(workflow);
+            }
+        });
+        app.server = server;
+        return server;
+    };
+
+    const stopServer = () => {
+        if(app.server) {
+            socketIo.destroy();
+            app.server.close();
+            app.server = undefined;
+            eventrouter.destroy();
+        }
+    }
+
+    if(!module.parent) {
+        startServer();
+    }
+
+    module.exports = {
+        serviceEvents: eventrouter.serviceEvents,
+        app: app,
+        start: startServer,
+        stop: stopServer
+    };
+})();
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