downgrade to loopback v2

common/models/professional.js

@@ -1,16 +1,13 @@
 var app = require('../../server/server');
 
 module.exports = function(Professional) {
-  Professional.observe('loaded', (context, next) => {
-    appendFutureAppointmentsCount(context).then(
-      () => next(),
-      (error) => next(error)
-    );
+  Professional.observe('loaded', (context) => {
+    return appendFutureAppointmentsCount(context);
   });
 };
 
 function appendFutureAppointmentsCount(context) {
-  var professional = context.data;
+  var professional = context.instance;
 
   if (!professional) return Promise.resolve();
 

package.json

@@ -14,10 +14,13 @@
     "loopback-boot": "^2.6.5",
     "loopback-component-explorer": "^2.4.0",
     "serve-favicon": "^2.0.1",
-    "loopback": "^3.0.0-alpha.1"
+    "strong-error-handler": "^1.0.1",
+    "loopback-datasource-juggler": "^2.39.0",
+    "loopback": "^2.22.0"
   },
   "devDependencies": {
-    "eslint": "^2.5.3",
+    "eslint": "^2.13.1",
+    "eslint-config-loopback": "^4.0.0",
     "nsp": "^2.1.0"
   },
   "repository": {

server/config.json

@@ -3,9 +3,7 @@
   "host": "0.0.0.0",
   "port": 3000,
   "remoting": {
-    "context": {
-      "enableHttpContext": false
-    },
+    "context": false,
     "rest": {
       "normalizeHttpPath": false,
       "xml": false