nodejs-loopback: upgrade/add application dependencies

To develop the application independent of the base image, we need to set up
dependencies in application's package.json file.

incubator/nodejs-loopback/image/project/package.json

@@ -1,6 +1,6 @@
 {
   "name": "nodejs-loopback",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "description": "Node.js LoopBack 4 Stack",
   "license": "Apache-2.0",
   "repository": {
@@ -22,24 +22,25 @@
     "@loopback/context": "^1.23.4",
     "@loopback/core": "^1.10.6",
     "@loopback/extension-health": "^0.2.10",
+    "@loopback/extension-metrics": "^0.1.0",
     "@loopback/openapi-v3": "^1.10.0",
     "@loopback/repository": "^1.15.3",
     "@loopback/rest": "^1.22.0",
     "@loopback/rest-explorer": "^1.4.3",
     "@loopback/service-proxy": "^1.3.10"
   },
   "devDependencies": {
-    "@loopback/build": "^2.0.15",
-    "@loopback/eslint-config": "^4.1.3",
-    "@loopback/testlab": "^1.9.3",
+    "@loopback/build": "^2.0.16",
+    "@loopback/eslint-config": "^4.1.4",
+    "@loopback/testlab": "^1.9.4",
     "@types/node": "^12.12.5",
-    "@typescript-eslint/eslint-plugin": "^2.6.0",
-    "@typescript-eslint/parser": "^2.6.0",
+    "@typescript-eslint/eslint-plugin": "^2.7.0",
+    "@typescript-eslint/parser": "^2.7.0",
     "eslint": "^6.6.0",
     "eslint-config-prettier": "^6.5.0",
     "eslint-plugin-eslint-plugin": "^2.1.0",
     "eslint-plugin-mocha": "^6.2.1",
     "source-map-support": "^0.5.16",
-    "typescript": "^3.6.4"
+    "typescript": "^3.7.2"
   }
 }

incubator/nodejs-loopback/image/project/src/index.ts

@@ -6,6 +6,8 @@ import {ApplicationConfig, Constructor} from '@loopback/core';
 import {Bootable} from '@loopback/boot';
 import {RestApplication} from '@loopback/rest';
 import {HealthComponent} from '@loopback/extension-health';
+import {MetricsComponent} from '@loopback/extension-metrics';
+import * as path from 'path';
 
 // The user-app is mounted from the template
 const userAppModule = '../user-app';
@@ -15,8 +17,11 @@ export type BootableRestApplication = RestApplication & Bootable;
 export const DemoApplication: Constructor<BootableRestApplication> = userApp.DemoApplication;
 
 export async function main(options: ApplicationConfig = {}) {
+  // Set the current directory to the user-app module
+  process.chdir(path.join(__dirname, userAppModule));
   const app = new DemoApplication(options);
   app.component(HealthComponent);
+  app.component(MetricsComponent);
   await app.boot();
   await app.start();
 

incubator/nodejs-loopback/stack.yaml

@@ -1,5 +1,5 @@
 name: LoopBack 4
-version: 0.1.6
+version: 0.1.7
 description: LoopBack 4 API Framework for Node.js
 maintainers:
   - name: Raymond Feng

incubator/nodejs-loopback/templates/scaffold/.yo-rc.json

@@ -1,5 +1,5 @@
 {
   "@loopback/cli": {
-    "version": "1.21.3"
+    "version": "1.25.1"
   }
 }