nodejs-loopback: upgrade LoopBack stack to latest releases (#863)

* nodejs-loopback: upgrade LoopBack stack to latest releases

Signed-off-by: Raymond Feng <enjoyjava@gmail.com>

* feat: use node as the non-root user for the container

Signed-off-by: Raymond Feng <enjoyjava@gmail.com>

incubator/nodejs-loopback/README.md

@@ -10,10 +10,10 @@ based on [LoopBack 4](https://github.com/strongloop/loopback-next).
 The image contains the main code that loads the user application and configures
 with the following components to help the application become cloud native:
 
-- `@loopback/extension-health`: exposes `/health` endpoint for health checks
+- `@loopback/health`: exposes `/health` endpoint for health checks
  including with `/ready` for readiness and `/live` for liveness checks.
 
-- `@loopback/extension-metrics`: exposes `/metrics` endpoint for metrics data
+- `@loopback/metrics`: exposes `/metrics` endpoint for metrics data
  that can be scraped by (Prometheus)[https://prometheus.io/].
 
 The project layout is structured as follows:

incubator/nodejs-loopback/image/Dockerfile-stack

@@ -1,5 +1,6 @@
-FROM appsody/nodejs:0.3
+FROM appsody/nodejs:0.4
 
+ENV APPSODY_PROJECT_DIR=/project
 ENV APPSODY_MOUNTS=/:/project/user-app
 ENV APPSODY_DEPS=/project/user-app/node_modules
 
@@ -17,6 +18,7 @@ ENV APPSODY_RUN_KILL=true
 ENV APPSODY_DEBUG="npm run debug"
 ENV APPSODY_DEBUG_ON_CHANGE="npm run pretest --prefix user-app && npm run debug"
 ENV APPSODY_DEBUG_KILL=true
+ENV APPSODY_DEBUG_PORT=9229
 
 ENV APPSODY_TEST="npm test && npm test --prefix user-app"
 ENV APPSODY_TEST_ON_CHANGE=""
@@ -25,6 +27,7 @@ ENV APPSODY_TEST_KILL=false
 COPY ./LICENSE /licenses/
 COPY ./project /project
 COPY ./config /config
+
 WORKDIR /project
 RUN npm install && npm run pretest
 

incubator/nodejs-loopback/image/project/Dockerfile

@@ -3,7 +3,6 @@ FROM node:12
 
 # Copying individual files/folders as buildah 1.9.0 does not honour .dockerignore
 COPY *.json /project/
-COPY *.ts /project/
 COPY user-app /project/user-app
 COPY src /project/src
 
@@ -20,7 +19,7 @@ WORKDIR /project/user-app
 RUN npm install
 
 # Creating a tar to work around poor copy performance when using buildah 1.9.0
-RUN cd / && tar czf project.tgz project
+RUN cd / && tar czf /project.tgz project
 
 # Copy the dependencies into a slim Node docker image
 FROM node:12-slim
@@ -38,4 +37,4 @@ ENV PORT 3000
 
 USER node
 
-CMD ["npm", "start"]
+CMD ["npm", "start"]

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

@@ -9,6 +9,7 @@
  "directory": "incubator/nodejs-loopback/image/project"
  },
  "main": "dist/index.js",
+ "type": "dist/index.d.ts",
  "scripts": {
  "build": "lb-tsc",
  "clean": "lb-clean dist *.tsbuildinfo",
@@ -18,29 +19,29 @@
  "test": "lb-mocha --allow-console-logs \"dist/__tests__\""
  },
  "dependencies": {
- "@loopback/boot": "^2.0.2",
- "@loopback/context": "^3.2.0",
- "@loopback/core": "^2.2.0",
- "@loopback/extension-health": "^0.3.2",
- "@loopback/extension-metrics": "^0.2.2",
- "@loopback/openapi-v3": "^3.1.1",
- "@loopback/repository": "^2.0.2",
- "@loopback/rest": "^3.1.0",
- "@loopback/rest-explorer": "^2.0.2",
- "@loopback/service-proxy": "^2.0.2"
+ "@loopback/boot": "^3.1.1",
+ "@loopback/context": "^3.13.1",
+ "@loopback/core": "^2.13.0",
+ "@loopback/health": "^0.6.1",
+ "@loopback/metrics": "^0.5.1",
+ "@loopback/openapi-v3": "^5.1.1",
+ "@loopback/repository": "^3.2.1",
+ "@loopback/rest": "^9.1.0",
+ "@loopback/rest-explorer": "^3.0.4",
+ "@loopback/service-proxy": "^3.0.4"
  },
  "devDependencies": {
- "@loopback/build": "^5.0.0",
- "@loopback/eslint-config": "^6.0.2",
- "@loopback/testlab": "^2.0.2",
- "@types/node": "^10.17.17",
- "@typescript-eslint/eslint-plugin": "^2.25.0",
- "@typescript-eslint/parser": "^2.25.0",
- "eslint": "^6.8.0",
- "eslint-config-prettier": "^6.10.1",
- "eslint-plugin-eslint-plugin": "^2.2.1",
- "eslint-plugin-mocha": "^6.3.0",
- "source-map-support": "^0.5.16",
- "typescript": "~3.8.3"
+ "@loopback/build": "^6.2.7",
+ "@loopback/eslint-config": "^10.0.3",
+ "@loopback/testlab": "^3.2.9",
+ "@types/node": "^10.17.45",
+ "@typescript-eslint/eslint-plugin": "^4.8.1",
+ "@typescript-eslint/parser": "^4.8.1",
+ "eslint": "^7.13.0",
+ "eslint-config-prettier": "^6.15.0",
+ "eslint-plugin-eslint-plugin": "^2.3.0",
+ "eslint-plugin-mocha": "^8.0.0",
+ "source-map-support": "^0.5.19",
+ "typescript": "~4.0.5"
  }
 }

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

@@ -5,9 +5,9 @@
 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';
+import {HealthComponent} from '@loopback/health';
+import {MetricsComponent} from '@loopback/metrics';
+import path from 'path';
 
 // The user-app is mounted from the template
 const userAppModule = '../user-app';

incubator/nodejs-loopback/stack.yaml

@@ -1,5 +1,5 @@
 name: LoopBack 4
-version: 0.3.0
+version: 0.4.0
 description: LoopBack 4 API Framework for Node.js
 maintainers:
  - name: Raymond Feng

incubator/nodejs-loopback/templates/scaffold/.eslintignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 coverage/
+.eslintrc.js

incubator/nodejs-loopback/templates/scaffold/README.md

@@ -1,7 +1,79 @@
 # nodejs-loopback-scaffold
 
-This project is originally generated using `lb4` command from `@loopback/cli`. See [Getting started with LoopBack 4](https://loopback.io/doc/en/lb4/Getting-started.html) for more details.
+This application is generated using [LoopBack 4 CLI](https://loopback.io/doc/en/lb4/Command-line-interface.html) with the
+[initial project layout](https://loopback.io/doc/en/lb4/Loopback-application-layout.html).
 
-It has been slightly tailored as a template for `appsody`.
+## Install dependencies
 
-[![LoopBack](https://github.com/strongloop/loopback-next/raw/master/docs/site/imgs/branding/Powered-by-LoopBack-Badge-(blue)-@2x.png)](http://loopback.io/)
+By default, dependencies were installed when this application was generated.
+Whenever dependencies in `package.json` are changed, run the following command:
+
+```sh
+npm install
+```
+
+To only install resolved dependencies in `package-lock.json`:
+
+```sh
+npm ci
+```
+
+## Run the application
+
+```sh
+npm start
+```
+
+You can also run `node .` to skip the build step.
+
+Open http://127.0.0.1:3000 in your browser.
+
+## Rebuild the project
+
+To incrementally build the project:
+
+```sh
+npm run build
+```
+
+To force a full build by cleaning up cached artifacts:
+
+```sh
+npm run clean
+npm run build
+```
+
+## Fix code style and formatting issues
+
+If `eslint` and `prettier` are enabled for this project, you can use the
+following commands to check code style and formatting issues.
+
+```sh
+npm run lint
+```
+
+To automatically fix such issues:
+
+```sh
+npm run lint:fix
+```
+
+## Other useful commands
+
+- `npm run migrate`: Migrate database schemas for models
+- `npm run openapi-spec`: Generate OpenAPI spec into a file
+- `npm run docker:build`: Build a Docker image for this application
+- `npm run docker:run`: Run this application inside a Docker container
+
+## Tests
+
+```sh
+npm test
+```
+
+## What's next
+
+Please check out [LoopBack 4 documentation](https://loopback.io/doc/en/lb4/) to
+understand how you can continue to add features to this application.
+
+[![LoopBack](<https://github.com/strongloop/loopback-next/raw/master/docs/site/imgs/branding/Powered-by-LoopBack-Badge-(blue)-@2x.png>)](http://loopback.io/)