From 41f8589b6434b96c846ff67ceb212c70ff4ba46c Mon Sep 17 00:00:00 2001
From: midudev <miduga@gmail.com>
Date: Sun, 8 Aug 2021 21:24:40 +0200
Subject: [PATCH] Add healthcheck and do rollback if not working

---
 .github/workflows/pipeline.yml | 2 ++
 app.js                         | 9 +++++++++
 package.json                   | 4 ++--
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index f3e4b40..4771f8a 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -35,3 +35,5 @@ jobs:
           heroku_api_key: ${{secrets.HEROKU_API_KEY}}
           heroku_app_name: ${{secrets.HEROKU_APP}}
           heroku_email: ${{secrets.HEROKU_API_EMAIL}}
+          healthcheck: "https://${{secrets.HEROKU_APP}}/health"
+          rollbackonhealthcheckfailed: true
diff --git a/app.js b/app.js
index ba924d9..bcdac8f 100644
--- a/app.js
+++ b/app.js
@@ -1,9 +1,18 @@
 const express = require('express')
 const app = express()
+const { version } = require('./package.json')
 
 // Heroku dynamically sets a port
 const PORT = process.env.PORT || 5000
 
+app.get('/health', (req, res) => {
+  res.send('ok')
+})
+
+app.get('/version', (req, res) => {
+  res.send(version)
+})
+
 app.use(express.static('dist'))
 
 app.listen(PORT, () => {
diff --git a/package.json b/package.json
index 98d3366..145e5b8 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,9 @@
   "description": "Full Stack Open",
   "main": "src/index.js",
   "scripts": {
-    "start": "webpack-dev-server --open --mode development",
+    "dev": "webpack-dev-server --open --mode development",
     "start-test": "NODE_ENV=test node app.js",
-    "start-prod": "node app.js",
+    "start": "node app.js",
     "test": "jest",
     "eslint": "eslint './**/*.{js,jsx}'",
     "build": "webpack --mode production",