St monitoring 5

.gitignore

@@ -1 +1,4 @@
-node_modules
+node_modules
+spm*
+.env
+sample-github.js

Dockerfile

@@ -16,4 +16,4 @@ COPY . .
 EXPOSE 3000
 
 # Start Node server
-CMD [ "npm", "start" ]
+CMD [ "npm", "run", "server" ]

app.js

@@ -1,6 +1,57 @@
+// Load env vars
+require('dotenv').config()
+// require stMonitor agent
+// const { stMonitor, stLogger } = require('sematext-agent-express')
+// Start monitoring metrics
+// stMonitor.start()
+
 const express = require('express')
 const app = express()
-app.get('/', async (req, res, next) => {
-  res.status(200).send('Hello World!')
+
+const err = new Error('this broke')
+
+const errStack = `TypeError: Cannot create property 'Symbol(level)' on string 'Tick Tock'
+  at DerivedLogger.log (/home/raha/code/express-docker-app/node_modules/winston/lib/winston/logger.js:208:20)
+  at Timeout.setInterval [as _onTimeout] (/home/raha/code/express-docker-app/app.js:11:28)
+  at ontimeout (timers.js:436:11)
+  at tryOnTimeout (timers.js:300:5)
+  at listOnTimeout (timers.js:263:5)
+  at Timer.processTimers (timers.js:223:10)`
+
+setInterval(() => {
+  console.info(`
+    Tick Tock
+    LOGS_ENABLED_DEFAULT=true
+    LOGS_ENABLED=true/false
+  `)
+}, 3000)
+
+app.get('/', (req, res, next) => {
+  // stLogger.info('Hello World.')
+  // stLogger.debug('Hello debug.')
+  // stLogger.warn('Some warning.')
+  // stLogger.error(err)
+  // throw err
+  console.log('inside /')
+  res.status(200).send('Hello World.')
 })
-app.listen(3000, () => console.log('Server is running on port 3000'))
+
+app.get('/err', (req, res, next) => {
+  // stLogger.info('Hello World.')
+  // stLogger.debug('Hello debug.')
+  // stLogger.warn('Some warning.')
+  // stLogger.error(err)
+  // console.dir(err)
+  throw err
+  // res.status(200).send('Hello World.')
+})
+
+function errorHandler (err, req, res, next) {
+  console.error(err)
+  console.log('inside errorHandler')
+  res.status(err.status || 500).send(err.message)
+}
+
+app.use(errorHandler)
+
+module.exports = app

cluster.js

@@ -0,0 +1,15 @@
+const cluster = require('cluster')
+const numCPUs = require('os').cpus().length
+const app = require('./app')
+const port = process.env.PORT || 3000
+
+const masterProcess = () => Array.from(Array(numCPUs)).map(cluster.fork)
+const childProcess = () => app.listen(port)
+
+if (cluster.isMaster) {
+  masterProcess()
+} else {
+  childProcess()
+}
+
+cluster.on('exit', () => cluster.fork())

docker-compose.yml

@@ -1,13 +1,15 @@
 version: "3"
 services:
-  app:
+  app-1:
     build:
       context: ./
       dockerfile: Dockerfile
-    image: adnanrahic/express-docker-app
+    image: express-docker-app:test-1
+    environment:
+      - LOGS_ENABLED=false
     deploy:
       mode: replicated
-      replicas: 6
+      replicas: 1
       labels: [APP=APP]
       update_config:
         parallelism: 1
@@ -16,4 +18,43 @@ services:
         condition: on-failure
         delay: 5s
     ports:
-      - "80:3000"
+      - "80:3000"
+
+  app-2:
+    build:
+      context: ./
+      dockerfile: Dockerfile
+    image: express-docker-app:test-1
+    environment:
+      - LOGS_ENABLED=true
+    deploy:
+      mode: replicated
+      replicas: 1
+      labels: [APP=APP]
+      update_config:
+        parallelism: 1
+        delay: 10s
+      restart_policy:
+        condition: on-failure
+        delay: 5s
+    ports:
+      - "8080:3000"
+
+  st-logagent:
+    # build:
+    #   context: ../sematext/logagent-js/
+    #   dockerfile: Dockerfile
+    image: 'sematext/logagent:dev'
+    environment: 
+      - LOGS_ENABLED_DEFAULT=true
+      - LOGS_TOKEN=5905c3e9-889c-4064-bf04-8e140963c880 
+      - LOGS_RECEIVER_URL=https://logs-token-receiver.apps.test.sematext.com 
+      - EVENTS_RECEIVER_URL=https://event-receiver.apps.test.sematext.com 
+    deploy:
+      mode: global
+    cap_add: 
+      - SYS_ADMIN  
+    restart: always 
+    volumes: 
+      - '/var/run/docker.sock:/var/run/docker.sock' 
+