Change to node 6

services/chat/.nvmrc

@@ -1 +1 @@
-8.11.1
+6.14.1

services/chat/Jenkinsfile

@@ -12,7 +12,7 @@ pipeline {
     stage('Install') {
       agent {
         docker {
-          image 'node:8.11.1'
+          image 'node:6.14.1'
           args "-v /var/lib/jenkins/.npm:/tmp/.npm -e HOME=/tmp"
           reuseNode true
         }
@@ -31,7 +31,7 @@ pipeline {
     stage('Compile') {
       agent {
         docker {
-          image 'node:8.11.1'
+          image 'node:6.14.1'
           reuseNode true
         }
       }

services/chat/docker-compose.ci.yml

@@ -7,14 +7,14 @@ version: "2"
 
 services:
   test_unit:
-    image: node:8.11.1
+    image: node:6.14.1
     volumes:
       - .:/app
     working_dir: /app
     entrypoint: npm run test:unit:_run
 
   test_acceptance:
-    image: node:8.11.1
+    image: node:6.14.1
     volumes:
       - .:/app
     working_dir: /app

services/chat/docker-compose.yml

@@ -7,14 +7,14 @@ version: "2"
 
 services:
   test_unit:
-    image: node:8.11.1
+    image: node:6.14.1
     volumes:
       - .:/app
     working_dir: /app
     entrypoint: npm run test:unit
 
   test_acceptance:
-    image: node:8.11.1
+    image: node:6.14.1
     volumes:
       - .:/app
     environment: