Set up CI with Azure Pipelines with javascript docker with nodejs

[skip ci]

Author: teevanee

azure-pipelines.yml

@@ -0,0 +1,16 @@
+trigger:
+ - main
+
+ pool:
+   vmImage: 'ubuntu-latest' 
+
+ variables:
+   imageName: 'pipelines-javascript-docker'
+
+ steps:
+ - task: Docker@2
+   displayName: Build an image
+   inputs:
+     repository: $(imageName)
+     command: build
+     Dockerfile: app/Dockerfile