Google Function is still in beta and it is being evaluated and getting better day by day. In terms of best practice for DevOps, it would be pretty similar to what I suggested in the previous chapter, in that I would recommend using a serverless framework for automating deployment in Google Functions. A serverless framework also supplies a template for creating a basic function setup for Node.js. 

Developing a DevOps culture across the organisation and moving from monolithic application to micro-services will have a huge impact. But we should be able to guide the team to follow the right path. This would call for some mentoring and educating the team with new processes and terms. 

We must extend security to the DevOps tools and organization as well. Security should be part of every aspects of DevOps, right from the automated testing, continuous integration...