Microservices Architecture – what tools do we use?

Flexibility offered by micro services made this model to be preferred among software architects in the late years.  This trend raised some questions around software engineers:
– What tools do we use?
– What architectural changes are involved and what effort is needed to implement these changes?
We propose you to discuss the solutions used in Orange products.  We’ll point out how we get there, what are the advantages and also what problems we encountered.