I’ve been working on the Golang server part for a few days, every time I modify the code I have to build an image to be able to test my code, I was asking myself this question 
“is it possible to start a Golang server without building one picture ?”
You can use the official documentation to check on how to ease up and make your development flow quicker.
To answer your question, use make watch in server directory to quickly build and watch on changes.
it’s good for me, thank you very much