One of the big advantages of "micro-services" is that for each individual service, you can pick the best language suited for that service. If you're going to pi

One of the big advantages of "micro-services" is that for each individual service, you can pick the best language suited for that service. If you're going to pick a single language (and I agree with kasey_junk on which to pick), then just make a single service, in one language, and split it when you need the isolation or differences in scaling each piece.