Yes. It's ubiquitous now. It'll be a bit like everyone around you talking about the "Upside Down". And you have no idea because you never watch tv except for Emily Chang. Plus, you can understand it in under 1 hour:

https://training.docker.com/introduction-to-docker

If you are into Node, I'd also get up to speed with Serverless Deployments and Lambda Functions. Buzzwords, yes. But also modern, powerful and game changing. And most importantly, you won't have to worry about any devops internals ;)

https://cloud.google.com/functions/