Qbec (pronounced like the Canadian province) is a CLI tool that allows you to create Kubernetes objects on multiple Kubernetes clusters or namespaces configured correctly for the target environment in question.
It is based on jsonnet and is similar to other tools in the same space like kubecfg and ksonnet.
For more info, read the docs
Installing
Use a prebuilt binary from the releases page for your operating system.
On MacOS, you can install qbec using homebrew:
$ brew tap splunk/tap
$ brew install qbec
Building from source
git clone git@github.com:splunk/qbec
cd qbec
make install # installs lint tools etc.
makeSign the CLA
Follow the steps here cla-assistant