The holy grail of sysadmin has always been deployment of immutable images, instead of host system pollution, source code mutation during deployment ... It was

The holy grail of sysadmin has always been deployment of immutable images, instead of host system pollution, source code mutation during deployment ... It was doable with things like Packer, KVM or OpenStack, now it's become easier with containers. You can still orchestrate your stuff with ansible or bash scripts. I most certainly remember how I was doing isolated deployments 10 years ago: https://github.com/jpic/bashworks/tree/master/vps https://github.com/jpic/bashworks/tree/master/vps HINT: it's much cleaner and much more automated with containers: with GitLab-CI it's trivial to host a private container bulding infrastructure with a registry and other automation ...