Ready to kick your operations up a notch? Here are some of the essential pieces.
Docker - https://www.docker.com/
Container orchestration handles all that stuff you usually write oodles of shell scripts for. Watching health, cycling bad nodes/apps, verifying and provisioning resources.
Pick one from the list below:
Kubernetes
Amazon Elastic Kubernetes Services https://aws.amazon.com/eks/
Kops (build prod ready clusters instantly) - https://github.com/kubernetes/kops
Amazon Elastic Container Service (ecs) - https://aws.amazon.com/ecs/
Need to do something in aws/gce/azure, or on a vanilla host?
Package management/desired state config
Ansible - https://www.ansible.com/
Ansible Packages - https://galaxy.ansible.com/
Windows Chocolatey - https://chocolatey.org/
Host/Resource Management
Terraform - https://www.terraform.io/
Jenkins
Pipelines - https://jenkins.io/doc/book/pipeline/
Blue Ocean - https://jenkins.io/doc/book/blueocean/