Docker - Docker is an open platform that enables developers and system administrators to create distributed applications.
Portainer - Simple management UI for Docker
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
k3s - K3s is a lightweight Kubernetes distribution by Rancher Labs intended for IoT, Edge, and cloud deployments.
Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Helm.sh - The Kubernetes Package Manager