Open-source DevOps course: 18 hands-on labs from Docker to GitOps
_jaydeepkarale · x · 2026-10-31
The open-source DevOps-Core-Course repo walks one real web service through 18 hands-on labs, following a build → integrate → provision → observe → orchestrate → deliver → operate arc that grows a single container into a three-service cluster. Topics span Docker multi-stage builds and distroless images, Trivy scanning, GitHub Actions CI, Terraform/OpenTofu, Ansible with Vault, observability via Loki/Prometheus/Grafana (with Grafana Alloy replacing EOL Promtail), Kubernetes, Helm 4.1, OpenBao secrets, ArgoCD 3.4 GitOps, Argo Rollouts 1.8 canary and blue-green delivery, StatefulSets, and cluster monitoring — plus bonus labs on Cloudflare Workers edge deployment and Nix reproducible builds. Currently 92 stars, 284 forks.
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