- Containers vs VMs — the mental model that sticks8m · 2 blocks
- Dockerfile mastery: multi-stage, caching, and non-root12m · 2 blocks
- Docker Compose for real apps10m · 2 blocks
- Volumes, bind mounts, and data persistence8m · 2 blocks
- Networking: bridge, overlay, and DNS discovery9m · 2 blocks
- Registries, image tagging, and CI/CD pipelines10m · 2 blocks
- Container security and image hardening11m · 2 blocks
- Observability: Prometheus, Grafana, and cAdvisor12m · 2 blocks