Docker

Install Docker Engine on Ubuntu 24.04 and run your first container. Covers docker run, images, containers, Dockerfile fundamentals, and rootless Docker setup.

Orchestrate multi-container sovereign stacks with Docker Compose. Covers compose.yaml structure, service dependencies, .env files, healthchecks, and named volumes.

Docker networking for sovereign deployments: bridge, host, and overlay networks, container DNS resolution, exposed vs published ports, and multi-container communication.

Persist data in sovereign Docker deployments: named volumes, bind mounts, tmpfs, volume drivers, and backup strategies for stateful containerised services.

Harden Docker for sovereign production: rootless containers, Docker Hardened Images (DHI), non-root users, read-only filesystems, Trivy scanning, and EU CRA SBOM generation.

Self-host a private Docker registry with Harbor or distribution/registry. Covers TLS setup, authentication, image signing with Cosign, and garbage collection.