Blog Archives: Blog (page 2)

Learn how to run Docker containers securely — non-root users, read-only filesystems, capability limits, secret management, and image vulnerability scanning.

Learn how Docker Compose v2 works — define, build, and run multi-container applications with a single YAML file and a single command.

Learn the three Docker storage types — volumes, bind mounts, and tmpfs — and how to use them to persist data outside a container so it survives restarts and replacements.

Learn how Docker networking works — bridge, host, overlay, and macvlan drivers — and how to connect containers so they can communicate over a private network.

Learn how to write a Dockerfile, build a custom image, understand the layer cache, and serve your own web content with a custom Nginx container.

Understand the real differences between containers and virtual machines — how each one works under the hood, their pros and cons, and when to use which.

Learn what Docker is, understand containers and images, and run your first containerized web server with Docker or Podman — no setup complexity required.