Docker Tutorial

Learn how to order Dockerfile instructions and leverage build cache to speed up image builds, reduce rebuild times, and improve CI/CD efficiency.

Learn to configure Docker containers to run as a non-root user for improved security. This lesson covers the core concept, step-by-step implementation, and practical exercises to apply the principle in your Dockerfiles.

Use Docker secrets for sensitive data — Docker.

Implement container health check probes in Docker. This lesson covers why probes matter, how to define HEALTHCHECK and readiness endpoints, and hands-on steps to configure them. Includes troubleshooting, edge cases, and what to learn next.

Master container debugging using 'docker exec' for live inspection and 'docker logs' for output analysis. Learn step-by-step techniques, compare options, and troubleshoot common issues.

Learn to create multi-architecture Docker images with practical hands-on steps. Master cross-platform builds, manifest tooling, and troubleshooting for ARM64 and AMD64 targets in this Docker tutorial.

Set up a Docker registry with authentication in this practical tutorial. Learn to configure TLS, create user credentials, and deploy a secure private registry for your container images.

Learn to orchestrate multi-service stacks with Docker Compose. This lesson covers core concepts, hands-on walkthroughs, troubleshooting, and next steps for progressive mastery.

Deploy Docker stacks with Swarm mode. This lesson teaches how to use Docker Swarm to deploy multi-service applications as stacks, including practical exercises and next-step guidance.

Master Docker contexts to manage and deploy your containers across remote Docker hosts seamlessly, enhancing your DevOps workflow.

Build a CI/CD pipeline using Docker and GitHub Actions. This lesson walks through creating automated builds, tests, and deployments with containerized workflows in a hands-on exercise.