Containers revolutionized software delivery. Learn Docker from the ground up to production-grade multi-container architectures.
Building, tagging, layering and optimizing images
Container lifecycle, run, exec, inspect and manage containers
FROM, RUN, COPY, EXPOSE, CMD, ENTRYPOINT and best practices
Multi-container apps, services, volumes, networks in YAML
Bind mounts, named volumes, tmpfs and data persistence
Bridge, host, overlay networks and container communication
Docker Hub, ECR, GCR, private registries and image scanning
Reducing image size with multi-stage Dockerfiles
Create, start, stop, restart, pause, remove — full lifecycle
How Docker images are built in layers and cached for efficiency.
Writing efficient, secure, and minimal Dockerfiles.
Bridge, host, and overlay networks — how containers communicate.
Orchestrating multi-container applications locally.
Install Docker, run your first container, write a Dockerfile, and use docker-compose up.
Multi-stage builds, volume management, custom networks, and pushing to a private registry.
Container security scanning, rootless Docker, BuildKit, and production-grade Compose setups.
This domain is a core requirement for senior engineering roles.
Jump into interactive sandboxes and solve real-world Containers & Docker challenges.