Docker

Complete guide to installing Docker on Linux, macOS, and Windows.

Understanding Docker images and containers - the core concepts.

Quick reference for essential Docker commands.

Working with Docker Hub and private registries.

Writing Dockerfiles to build custom images.

Optimize Dockerfiles for smaller, faster, and more secure images.

Use multi-stage builds for smaller, optimized production images.

Dynamic builds with ARG, ENV, and build-time variables.

Define and run multi-container applications with Docker Compose.

Advanced service configuration in Docker Compose.

Configure networks for service communication in Docker Compose.

Manage persistent data with volumes in Docker Compose.

Manage configuration with environment variables in Docker Compose.

Production-ready Docker Compose configurations.

Understanding Docker network drivers and types.

Configure bridge networks for container communication.

Use host networking mode for maximum performance and direct host access.

Configure DNS resolution and service discovery in Docker networks.

Persist data with Docker volumes for stateful applications.

Mount host directories into containers with bind mounts.

Secure Docker containers with defense-in-depth strategies.

Securely manage sensitive data in Docker containers.

Scan Docker images for vulnerabilities and security issues.