Docker - Interview Guides - Your Interview Questions Answered

Docker Fundamentals

Covers the need for Docker, its core benefits, challenges before Docker, and a comparison with VMs

Focuses on crafting Dockerfiles, building/tagging images, and optimizing builds with multi-stage strategies

Focuses on crafting Dockerfiles, building/tagging images, and optimizing builds with multi-stage strategies

Discusses data persistence, the use of volumes and bind mounts, and strategies for sharing data between containers

Explores Docker’s networking modes, network management commands, and multi-container orchestration with Docker Compose

Covers approaches to diagnosing container issues, inspecting logs, and gathering system-level Docker insights

Introduces distroless images and discusses common challenges faced in production environments

Focuses on securing containers, running non-root, limiting permissions, health checks, and vulnerability management

Highlights various release/deployment strategies including recreate, canary, A/B testing, rolling, blue-green, and shadow deployments

Examines Docker’s role in CI/CD pipelines, contrasts Docker Swarm with Kubernetes, and outlines Docker best practices

Reference guide that summarizes critical Docker commands and options