Docker Basics MCQ
Test your Docker fundamentals with 30 multiple-choice questions covering images, containers, Dockerfile, networking, volumes, and Docker …
Jun 28, 2026
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Docker
32 articles
DevOps Starter
First steps into DevOps — Linux basics, Git, Docker, and your first CI pipeline.
Jun 20, 2026
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How to Install and Configure Docker on Ubuntu 24.04
A complete step-by-step guide to installing Docker on Ubuntu 24.04 LTS — covering installation, post-install setup, Docker Compose, firewall …
Apr 8, 2026
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Bash + Docker
Scripting Docker operations from Bash — container entrypoints, health-check waits, cleanup automation, and building images in CI.
Jan 20, 2026
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What is Container Orchestration?
Learn what container orchestration means, why it is essential for managing containers at scale, and how Kubernetes implements orchestration …
Jan 19, 2026
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Docker for absolute beginners
A complete, hands-on Docker course - from zero to production. Learn containers, images, volumes, networking, Docker Compose, and Swarm with …
Jan 15, 2026
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01-Kubernetes Architecture Deep Dive
Understand what Docker is, why it exists, and how it solves the 'it works on my machine' problem with containerization.
Jan 15, 2026
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Docker Interview Questions & Answers Part 02
Docker interview questions about architecture, troubleshooting, image security, operations, and deployment rollbacks.
Apr 26, 2025
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DevOps Engineer Learning Path
A complete roadmap to becoming a DevOps Engineer. Master CI/CD pipelines, Docker, Kubernetes, Terraform, monitoring, and GitOps — from zero …
Jan 22, 2025
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12. Security and Best Practices
Review image inputs, runtime permissions, secrets, and release practices.
Jan 1, 0001
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11. Logs, Health, and Resources
Inspect an application's process, logs, and resource use.
Jan 1, 0001
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10. Docker Compose
Describe and manage a local application using a Compose file.
Jan 1, 0001
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9. Volumes and Bind Mounts
Persist application data beyond the lifetime of a container.
Jan 1, 0001
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8. Networking and Ports
Distinguish host ports, container ports, and container-to-container networking.
Jan 1, 0001
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7. Build Context and Cache
Understand what a build can copy and how to keep rebuilds efficient.
Jan 1, 0001
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6. Dockerfile Basics
Build a small web image and distinguish build-time and runtime instructions.
Jan 1, 0001
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5. Images and Registries
Work with image names, tags, digests, pulls, and local metadata.
Jan 1, 0001
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Run a Compose Project
Manage two services and verify service-name networking.
Jan 1, 0001
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4. Container Lifecycle
Create, start, inspect, stop, and remove a container.
Jan 1, 0001
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Persist Container Data
Prove that data in a named volume survives container removal.
Jan 1, 0001
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Data Disappears After Container Recreation
Diagnose storage mounted at the wrong path or omitted during replacement.
Jan 1, 0001
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Check a Container's Web Response
Combine container state with an HTTP check in a Bash script.
Jan 1, 0001
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3. Docker Architecture
Trace a Docker command through the client, daemon, registry, and runtime.
Jan 1, 0001
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Build an Image with an Explicit Tag
Automate a local build with input checks and an explicit release tag.
Jan 1, 0001
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Build a Custom Image
Package a static page, rebuild it, and compare versions.
Jan 1, 0001
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A Running Container Is Unreachable
Separate application binding, published ports, and network connectivity.
Jan 1, 0001
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2. Installation and Verification
Prepare Docker Engine or Desktop and verify the CLI, daemon, and Compose.
Jan 1, 0001
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Run a Web Container
Practice container lifecycle, port publishing, and logs.
Jan 1, 0001
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Docker Roadmap
A practical roadmap for learning Docker for DevOps, cloud automation, interviews, and production scripting.
Jan 1, 0001
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Container Status Report
Create a read-only Bash report of container state.
Jan 1, 0001
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A Container Exits Immediately
Diagnose a short-lived main process or startup failure.
Jan 1, 0001
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1. Introduction to Docker
Understand containers, images, and how Docker fits into DevOps.
Jan 1, 0001
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