Master DevOps Tools with Real Practice
Step-by-step lessons that guide you through essential DevOps tools in your own terminal. No simulators, no sandboxesβjust real practice, real skills.
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Each command explained with what it does, why it matters, and what to expect
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Share your story βDay 47: Bridge vs Host Networking in Docker
Choosing the wrong network mode can either break container isolation or add unnecessary latency.
# Bridge networking (default) β isolated, requires port mapping
docker run -d -p 8080:80 --name web-bridge nginx
# Access via http://localhost:8080
# Host networking β shares host network, no port mapping needed
docker run -d --network host --name web-host nginx
# Access via http://localhost:80 (uses host port directly)
# Create a custom bridge network for container-to-container DNS
docker network create my-app
docker run -d --network my-app --name api my-api
docker run -d --network my-app --name db postgres
# 'api' container can reach 'db' by name: postgres://db:5432
# Inspect a container's network settings
docker inspect --format='{{.NetworkSettings.Networks}}' web-bridgeQuick Start
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Git Fundamentals
14 lessons available
Master version control with Git. Learn branching, merging, and collaboration workflows.
Start Git TrackDocker Essentials
11 lessons available
Learn containerization with Docker. Build, ship, and run applications in isolated containers.
Start Docker TrackKubernetes
15 lessons available
Master container orchestration. Deploy, scale, and manage containerized applications.
Start Kubernetes TrackLinux & Bash
8 lessons available
Master the command line with Linux and Bash. Learn file operations, text processing, and scripting.
Start Linux TrackCI/CD
16 lessons available
Automate build, test, and deployment pipelines. Learn GitHub Actions and deployment strategies.
Start CI/CD TrackBuild Real-World DevOps Pipelines
Apply everything you've learned by building complete end-to-end projects. Integrate multiple tools and see the full DevOps workflow in action.
Full CI/CD Pipeline Project
Build a complete production-ready pipeline from scratch. Take a Node.js app from code commit through automated testing, Docker containerization, and Kubernetes deployment using GitHub Actions.
Prerequisites:
More projects coming soon: Terraform Infrastructure, Monitoring Stack, Multi-Cloud Deployment...
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