flowchart TB
    Start[Start here 🚀] --> Intro[Introduction to Docker<br/>What, Why, How]
    Intro --> Containers[What are Containers<br/>Containers vs VMs]
    Containers --> Arch[Docker Architecture<br/>Client → Daemon → Registry]
    Arch --> Internals[How Containers Work<br/>Namespaces, cgroups, OverlayFS]
    Internals --> Install[Installing Docker]
    Install --> Images[Docker Images
Pull, list, inspect]
    Images --> Layers[Image Layers & Caching
Layer order, build cache]
    Layers --> Running[Docker Containers
Run, stop, exec, logs]
    Running --> CLI[Docker CLI Deep Dive
All core commands]
    CLI --> Networking[Docker Networks
Bridge, host, overlay]
    Networking --> Volumes[Docker Volumes
Persist data]
    Volumes --> Resources[Resource Limits
Memory & CPU limits]
    Resources --> Health[Healthchecks
Auto healing]
    Health --> Advanced[Advanced Docker 🏗️]

    Advanced --> Dockerfile[Deep Dive: Dockerfile
All instructions]
    Dockerfile --> Optimization[Dockerfile Optimization
Smaller, faster builds]
    Optimization --> Multistage[Multi-Stage Builds
Tiny production images]
    Multistage --> BuildKit[BuildKit & Buildx
Modern builds, multi-platform]
    BuildKit --> Compose[Docker Compose
Multi-container apps]
    Compose --> Production[Docker in Production
Deploy, restart policies]
    Production --> Security[Docker Security
Scanning, least privilege]
    Security --> CICD[Docker CI/CD
GitHub Actions integration]

    CICD --> Orchestration[Orchestration 🐝]

    Orchestration --> WhyOrch[Why Orchestration?
Scaling across machines]
    WhyOrch --> Swarm[Docker Swarm
Built-in orchestrator]
    Swarm --> K8s[Intro to Kubernetes
Pods, Deployments, Services]
    K8s --> CICDBack[CICD → Deploy → Done ✅]

    style Start fill:#7c3aed,color:#fff
    style Advanced fill:#7c3aed,color:#fff
    style Orchestration fill:#7c3aed,color:#fff
    style CICDBack fill:#c8e6c9,color:#333