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DE🐳 Docker Architecture Explained
This diagram shows how Docker powers containerization and modern DevOps workflows:
🔹 Developer writes code and defines a Dockerfile
🔹 Build creates a Docker Image → stored in a Registry (like DockerHub/ECR)
🔹 Docker Engine on the Host runs containers (Client + Daemon + REST API + containerd)
🔹 Uses Linux namespaces/cgroups for isolation and resource control
🔹 Networking modes: bridge, host, none, overlay2
🔹 Supports Volumes & Networks for persistent storage and communication
🔹 Works with Compose for multi-container apps
🔹 Scales via Swarm or Kubernetes for orchestration
🔹 Integrated with CI/CD, Monitoring, Security Scanning, and Secrets management
👉 In short: Docker makes apps portable, consistent, and scalable across any environment.
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