🐳 Docker Phase 1 Lab — Container Foundations

Bài tập thực hành cho Docker Phase 1 Masterclass. Bao gồm 3 nhóm bài tập theo tier:

Tier 1: Container Foundations

VM vs Container, Docker Architecture, Container Lifecycle CLI.

Tier 2: Building Images

Dockerfile Anatomy, Layer Caching, Multi-stage Builds, Hadolint.

Tier 3: Compose & Orchestration

Service Discovery, Healthchecks, depends_on, Bad→Good Dockerfile.