Month 2-Filesystems and Image Builds

Goal: by the end of week 8 you can (a) construct an OverlayFS filesystem by hand and explain copy-up, (b) build images with buildah directly (no Dockerfile required), (c) author multi-stage Dockerfiles that produce minimal distroless images, and (d) reason about layer caching, build context, and reproducible builds.

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Weeks

• Week 5 - OverlayFS and Storage Drivers
• Week 6 - buildah: Building Images Without Dockerfiles
• Week 7 - Multi-Stage Builds, Distroless, Minimal Images
• Week 8 - Layer Caching, Build Context, Reproducibility

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