Docker Build Tutorials

Last reviewed on 2026-09-25

Step-by-step guides to building Docker images: from your first docker build to layer optimization, build caching, multi-stage and multi-arch builds, and hardening.

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Showing 7 of 7 tutorials

Docker Build Basics

Beginner 10 min read

Learn the fundamentals of building Docker images with best practices for efficiency and security.

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Multi-stage Builds

Intermediate 15 min read

Create smaller, more efficient images by using multi-stage builds to separate build and runtime environments.

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Optimizing Docker Layers

Advanced 20 min read

Improve build performance and reduce image size by organizing your layers effectively.

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Docker Build Caching Techniques

Intermediate 18 min read

Learn how to leverage Docker's caching mechanisms to speed up your builds significantly.

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Securing Docker Builds

Advanced 25 min read

Best practices for building secure Docker images and avoiding common security pitfalls.

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Choosing a Base Image

Intermediate 12 min read

A decision guide for picking between Alpine, Debian/Ubuntu slim, distroless, and scratch — covering size, glibc vs musl, debuggability, and security trade-offs.

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Multi-architecture builds with buildx

Advanced 15 min read

Build and ship a single image that runs on amd64 and arm64. Covers QEMU emulation, native runners, cross-compilation, and a working CI workflow.

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