Docker
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Why this exists The server room is no longer all Intel. AWS Graviton, Azure Cobalt and Ampere instances run ARM at a lower price, and developers on Apple Silicon laptops build on ARM and deploy to x86. An image built…
Multi-Architecture Builds with buildx: amd64 and arm64 Images, Cross-Compiling and a Shared Build Cache
Build one image tag that works on Intel and ARM servers, run each variant, see why emulating a compiler is roughly seven times slower than cross-compiling (227 s against 30 s, measured), and share the build cache through a registry.
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