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Replica: Add ARM64 Docker image support#57

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lucaforni wants to merge 2 commits intomain-modalsourcefrom
aalonzolu-postal-feature/arm64support
Open

Replica: Add ARM64 Docker image support#57
lucaforni wants to merge 2 commits intomain-modalsourcefrom
aalonzolu-postal-feature/arm64support

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Questa PR replica la PR originale: postalserver#3516

Autore originale: @aalonzolu
Branch originale: feature/arm64support
Repository originale: aalonzolu/postal


Adds ARM64 architecture support to Docker images, enabling Postal to run on ARM devices including Apple Silicon Macs, ARM servers, and Raspberry Pi.

Changes:

  • Added QEMU emulation to CI workflow
  • Updated all build jobs to support linux/amd64,linux/arm64 platforms
  • Creates unified multi-architecture manifests for existing image tags

Benefits:

  • ✅ Zero breaking changes for AMD64 users
  • ✅ Same image tags work on both architectures
  • ✅ Enables deployment on modern ARM hardware
  • ✅ Follows existing build strategy and processes

Testing: Multi-architecture builds completed successfully with both AMD64 and ARM64 images compiling without errors.

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