Build multi-arch Docker image (add linux/arm64)#17
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Make the Dockerfile arch-aware via TARGETARCH: Firefox and geckodriver now use per-arch downloads (x86_64/linux64 for amd64, aarch64 for arm64). Google Chrome ships no ARM64 Linux build, so it is installed on amd64 only; arm64 relies on Firefox, which is the tool's default driver. The docker workflow sets up QEMU and builds/pushes both linux/amd64 and linux/arm64. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01KPXpci41uTJi9PS58Xbb2y
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What
The published Docker image was amd64-only. This adds a linux/arm64 build alongside amd64.
Changes
TARGETARCH.linux-x86_64/linux64for amd64,linux-aarch64for arm64).--driver firefox;--driver chromeis simply unavailable on arm64.platforms: linux/amd64,linux/arm64tobuild-push-action, producing a multi-arch manifest.Verification
Built the arm64 image locally and ran it:
Mozilla Firefox 138.0.4✓geckodriver 0.36.0✓google-chromeabsent (expected on arm64) ✓