feat(storage): add Azure Blob Storage backend - #1263
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Adds @adobe/helix-shared-storage-azure, an AbstractStorageBackend implementation over @azure/storage-blob, mirroring the plug-in shape of helix-shared-storage-s3 (StorageAzure subclass + one-line import swap, HLX_AZURE_STORAGE_CONNECTION_STRING / HLX_AZURE_STORAGE_ACCOUNT_NAME + HLX_AZURE_STORAGE_ACCOUNT_KEY env-driven default factory). Also handles two migration quirks seen when moving content from S3 to Azure: falling back to a content_encoding metadata property when the native Content-Encoding header is empty, and transparently substituting `-`/`_` in metadata keys since Azure metadata names can't contain `-`.
stefan-guggisberg
approved these changes
Sep 4, 2026
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🎉 This PR is included in version @adobe/helix-shared-storage-azure-v1.0.0 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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Summary
@adobe/helix-shared-storage-azure, aStorageBackendimplementation over@azure/storage-blob, mirroringhelix-shared-storage-s3's plug-in shape (StorageAzuresubclass, one-line import swap, env-driven defaultbackendFactory).HLX_AZURE_STORAGE_CONNECTION_STRING, falling back toHLX_AZURE_STORAGE_ACCOUNT_NAME+HLX_AZURE_STORAGE_ACCOUNT_KEY.content_encodingcustom metadata property when the nativeContent-Encodingheader is empty, and transparently substitutes-/_in metadata keys (Azure metadata names can't contain-).Test plan
npm testpasses across all 18 workspace packages (including the new one, with 100% line/branch/statement coverage per.nycrc.json)npm run lintpasses across all workspace packages-/_metadata key round-trip andcontent_encodingfallback against nock-mocked Azure Blob REST responses🤖 Generated with Claude Code