Multi-Cloud Lakehouse Blueprint
Architecture blueprint and Terraform templates for Databricks on Azure + AWS with unified governance, cost management, and Delta Sharing.
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Multi-Cloud Lakehouse Blueprint
Product by [Datanest Digital](https://datanest.dev)
Overview
The Multi-Cloud Lakehouse Blueprint is a production-ready architecture package for
organizations building or extending a Databricks Lakehouse across both Microsoft Azure
and Amazon Web Services (AWS). It provides battle-tested Terraform modules, CI/CD
pipelines, governance configurations, and operational runbooks that eliminate months
of cross-cloud integration work.
Who Is This For?
- Platform engineers tasked with deploying Databricks workspaces across Azure and AWS
- Data architects designing multi-cloud data mesh or lakehouse topologies
- Cloud architects evaluating or implementing cross-cloud disaster recovery
- Engineering managers who need cost models and architecture decision records to
justify multi-cloud investments to leadership
What's Included
Documentation
| Document | Description |
|----------|-------------|
| docs/architecture_decision_records.md | 12 ADRs covering when and why to adopt multi-cloud lakehouse |
| docs/network_architecture.md | Cross-cloud connectivity patterns — VPN, peering, Private Link |
| docs/identity_federation.md | Azure AD + AWS IAM federation with SCIM provisioning |
| docs/compliance_matrix.md | GDPR, CCPA, data residency requirements across jurisdictions |
| docs/migration_guide.md | Step-by-step guide to extend Azure-only deployments to multi-cloud |
Terraform Modules
| Module | Description |
|--------|-------------|
| terraform/azure/ | Databricks workspace on Azure with VNet injection and Private Link |
| terraform/aws/ | Databricks workspace on AWS with VPC, NAT, and PrivateLink |
| terraform/shared/unity-catalog-multicloud.tf | Unity Catalog with cross-cloud Delta Sharing |
CI/CD
| Pipeline | Description |
|----------|-------------|
| cicd/multi-cloud-pipeline.yml | Unified Azure DevOps pipeline deploying to both clouds |
Tools
| Tool | Description |
|------|-------------|
| tools/cost_comparison_model.py | Interactive Azure vs AWS DBU pricing comparison calculator |
Disaster Recovery
| Runbook | Description |
|---------|-------------|
| dr/disaster_recovery_patterns.md | Active-passive cross-cloud DR patterns and failover procedures |
Architecture Overview
... continues with setup instructions, usage examples, and more.