My defaultAWSDatabase migrations

AWS Database Migration Service

The only migration tool I use. It works.

Migrations are a core part of my work, and DMS has never let me down.

Use it when

Moving on-premises or other-cloud databases into AWS, with ongoing replication until cut-over.

Provisioning

Official Pulumi package · Official Terraform provider

Where it fits

Moving on-premises systems to AWS: Pick 02.
Database migration with replication until cut-over.

Last reviewed 18 October 2026 by Nicolas Dao

Also in Data

Default Neon (serverless Postgres): Default database
Use when Aurora PostgreSQL: AWS-native Postgres
Use when DuckDB: Embedded analytics engine
Use when S3 + Glue + Athena: Data lake
Skip Amazon OpenSearch
Skip Cloudflare D1
Skip Cloudflare Hyperdrive
Never Amazon DynamoDB

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Cloudless Labs is a Sydney consultancy. We migrate on-premises systems to AWS, build serverless apps on this stack, and coach teams to ship with Claude Code and Codex.