AWS Transform Custom: Automating .NET Lambda Runtime Upgrades

This article demonstrates how to use AWS Transform Custom to automate .NET Lambda runtime upgrades from .NET 6 to .NET 10, eliminating manual, error-prone processes across multiple repositories.

• AWS Transform Custom automates code upgrades across repositories with reusable transformation definitions
• Create custom transformation definitions for .NET using interactive CLI agent to define upgrade steps
• Transformation handles .csproj updates, NuGet package compatibility, SAM template changes, and API fixes
• Execute transformation against codebases with planning phase, incremental changes, and validation
• Publish transformation for team-wide reuse without manual authoring per repository
• Run non-interactive mode for CI/CD pipelines and bulk execution across multiple repositories
• Transformation improves over time through human-in-the-loop knowledge item extraction and approval
• Scale to hundreds of repositories using batch scripts or containerized execution on AWS Batch/Fargate

AWS Transform Custom enables enterprises to automate recurring .NET Lambda upgrades at scale, converting manual processes into repeatable, organization-wide workflows.