AWS SAM CLI adds BuildKit support for AWS Lambda functions packaged as container images
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This article announces BuildKit support in AWS SAM CLI for building Lambda container images more efficiently.
- SAM CLI now supports BuildKit for faster, more efficient container image builds
- Enables multi-stage builds to create smaller images without development dependencies
- Improved caching reduces rebuild times and better parallelizes build steps
- Supports cross-architecture builds for x86_64 and arm64 (AWS Graviton2) architectures
- Docker secrets support keeps sensitive data out of final image layers
- Use --use-buildkit flag with sam build command in version 1.159.0 or later
- Works with both Docker and Finch
BuildKit support in SAM CLI enables developers to optimize Lambda container images with advanced build features for production deployments.
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