Alchemy Framework: Managing Cloud Resources and IAM with Bindings
samgoodwin89 · x · 2026-09-02
Alchemy introduces "Bindings" to connect resources (like R2 Buckets) to Workers/Lambdas, automatically handling permission grants and environment configuration.
- Declaration & Binding: Use yield Cloudflare.R2.ReadWriteBucket(Bucket) to declare a resource and get a typed client. The rest (like least-privilege IAM) is derived from this line.
- Contract & Implementation: A Binding consists of a Contract (defining the capability) and a Layer (providing the implementation). Cloudflare R2 offers two interchangeable Layers: ReadWriteBucketBinding (native) and ReadWriteBucketHttp.
This encapsulates infrastructure and permissions within Layers, making code reusable and implementations swappable.
Related event: Inside the Alchemy Framework: Bindings and Layers for Cloud Infra(2 posts)→
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