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The Go Cloud Development Kit (Go CDK): A library and tools for open cloud development in Go.

7.1K Stars 563 Forks Last release: 27 days ago (v0.20.0) Apache License 2.0 1.7K Commits 58 Releases

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The Go Cloud Development Kit (Go CDK)

Write once, run on any cloud ☁️

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The Go Cloud Development Kit (Go CDK) allows Go application developers to seamlessly deploy cloud applications on any combination of cloud providers. It does this by providing stable, idiomatic interfaces for common uses like storage and databases. Think


for cloud products.

Imagine writing this to read from blob storage (like Google Cloud Storage or S3):

ctx := context.Background() bucket, err := blob.OpenBucket(ctx, "s3://my-bucket") if err != nil { return err } defer bucket.Close() blobReader, err := bucket.NewReader(ctx, "my-blob", nil) if err != nil { return err }

and being able to run that code on any cloud you want, avoiding all the ceremony of cloud-specific authorization, tracing, SDKs and all the other code required to make an application portable across cloud platforms.

The project works well with a code generator calledWire. It creates human-readable code that only imports the cloud SDKs for services you use. This allows the Go CDK to grow to support any number of cloud services, without increasing compile times or binary sizes, and avoiding any side effects from



You can learn more about the project from our announcement blog post, or our talk at Next 2018:

Video: Building Go Applications for the Open Cloud (Cloud Next '18)


# First "cd" into your project directory if you have one to ensure "go get" uses # Go modules (or not) appropriately. See "go help modules" for more info. go get

The Go CDK builds at the latest stable release of Go. Previous Go versions may compile but are not supported.


Documentation for the project lives primarily on, includingtutorials.

You can also browse Go package reference on

Project status

The APIs are still in alpha, but we think they are production-ready and are actively looking for feedback from early adopters. If you have comments or questions, you can post to the go-cloud mailing list or email us at [email protected].

Current features

The Go CDK provides generic APIs for:

  • Unstructured binary (blob) storage
  • Publish/Subscribe (pubsub)
  • Variables that change at runtime (runtimevar)
  • Connecting to MySQL and PostgreSQL databases (mysql, postgres)
  • Server startup and diagnostics: request logging, tracing, and health checking (server)


Thank you for your interest in contributing to the Go Cloud Development Kit! :heart:

Everyone is welcome to contribute, whether it's in the form of code, documentation, bug reports, feature requests, or anything else. We encourage you to experiment with the Go CDK and make contributions to help evolve it to meet your needs!

The GitHub repository at google/go-cloud contains some driver implementations for each portable API. We intend to includeGoogle Cloud Platform, Amazon Web Services, and Azureimplementations, as well as prominent open source services and at least one implementation suitable for use in local testing. Unfortunately, we cannot support every service directly from the project; however, we encourage contributions in separate repositories.

If you create a repository that implements the Go CDK interfaces for other services, let us know! We would be happy to link to it here and give you a heads-up before making any breaking changes.

See the contributing guide for more details.


You can contact us on the go-cloud mailing list.

This project is covered by the Go Code of Conduct.

Legal disclaimer

The Go CDK is open-source and released under an Apache 2.0 License. Copyright © 2018–2019 The Go Cloud Development Kit Authors.

If you are looking for the website of GoCloud Systems, which is unrelated to the Go CDK, visit

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