This repository illustrates a way to use Rust with AWS Lambda. The Lambda uses bootstrap code provided by AWS that allows for Rust code to run in AWS Lambda. The example in this repo uses surf to make an HTTPS request that is described in the event. More details in this blog post: https://mitchgollub.com/rust-and-aws-lambda/.
Install AWS SAM as per https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-sam-cli-install.html
Install Docker using your OS distribution's package repository or using instructions from https://docs.docker.com/engine/install/
Install Rust (including rustup and cargo) using instructions at https://www.rust-lang.org/tools/install
To build the project for the x86_64-unknown-linux-musl target environment that it will deployed into, you will also need to install:
- musl-tools (on Linux:
sudo apt install musl-tools) - the pre-built
stdRust package for musl. Userustup target add x86_64-unknown-linux-musl
Use the run.sh script at the root of the directory to build and run (locally) the lambda using the SAM CLI. This will also package your lambda for deployment onto AWS.
Run sam deploy --guided to deploy the lambda into your AWS account (as shown in Deploy your application to the AWS Cloud). Use the stack name rust-lambda-https.
Test the Lambda by going to the Test tab for your function in the AWS console. create a test event using one of the examples within events.
Clean up your resources by running aws cloudformation delete-stack --stack-name rust-lambda-https --region <region> (as shown in Clean up).
SAM will have created an S3 bucket during deployment that isn't removed. You probably want to keep this if you intend to use SAM again in the future, but you may wish to delete experimental deployments within it.