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Update README.md to make it clear RIE binary is meant to be used in linux env #152

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5 changes: 3 additions & 2 deletions README.md
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Expand Up @@ -31,15 +31,16 @@ Lambda’s orchestrator, or security and authentication configurations. You can

## Installing

Instructions for installing AWS Lambda Runtime Interface Emulator for your platform
The following commands download the RIE binary for your platform. Note that while you can download the binary on any platform, the RIE can only be executed in a Linux environment (typically within a Docker container).

| Platform | Command to install |
| Platform (for downloading) | Command to download |
|---------|---------
| macOS/Linux x86\_64 | `mkdir -p ~/.aws-lambda-rie && curl -Lo ~/.aws-lambda-rie/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie && chmod +x ~/.aws-lambda-rie/aws-lambda-rie` |
| macOS/Linux arm64 | `mkdir -p ~/.aws-lambda-rie && curl -Lo ~/.aws-lambda-rie/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie-arm64 && chmod +x ~/.aws-lambda-rie/aws-lambda-rie` |
| Windows x86\_64 | `Invoke-WebRequest -OutFile 'C:\Program Files\aws lambda\aws-lambda-rie' https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie` |
| Windows arm64 | `Invoke-WebRequest -OutFile 'C:\Program Files\aws lambda\aws-lambda-rie' https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie-arm64` |

After downloading, the RIE binary must be used within a Linux environment, typically as part of a Docker container setup. See the Docker configuration instructions below for proper implementation.

## Getting started

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