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https://github.com/swift-server/swift-aws-lambda-runtime.git
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Sébastien StormacqandSébastien Stormacq
9f566bf4f1
This PR has been reworked. Instead of silently switching the default base image based on Swift version, we now: 1. **Keep Amazon Linux 2 as the default** base Docker image for the packager plugin 2. **Add a prominent deprecation warning** when AL2 is used (either via Docker or natively), informing developers that AL2 reaches End of Life on June 30, 2026 3. **Migrate all examples** (READMEs, SAM templates, scripts) to build and deploy on Amazon Linux 2023 (`provided.al2023` runtime + `--base-docker-image swift:amazonlinux2023`) 4. **Update documentation** (readme, quick-setup) with migration notes The warning includes the `--base-docker-image swift:6.3-amazonlinux2023` flag and reminds developers to use the `provided.al2023` runtime when deploying. After June 30, 2026, the default will switch to AL2023. --- <details> <summary>Original PR description (superseded)</summary> ~~Now that Docker Hub has official Swift images based on Amazon Linux 2023 (starting with 6.3), the packager plugin picks the right base image automatically depending on the Swift version:~~ ~~- Swift 6.3 and later: `swift:<version>-amazonlinux2023`~~ ~~- Earlier versions: `swift:<version>-amazonlinux2` (unchanged behavior)~~ ~~- No version specified (latest): defaults to `amazonlinux2023`~~ ~~When only a major version is provided (e.g. `--swift-version 6` without a minor), we conservatively treat it as 6.0 and use Amazon Linux 2, since we can't be sure it's 6.3+.~~ ~~Also added a verbose log line showing the resolved Swift version, Amazon Linux version, and final base image to help with debugging.~~ ~~The `--base-docker-image` flag still overrides everything as before.~~ </details> --------- Co-authored-by: Sébastien Stormacq <stormacq@amazon.lu>
45 lines
2.1 KiB
YAML
45 lines
2.1 KiB
YAML
AWSTemplateFormatVersion: '2010-09-09'
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Transform: AWS::Serverless-2016-10-31
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Description: SAM Template for Streaming Example
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# This is an example SAM template for the purpose of this project.
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# When deploying such infrastructure in production environment,
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# we strongly encourage you to follow these best practices for improved security and resiliency
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# - Enable access loggin on API Gateway
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# See: https://docs.aws.amazon.com/apigateway/latest/developerguide/set-up-logging.html)
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# - Ensure that AWS Lambda function is configured for function-level concurrent execution limit
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# See: https://docs.aws.amazon.com/lambda/latest/dg/lambda-concurrency.html
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# https://docs.aws.amazon.com/lambda/latest/dg/configuration-concurrency.html
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# - Check encryption settings for Lambda environment variable
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# See: https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars-encryption.html
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# - Ensure that AWS Lambda function is configured for a Dead Letter Queue(DLQ)
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# See: https://docs.aws.amazon.com/lambda/latest/dg/invocation-async-retain-records.html#invocation-dlq
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# - Ensure that AWS Lambda function is configured inside a VPC when it needs to access private resources
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# See: https://docs.aws.amazon.com/lambda/latest/dg/configuration-vpc.html
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# Code Example: https://github.com/awslabs/swift-aws-lambda-runtime/tree/main/Examples/ServiceLifecycle%2BPostgres
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Resources:
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# Lambda function
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StreamingNumbers:
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Type: AWS::Serverless::Function
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Properties:
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CodeUri: .build/plugins/AWSLambdaPackager/outputs/AWSLambdaPackager/StreamingNumbers/StreamingNumbers.zip
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Timeout: 5 # Must be bigger than the time it takes to stream the output
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Handler: swift.bootstrap # ignored by the Swift runtime
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Runtime: provided.al2023
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MemorySize: 128
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Architectures:
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- arm64
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FunctionUrlConfig:
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AuthType: AWS_IAM
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InvokeMode: RESPONSE_STREAM
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Environment:
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Variables:
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LOG_LEVEL: trace
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Outputs:
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# print Lambda function URL
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LambdaURL:
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Description: Lambda URL
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Value: !GetAtt StreamingNumbersUrl.FunctionUrl
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