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Remove manual lambda layer config #22

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b487675
modified makefile to: add the region and profile from environment and…
lapups Sep 16, 2025
6400a0b
modified makefile to: add the region and profile from environment and…
lapups Sep 16, 2025
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1 change: 0 additions & 1 deletion stateless-mcp-on-lambda-python/README.md
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Expand Up @@ -47,7 +47,6 @@ Before deploying, you need to configure the environment variables in `etc/enviro
```bash
make layer
```
After execution, copy the `outLayer` value and update the `O_LAYER_ARN` in `etc/environment.sh`.

2. Deploy the API Gateway and Lambda function:
```bash
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2 changes: 1 addition & 1 deletion stateless-mcp-on-lambda-python/etc/environment.sh
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Expand Up @@ -9,7 +9,7 @@ LAYER_STACK=samples-mcp-lambda-layer
LAYER_TEMPLATE=sam/layer.yaml
LAYER_OUTPUT=sam/layer_output.yaml
LAYER_PARAMS="ParameterKey=description,ParameterValue=${P_DESCRIPTION}"
O_LAYER_ARN=your-output-layer-arn
O_LAYER_ARN=will be populated by the script

# api gateway and lambdastack
P_API_STAGE=dev
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23 changes: 16 additions & 7 deletions stateless-mcp-on-lambda-python/makefile
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@@ -1,19 +1,28 @@
include etc/environment.sh

# dependencies
layer: layer.build layer.package layer.deploy
layer: layer.build layer.package layer.deploy layer.get-arn
layer.build:
sam build -t ${LAYER_TEMPLATE} --parameter-overrides ${LAYER_PARAMS} --build-dir build --manifest src/dependencies/requirements.txt --use-container
sam build -t ${LAYER_TEMPLATE} --parameter-overrides ${LAYER_PARAMS} --build-dir build --manifest src/dependencies/requirements.txt --use-container --region ${REGION} --profile ${PROFILE}
layer.package:
sam package -t build/template.yaml --region ${REGION} --output-template-file ${LAYER_OUTPUT} --s3-bucket ${BUCKET} --s3-prefix ${LAYER_STACK}
sam package -t build/template.yaml --region ${REGION} --output-template-file ${LAYER_OUTPUT} --s3-bucket ${BUCKET} --s3-prefix ${LAYER_STACK} --profile ${PROFILE}
layer.deploy:
sam deploy -t ${LAYER_OUTPUT} --region ${REGION} --stack-name ${LAYER_STACK} --parameter-overrides ${LAYER_PARAMS} --capabilities CAPABILITY_NAMED_IAM
sam deploy -t ${LAYER_OUTPUT} --region ${REGION} --stack-name ${LAYER_STACK} --parameter-overrides ${LAYER_PARAMS} --profile ${PROFILE}
layer.get-arn:
@echo "Getting layer ARN and updating environment.sh..."
$(eval LAYER_ARN := $(shell aws cloudformation describe-stacks --stack-name ${LAYER_STACK} --region ${REGION} --profile ${PROFILE} --query 'Stacks[0].Outputs[?OutputKey==`outLayer`].OutputValue' --output text))
@sed -i 's|^O_LAYER_ARN=.*|O_LAYER_ARN=${LAYER_ARN}|' etc/environment.sh
@echo "Updated O_LAYER_ARN to: ${LAYER_ARN}"

# api gateway
apigw: apigw.package apigw.deploy
apigw.package:
sam package -t ${APIGW_TEMPLATE} --output-template-file ${APIGW_OUTPUT} --s3-bucket ${BUCKET} --s3-prefix ${APIGW_STACK}
sam package -t ${APIGW_TEMPLATE} --output-template-file ${APIGW_OUTPUT} --s3-bucket ${BUCKET} --s3-prefix ${APIGW_STACK} --region ${REGION} --profile ${PROFILE}
apigw.deploy:
sam deploy -t ${APIGW_OUTPUT} --region ${REGION} --stack-name ${APIGW_STACK} --parameter-overrides ${APIGW_PARAMS} --capabilities CAPABILITY_NAMED_IAM
sam deploy -t ${APIGW_OUTPUT} --region ${REGION} --stack-name ${APIGW_STACK} --parameter-overrides ${APIGW_PARAMS} --profile ${PROFILE}
apigw.delete:
sam delete --stack-name ${APIGW_STACK}
sam delete --stack-name ${APIGW_STACK} --region ${REGION} --profile ${PROFILE}

delete:
sam delete --stack-name ${APIGW_STACK} --region ${REGION} --profile ${PROFILE}
sam delete --stack-name ${LAYER_STACK} --region ${REGION} --profile ${PROFILE}