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@henrist/cdk-lambda-config
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- Version published
- Maintainers
- 1
- Weekly downloads
- 1,457
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CDK Construct for adding config.json file to a Lambda Function
When using Lambda@Edge, a function cannot use environment variables.
This CDK Construct uses a Custom Resource to inject a config.json
file with user provided values into an existing function, and
publishes a new version that is ready to be used as part of a
CloudFront Distribution.
Inspired by similar mechanism in https://github.com/aws-samples/cloudfront-authorization-at-edge/
Usage
npm install @henrist/cdk-lambda-config
Using the construct:
const originalFunction = lambda.Function.fromFunctionArn(...)
const updatedFunction = new LambdaConfig(this, "UpdatedFunction", {
function: originalFunction,
config: {
Key1: "Some value",
Nested: {
Key2: "Other value",
},
},
nonce: "1", // See TSDoc.
}
// Can now retrieve the new version:
updatedFunction.version
Read from within the handler:
const fs = require("fs")
const path = require("path")
const config = JSON.parse(
fs.readFileSync(path.join(__dirname, "config.json"), "utf-8"),
)
FAQs
CDK Construct for adding config.json file to a Lambda Function
The npm package @henrist/cdk-lambda-config receives a total of 1,335 weekly downloads. As such, @henrist/cdk-lambda-config popularity was classified as popular.
We found that @henrist/cdk-lambda-config demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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