If you want to get the values of Environment Variables in AWS Lambda using Node.js runtime follow the instructions below.
To access the Environment Variables of Lambda Functions using Node.js or javascript simply use the code below.
const environmentVariable = process.env.ENVIRONMENT_VARIABLELet’s say that my environment variable has a name of DB_USER, I will use the code below to get its value.
To get the AWS Region where your Lambda Function is running we need to access the Environment Variable AWS_REGION.
To access the environment variable AWS_REGION using Node.js Lambda Function we can use process.env.AWS_REGION.
To get the AWS Account ID of the currently running Lambda Function using Node.js use the code below.
exports.handler = async (event, context) => {
const awsAccountId = context.invokedFunctionArn.split(':')[4]
console.log(awsAccountId)
};