What are some best practices for managing environment variables in AWS Lambda?
- Hardcode values directly into the function code
- Share environment variables among Lambda functions through global variables
- Store environment variables in plaintext files on the Lambda instance
- Use AWS Secrets Manager or AWS Systems Manager Parameter Store
Best practices for managing environment variables in AWS Lambda include using AWS Secrets Manager or AWS Systems Manager Parameter Store to store sensitive data securely.
Can environment variables be dynamically changed during the execution of an AWS Lambda function?
- It depends on the programming language used
- No
- Only if the function is invoked asynchronously
- Yes
No, environment variables in AWS Lambda cannot be dynamically changed during execution; they are set when the function is deployed and remain constant throughout its execution.
Environment variables in AWS Lambda are commonly used to store configuration settings such as __________.
- API keys
- Encryption keys
- Lambda function code
- Source code
Environment variables in AWS Lambda are often used to store sensitive information like API keys, database credentials, or other configuration settings.
The process of setting environment variables for an AWS Lambda function is typically done during __________.
- Function configuration
- Function deployment
- Function execution
- Function invocation
Setting environment variables for an AWS Lambda function is part of its configuration process, allowing you to customize its behavior.
Dynamic configuration changes during execution of AWS Lambda functions can be achieved through the use of ________.
- AWS CloudWatch
- AWS IAM
- AWS Lambda Layers
- Parameter Store
AWS Systems Manager Parameter Store allows you to centrally manage configuration data and secrets, which can be dynamically accessed by AWS Lambda functions during execution.
Scenario: You need to deploy an AWS Lambda function that requires access to an external API key. How would you securely store this API key?
- Hardcode the API key in the Lambda function code
- Pass the API key as an environment variable
- Store the API key in a plaintext configuration file
- Use AWS Secrets Manager
Using AWS Secrets Manager to securely store and manage the API key ensures that it is protected and can be accessed by the Lambda function when needed.
Scenario: Your team is working on a project that involves deploying multiple AWS Lambda functions across different environments. How would you manage environment-specific configuration settings?
- Embed environment-specific settings directly in the Lambda function code
- Store configuration settings in separate plaintext files for each environment
- Use AWS Systems Manager Parameter Store
- Use environment variables to pass configuration settings
Leveraging AWS Systems Manager Parameter Store enables you to centrally manage environment-specific configuration settings and retrieve them securely in your Lambda functions, regardless of the environment they are deployed in.
Scenario: During the execution of an AWS Lambda function, you need to dynamically adjust certain parameters based on incoming data. How would you approach this using environment variables?
- Store adjustable parameters in a plaintext configuration file
- Use AWS CloudWatch Events to trigger parameter updates
- Use AWS Step Functions to dynamically adjust parameters
- Use environment variables to store adjustable parameters
Leveraging environment variables to store adjustable parameters allows you to dynamically adjust certain parameters during the execution of a Lambda function based on incoming data, providing flexibility and scalability.
AWS Lambda provides a secure way to store and access sensitive information through the use of __________.
- AWS DynamoDB
- AWS IAM
- AWS S3
- AWS Secrets Manager
AWS Lambda can securely access sensitive information stored in AWS Secrets Manager, such as database credentials or API keys.
In AWS Lambda, environment variables can be updated using the ________ service.
- AWS CLI
- AWS CloudFormation
- AWS Management Console
- AWS SDK
Environment variables in AWS Lambda can be updated using the AWS Management Console, providing a user-friendly interface for configuration.