AWS Lambda

Developer Guide

What Is AWS Lambda?
Getting Started
- Set Up an AWS Account
- Create a Function
- Set Up the AWS CLI
- Install SAM CLI
Lambda Functions
- Building Lambda Functions
- Code Editor
- Programming Model
- Deployment Package
- Accessing AWS Resources
Configuring Functions
- Basic Configuration
- Environment Variables
  - Create a Lambda Function Using Environment Variables
  - Create a Lambda Function Using Environment Variables To Store Sensitive Information
- Versioning
- Layers
- VPC Settings
  - Tutorial: Amazon ElastiCache
  - Tutorial: Amazon RDS
Invoking Functions
- Invocation Types
- Event Source Mapping
- Retry Behavior
- Scaling
- Dead Letter Queues
- Supported Event Sources
- Sample Event Data
Lambda Runtimes
- Execution Environment
- Execution Context
- Runtime Support Policy
- Custom Runtimes
- Runtime Interface
- Tutorial – Custom Runtime
Lambda Applications
- Manage Applications
- AWS SAM
- Building a Pipeline for Your Serverless Application
Use Cases
- Amazon S3
- Kinesis
- Amazon SQS
- Amazon DynamoDB
- AWS CloudTrail
  - Tutorial
  - Sample Code
- Amazon SNS
  - Tutorial
  - Sample Code
- Amazon API Gateway
- Android App
  - Tutorial
  - Sample Code
- CloudWatch Events
- Application Load Balancer
- AWS CLI
- Lambda@Edge
Monitoring
- Using Amazon CloudWatch
- Using AWS X-Ray
Administration
- Permissions
- CloudTrail
- Tagging
- Managing Concurrency
- Best Practices
- Limits
Working with Node.js
- Deployment Package
- Handler
- Context
- Logging
- Errors
- Tracing
Working with Python
- Deployment Package
- Handler
- Context
- Logging
- Errors
- Tracing
Working with Java
- Deployment Package
- Handler
  - Handler Input/Output Types (Java)
    - Example: Using POJOs for Handler Input/Output (Java)
    - Example: Using Stream for Handler Input/Output (Java)
  - Leveraging Predefined Interfaces for Creating Handler (Java)
- Context
- Logging
- Errors
- Tracing
- Sample Function
Working with Go
- Deployment Package
- Handler
- Context
- Logging
- Errors
- Tracing
- Environment Variables
Working with C#
- Deployment Package
  - .NET Core CLI
  - AWS Toolkit for Visual Studio
- Handler
- Context
- Logging
- Errors
Working with PowerShell
- Deployment Package
  - Setting Up a PowerShell Development Environment
- Handler
- Context
- Logging
- Errors
Working with Ruby
- Handler
- Deployment Package
- Context
- Logging
- Errors
API Reference
- Actions
- Data Types
Releases
AWS Glossary

Environment

A function's environment variable settings.

Contents

Variables

Environment variable key-value pairs.

Type: String to string map

Key Pattern: [a-zA-Z]([a-zA-Z0-9_])+

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

Warning Javascript is disabled or is unavailable in your browser.

To use the AWS Documentation, Javascript must be enabled. Please refer to your browser's Help pages for instructions.

Document Conventions

« Previous Next »

© 2018, Amazon Web Services, Inc. or its affiliates. All rights reserved.

On this page:

Contents
See Also