AWS CLI

Lambda Commands

Deploy and manage serverless functions. Learn to create, update, and invoke Lambda functions from the command line.

6 commands

Pro Tips

Use 'aws lambda invoke --log-type Tail' to get execution logs with the response.

Package dependencies with 'zip -r' and update with 'aws lambda update-function-code'.

Use Lambda layers for shared code/dependencies across multiple functions.

Common Mistakes

Lambda has execution time limits (15 min max). Design functions for short execution.

Commands

List functions

$ aws lambda list-functions --output table

List all Lambda functions.

Invoke function

$ aws lambda invoke --function-name myfunction --payload '{}' output.json

Invoke Lambda with payload.

Invoke async

$ aws lambda invoke --function-name myfunction --invocation-type Event --payload '{}' output.json

Invoke Lambda asynchronously.

Update function code

$ aws lambda update-function-code --function-name myfunction --zip-file fileb://function.zip

Deploy new code from zip file.

Get function config

$ aws lambda get-function-configuration --function-name myfunction

Show function configuration.

Tail logs

$ aws logs tail /aws/lambda/myfunction --follow

Stream CloudWatch logs.