Build a Complete serverless Chat Website > Creating an API > Creating a policy for the Lambda function
Creating a policy for the Lambda function
- Access IAM
- At the IAM interface
- Choose Policies
- Choose Create policy
- At the Policy interface
- Choose service: S3
- Choose Actions allowed: GetObject
- Choose Resource: Specific
- Add ARNs
4. At the ARN interface
- Name bucket: chat-app-lab
- Object name: *
- Choose Add ARNs
5. Name the Policy
- Policy name : S3-Access-ChatApp
6. Choose Create policy
7. At the IAM interface
- Choose Roles
- Choose Create role
8. Choose AWS Service
9. Choose Lambda service
- Choose Next
10. At Add permissions
- Find and Choose S3-Access-ChatApp
- Find and Choose AWSLambdaBasicExecutionRole
- Choose Next
- At Name, review and create
- Role name: Lambda-Role
- Choose Create role
