serverless.yml

service: sqs-service
frameworkVersion: '3'

plugins:
  - serverless-offline

package:
  exclude:
    - node_modules/**

provider:
  name: aws
  region: ap-south-1
  runtime: nodejs14.x
  endpointType: REGIONAL
  environment:
    QUEUE_URL: !Sub https://sqs.${self:provider.region}.amazonaws.com/${AWS::AccountId}/MyQueue.fifo
  apiGateway:
    binaryMediaTypes:
      - '*/*'
  iam:
    role:
      statements:
        - Effect: 'Allow'
          Action:
            - 'lambda:InvokeFunction'
          Resource: !Sub 'arn:aws:lambda:${self:provider.region}:${AWS::AccountId}:function:sqs-service-dev-consumer'
        - Effect: 'Allow'
          Action:
            - 'sqs:SendMessage'
            - 'sqs:ReceiveMessage'
            - 'sqs:DeleteMessage'
            - 'sqs:GetQueueUrl'
          Resource: !Sub 'arn:aws:sqs:${self:provider.region}:${AWS::AccountId}:MyQueue.fifo'
        - Effect: 'Allow'
          Action:
            - 'sqs:ListQueues'
          Resource: !Sub 'arn:aws:sqs:${self:provider.region}:${AWS::AccountId}:*'

functions:
  producer:
    handler: producer.main
    events:
      - httpApi:
          method: post
          path: /produce
    timeout: 25
    layers:
      - !Ref AwsSDKLambdaLayer
  consumer:
    handler: consumer.main
    destinations:
      onSuccess: producer
    events:
      - httpApi:
          method: post
          path: /consume
    timeout: 25
    layers:
      - !Ref AwsSDKLambdaLayer

resources:
  Resources:
    MyQueue:
      Type: 'AWS::SQS::Queue'
      Properties:
        QueueName: "MyQueue.fifo"
        FifoQueue: true
        RedrivePolicy: 
          deadLetterTargetArn: 
            Fn::GetAtt: 
              - "MyQueueDLQ"
              - "Arn"
          maxReceiveCount: 5
    MyQueueDLQ:
      Type: AWS::SQS::Queue
      Properties:
        QueueName: "MyQueueDLQ.fifo"
        FifoQueue: true

layers:
  awsSDK:
    path: ./layer
    compatibleRuntimes:
      - nodejs14.x
    compatibleArchitectures:
      - x86_64