SAM Template for Collaborative Filter Lambda

template.yaml

AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: >
  collaborative-filtering

  SAM project for collaborative-filtering
  Imports data from SQL and exports results to S3

Parameters:
  RdsPassword:
    Description: "What is the DB password?"
    Type: String

Resources:
  RecommendationFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: src/trainer_function
      Handler: app.lambda_handler
      Runtime: python3.7
      MemorySize: 4096
      Timeout: 900
      VpcConfig:
        SecurityGroupIds:
          - !Ref RecommendationFunctionSecurityGroup
        SubnetIds:
          - add-here-subnet-1-id
          - add-here-subnet-2-id
      Environment:
        Variables:
          BUCKET: !Sub "${EnvironmentValue}-collaborative-filtering"
          RDS_ENDPOINT: add-here-db-endpoint
          RDS_USERNAME: add-here-db-username
          RDS_PASSWORD: !Ref RdsPassword
          RDS_DB_NAME: add-here-db-name
          SURPRISE_DATA_FOLDER: /tmp
      Policies:
        - AWSLambdaExecute # Managed Policy
        - Version: "2012-10-17" # Policy Document
          Statement:
            - Effect: Allow
              Action:
                - logs:CreateLogGroup
                - logs:CreateLogStream
                - logs:PutLogEvents
                - s3:GetOBject
                - s3:PutObject
                - s3:ListBucket
              Resource: "*"
      Events:
        InvocationLevel:
          Type: Schedule
          Properties:
            Schedule: "rate(1 hours)"
      Layers:
        - the-arn-of-my-python-scikit-surprise-layer

  RecommendationFunctionSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      VpcId: add-here-vpc-id
      GroupDescription: The relevant RDS instance will be configured to allow this security group to access it

  OutputBucket:
    Type: "AWS::S3::Bucket"
    Properties:
      BucketName: !Sub "${EnvironmentValue}-collaborative-filtering"