learning-path-generator-lambda/template.yaml at main · ProyectoIntegrdor2-LearnAI/learning-path-generator-lambda · GitHub

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AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Parameters:
  Environment:
    Type: String
    Default: dev
  AtlasUri:
    Type: String
  PostgresHost:
    Type: String
  PostgresPassword:
    Type: String
    NoEcho: true

Globals:
  Api:
    Cors:
      AllowOrigin: "'https://www.learn-ia.app'"
      AllowMethods: "'POST, OPTIONS'"
      AllowHeaders: "'Content-Type, Authorization'"

Resources:
  LearningPathGeneratorFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: !Sub learnia-learning-path-generator-${Environment}
      Runtime: python3.12
      Handler: learning_path_generator.lambda_handler
      CodeUri: src/
      Timeout: 300
      MemorySize: 2048
      Layers:
        - !Ref CertificatesLayer
      Environment:
        Variables:
          ATLAS_URI: !Ref AtlasUri
          DATABASE_NAME: learnia_db
          COLLECTION_NAME: courses
          ATLAS_SEARCH_INDEX: default
          POSTGRES_HOST: !Ref PostgresHost
          POSTGRES_PORT: 5432
          POSTGRES_DB: postgres
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: !Ref PostgresPassword
          DB_SSL: "true"
          DB_CA_PATH: /opt/certs/rds-us-east-2-bundle.pem
          EMBEDDING_MODEL: amazon.titan-embed-text-v2:0
          EMBEDDING_DIM: 1024
          NOVA_MODEL: us.amazon.nova-lite-v1:0
          NOVA_TEMPERATURE: 0.7
          MAX_COURSES_IN_PATH: 10
          MIN_COURSES_IN_PATH: 3
          DEFAULT_WEEKS_ESTIMATE: 12
      Policies:
        - AWSLambdaBasicExecutionRole
        - Statement:
            - Effect: Allow
              Action:
                - bedrock:InvokeModel
              Resource:
                - arn:aws:bedrock:us-east-2::foundation-model/amazon.titan-embed-text-v2:0
                - arn:aws:bedrock:us-east-2:974724840334:inference-profile/us.amazon.nova-lite-v1:0
                - arn:aws:bedrock:*::foundation-model/amazon.nova-lite-v1:0
            - Effect: Allow
              Action:
                - cloudwatch:PutMetricData
              Resource: '*'
      Events:
        GenerateLearningPath:
          Type: Api
          Properties:
            Path: /generate-learning-path
            Method: POST
            RestApiId: !Ref LearningPathApi
        OptionsGenerateLearningPath:
          Type: Api
          Properties:
            Path: /generate-learning-path
            Method: OPTIONS
            RestApiId: !Ref LearningPathApi

  LearningPathApi:
    Type: AWS::Serverless::Api
    Properties:
      StageName: Prod
      Cors:
        AllowOrigin: "'https://www.learn-ia.app'"
        AllowMethods: "'POST, OPTIONS'"
        AllowHeaders: "'Content-Type, Authorization'"

  CertificatesLayer:
    Type: AWS::Serverless::LayerVersion
    Properties:
      LayerName: learnia-rds-ca-learning-path
      Description: RDS CA bundle for SSL connections
      ContentUri: layer-certs/
      CompatibleRuntimes:
        - python3.12

Outputs:
  LearningPathGeneratorApi:
    Description: API Gateway endpoint URL
    Value: !Sub "https://${LearningPathApi}.execute-api.${AWS::Region}.amazonaws.com/Prod/"
  LearningPathGeneratorFunction:
    Description: Lambda Function ARN
    Value: !GetAtt LearningPathGeneratorFunction.Arn