serverless.yml

service: notes-api

# Create an optimized package for our functions
package:
  individually: true

plugins:
  - serverless-bundle # Package our functions with Webpack
  - serverless-offline
  - serverless-dotenv-plugin # Load .env as environment variables
  - serverless-dynamo-stream-plugin # connect dynamodb stream to EXISTING table
  
provider:
  name: aws
  runtime: nodejs12.x
  stage: prod
  region: eu-west-1

  # These environment variables are made available to our functions
  # under process.env.
  environment:
    tableName: notes

  # 'iamRoleStatements' defines the permission policy for the Lambda function.
  # In this case Lambda functions are granted with permissions to access DynamoDB.
  iamRoleStatements:
    - Effect: Allow
      Action:
        - dynamodb:Scan
        - dynamodb:Query
        - dynamodb:GetItem
        - dynamodb:PutItem
        - dynamodb:UpdateItem
        - dynamodb:DeleteItem
        - dynamodb:DescribeTable
        - dynamodb:DescribeStream
        - dynamodb:GetRecords
        - dynamodb:GetShardIterator
        - dynamodb:ListStreams
      Resource: "arn:aws:dynamodb:eu-central-1:*:*"

functions:
  # Defines an HTTP API endpoint that calls the main function in create.js
  # - path: url path is /notes
  # - method: POST request
  create:
    handler: create.main
    events:
      - http:
          path: notes
          method: post
  get:
    # Defines an HTTP API endpoint that calls the main function in get.js
    # - path: url path is /notes/{id}
    # - method: GET request
    handler: get.main
    events:
      - http:
          path: notes/{id}
          method: get

  list:
    # Defines an HTTP API endpoint that calls the main function in list.js
    # - path: url path is /notes
    # - method: GET request
    handler: list.main
    events:
      - http:
          path: notes
          method: get
  
  list1:
    # Defines an HTTP API endpoint that calls the main function in list.js
    # - path: url path is /notes
    # - method: GET request
    handler: list1.main
    events:
      - http:
          path: notes
          method: get

  update:
    # Defines an HTTP API endpoint that calls the main function in update.js
    # - path: url path is /notes/{id}
    # - method: PUT request
    handler: update.main
    events:
      - http:
          path: notes/{id}
          method: put

  delete:
    # Defines an HTTP API endpoint that calls the main function in delete.js
    # - path: url path is /notes/{id}
    # - method: DELETE request
    handler: delete.main
    events:
      - http:
          path: notes/{id}
          method: delete

  add_field:
    # Defines an HTTP API endpoint that calls the main function in list.js
    # - path: url path is /notes
    # - method: GET request
    handler: add_field.main
    events:
      - http:
          path: notes
          method: get

  notes_event_dispatcher:
    handler: notes_event_dispatcher.main
    environment:
      PARAM1: param1
      PARAM2: param2
      PARAM3: >
        [
          {
              "id": "notifications",
              "type": "add",
              "path": "$.Records[*].dynamodb",
              "handler": "add_notification_event"
          },
          {
              "type": "update",
              "path": "$.Records[*].dynamodb",
              "handler": "update_notification_event"
          }
        ]
      PARAM4: param4
      # PARAM3:
      #   type: add
      #   path: $.Records[*].dynamodb
      #   handler: add_notification_event
      # event_handlers:
      #   - add_comment_handler:
      #       type: added
      #       path: somepath
      #       handler: somehandler
    events:
      - existingDynamoStream:
          tableName: notes
          streamType: NEW_AND_OLD_IMAGES
          startingPosition: LATEST
  
  add_notification_event:
    handler: add_notification_event.main

  # notes_event_handler:
  #   handler: notes_event_handler.main
  #   events:
  #     - existingDynamoStream:
  #         tableName: notes
  #         streamType: NEW_AND_OLD_IMAGES
  #         startingPosition: LATEST
# resources:
#   Resources:
#     NotesTable:
#       Type: AWS::DynamoDB::Table
#       Properties:
#         TableName: notes1
#         AttributeDefinitions:
#           - AttributeName: userId
#             AttributeType: S
#         KeySchema:
#           - AttributeName: userId
#             KeyType: HASH
#         ProvisionedThroughput:
#           ReadCapacityUnits: 5
#           WriteCapacityUnits: 5
#         StreamSpecification:
#           StreamViewType: NEW_AND_OLD_IMAGES