serverless.yml

service: aws-node-express-dynamodb-api

frameworkVersion: "4"

stages:
  default:
    params:
      tableName: "users-table-${sls:stage}"

provider:
  name: aws
  runtime: nodejs20.x
  iam:
    role:
      statements:
        - Effect: Allow
          Action:
            - dynamodb:Query
            - dynamodb:Scan
            - dynamodb:GetItem
            - dynamodb:PutItem
            - dynamodb:UpdateItem
            - dynamodb:DeleteItem
          Resource:
            - Fn::GetAtt: [UsersTable, Arn]
  environment:
    USERS_TABLE: ${param:tableName}

functions:
  api:
    handler: handler.handler
    events:
      - httpApi: "*"

resources:
  Resources:
    UsersTable:
      Type: AWS::DynamoDB::Table
      Properties:
        AttributeDefinitions:
          - AttributeName: userId
            AttributeType: S
        KeySchema:
          - AttributeName: userId
            KeyType: HASH
        BillingMode: PAY_PER_REQUEST
        TableName: ${param:tableName}