serverless.yml

service: slack-signup

frameworkVersion: ">=1.2.0 <2.0.0"

custom:
  private: ${file(./private.yml)}
  apigs3:
    dist: web
    topFiles: true

provider:
  name: aws
  runtime: python2.7
  environment:
    DYNAMODB_TABLE: ${self:service}-${opt:stage, self:provider.stage}
  iamRoleStatements:
    - Effect: Allow
      Action:
        - dynamodb:Query
        - dynamodb:Scan
        - dynamodb:GetItem
        - dynamodb:PutItem
        - dynamodb:UpdateItem
        - dynamodb:DeleteItem
      Resource: "arn:aws:dynamodb:${opt:region, self:provider.region}:*:table/${self:provider.environment.DYNAMODB_TABLE}"

package:
  individually: true
  exclude:
    - ./**

functions:
  InviteSlack:
    handler: invite_slack/handler.endpoint
    package:
      include:
        - invite_slack/**
    environment: ${file(env.yml):slack}
  RecordDB:
    handler: record_db/handler.endpoint
    package:
      include:
        - record_db/**
  RecordAC:
    handler: record_ac/handler.endpoint
    package:
      include:
        - record_ac/**
    environment: ${file(env.yml):active_campaign}

stepFunctions:
  stateMachines:
    signup:
      events:
        - http:
            path: signup
            method: POST
            cors: true # Wish it worked but it does NOT: https://github.com/horike37/serverless-step-functions/issues/37
      definition: # ${file(workflow.yml)} - doesn't work, why?
        Comment: "Community sign-up workflow"
        StartAt: RecordDB
        States:
          RecordDB:
            Type: Task
            Resource: arn:aws:lambda:${self:custom.private.region}:${self:custom.private.accountId}:function:${self:service}-dev-RecordDB
            Next: RecordAC
            ResultPath: $.results.RecordDB
          RecordAC:
            Type: Task
            Resource: arn:aws:lambda:${self:custom.private.region}:${self:custom.private.accountId}:function:${self:service}-dev-RecordAC
            Next: InviteSlack
            ResultPath: $.results.RecordAC
          InviteSlack:
            Type: Task
            # Resource: ${self.resources.Outputs.InviteSlackLambdaArn.Value} too bad this doesn't work, chicken-n-egg problem
            Resource: arn:aws:lambda:${self:custom.private.region}:${self:custom.private.accountId}:function:${self:service}-dev-InviteSlack
            ResultPath: $.results.InviteSlack
            End: true

resources:

  Resources:
    UsersDynamoDbTable:
      Type: 'AWS::DynamoDB::Table'
      DeletionPolicy: Retain
      Properties:
        AttributeDefinitions:
          -
            AttributeName: email
            AttributeType: S
        KeySchema:
          -
            AttributeName: email
            KeyType: HASH
        ProvisionedThroughput:
          ReadCapacityUnits: 1
          WriteCapacityUnits: 1
        TableName: ${self:provider.environment.DYNAMODB_TABLE}

  Outputs:
    InviteSlackLambdaName:
      Description: Invite Slack Lambda function name
      Value:
        Ref: InviteSlackLambdaFunction
      Export:
        Name: ${self:service}-FunctionName
    InviteSlackLambdaArn:
      Description: The Name of the Photo Assignments Fail Lambda
      Value:
        'Fn::GetAtt': [ InviteSlackLambdaFunction, Arn ]
      Export:
        Name: ${self:service}-FunctionArn

plugins:
  - serverless-step-functions
  - serverless-apig-s3