serverless.yml

service: hills-api

provider:
  name: aws
  region: ${opt:region, '${file(./serverless-shared.yml):constants.defaultRegion}'}
  runtime: nodejs10.x # matches package.json:engines
  stage: ${opt:stage, 'dev'}
  memorySize: 128 # MB, sls default is 1024, aws default is 128
  timeout: 3 # seconds, sls default is 6, aws default is 3
  apiGateway:
    minimumCompressionSize: 1024 # bytes, this enables compression
  # Only the graphql lambda needs this, but a single shared role is much easier to configure
  iamRoleStatements:
    - Effect: Allow
      Action:
        - rds-data:ExecuteStatement
      Resource:
        - Fn::ImportValue: ${self:provider.stage}-HillsApiDatabaseClusterArn
    - Effect: Allow
      Action:
        - secretsmanager:GetSecretValue
      Resource:
        - Fn::ImportValue: ${self:provider.stage}-HillsApiDatabaseClusterSecretArn

plugins:
  - serverless-api-stage
  - serverless-offline
  - serverless-plugin-git-variables
  - serverless-prune-plugin

package:
  exclude:
    - ./**
    - '!./node_modules/**' # don't re-include this; it'd override excludeDevDependencies
  excludeDevDependencies: true # default is true; fyi
  include:
    - ./src/**/!(*.spec).js
    - ./src/**/rhbSections.json

functions:
  graphql:
    handler: src/handlers/graphql.fn
    description: ${self:custom.versionInfo}
    memorySize: 256 # MB, sls default is 1024, aws default is 128
    timeout: 6 # seconds, sls default is 6, aws default is 3. Needs to be longer than Aurora Severless connect timeout for when it's sleeping
    # reservedConcurrency cannot be specified on the provider - https://github.com/serverless/serverless/issues/5472
    reservedConcurrency: 10
    environment:
      # Due to lack of support for cross-stack references in Serverless offline, ARNs must be manually copied into here before running
      DATABASE_CLUSTER_ARN:
        Fn::ImportValue: ${self:provider.stage}-HillsApiDatabaseClusterArn
      DATABASE_CLUSTER_SECRET_ARN:
        Fn::ImportValue: ${self:provider.stage}-HillsApiDatabaseClusterSecretArn
      NODE_ENV: production # for Express, and anything else that might care
    events:
      - http:
          path: graphql
          method: post
          cors: true
      - http:
          path: graphql
          method: get
          cors: true
  playground:
    handler: src/handlers/playground.fn
    description: ${self:custom.versionInfo}
    # reservedConcurrency cannot be specified on the provider - https://github.com/serverless/serverless/issues/5472
    reservedConcurrency: 10
    events:
      - http:
          path: playground
          method: get
  schemaDump:
    handler: src/handlers/schemaDump.fn
    description: ${self:custom.versionInfo}
    # reservedConcurrency cannot be specified on the provider - https://github.com/serverless/serverless/issues/5472
    reservedConcurrency: 10
    events:
      - http:
          path: schema
          method: get

custom:
  exportGitVariables: false
  prune:
    automatic: true
    number: 3
  stageSettings:
    MethodSettings:
      # https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-request-throttling.html
      ThrottlingBurstLimit: 20
      ThrottlingRateLimit: 20
  versionInfo: ${git:branch}:${git:describeLight} isDirty=${git:isDirty} "${git:message}"