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serverless.yml
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serverless.yml
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service: workshop-${self:custom.name}
frameworkVersion: "3"
provider:
name: aws
runtime: nodejs20.x
iam:
role:
statements:
- Effect: Allow
Action:
- "xray:PutTelemetryRecords"
- "xray:PutTraceSegments"
Resource: "*"
tracing:
apiGateway: true
lambda: true
environment:
rest_api_url: !Sub https://${ApiGatewayRestApi}.execute-api.${AWS::Region}.amazonaws.com/${sls:stage}
service_name: ${self:service}
stage: ${sls:stage}
ssmStage: ${param:ssmStage, sls:stage}
LOG_LEVEL: ${self:custom.logLevel.${sls:stage}, self:custom.logLevel.default}
POWERTOOLS_LOGGER_SAMPLE_RATE: 0.1 # 10% of logs will be sampled
POWERTOOLS_LOGGER_LOG_EVENT: true
custom:
name: production-ready-serverless
logLevel:
default: INFO
prod: ERROR
export-env:
overwrite: true
exportOutputs:
include:
- E2ETestQueueUrl
- ServerClientId
output:
file: ./.env.cfnoutputs
serverless-iam-roles-per-function:
defaultInherit: true
esbuild:
minify: true
external:
- '@aws-sdk/*'
package:
individually: true
plugins:
- serverless-export-env
- serverless-export-outputs
- serverless-plugin-extrinsic-functions
- serverless-iam-roles-per-function
- serverless-esbuild
functions:
get-index:
handler: functions/get-index.handler
events:
- http:
path: /
method: get
environment:
restaurants_api: !Sub https://${ApiGatewayRestApi}.execute-api.${AWS::Region}.amazonaws.com/${sls:stage}/restaurants
cognito_user_pool_id: !Ref CognitoUserPool
cognito_client_id: !Ref WebCognitoUserPoolClient
rest_api_url: !Sub https://${ApiGatewayRestApi}.execute-api.${AWS::Region}.amazonaws.com/${sls:stage}
orders_api: !Sub https://${ApiGatewayRestApi}.execute-api.${AWS::Region}.amazonaws.com/${sls:stage}/orders
iamRoleStatements:
- Effect: Allow
Action:
- execute-api:Invoke
Resource: !Sub arn:aws:execute-api:${AWS::Region}:${AWS::AccountId}:${ApiGatewayRestApi}/${sls:stage}/GET/restaurants
package:
include:
- static/*
get-restaurants:
handler: functions/get-restaurants.handler
events:
- http:
path: /restaurants
method: get
authorizer: aws_iam
environment:
# default_results: 8
restaurants_table: !Ref RestaurantsTable
iamRoleStatementsName: !Sub "${self:service}-${sls:stage}-get-restaurants"
iamRoleStatements:
- Effect: Allow
Action:
- dynamodb:scan
Resource: !GetAtt RestaurantsTable.Arn
- Effect: Allow
Action:
- ssm:GetParameters
Resource:
- !Sub arn:aws:ssm:${AWS::Region}:${AWS::AccountId}:parameter/${self:service}/${param:ssmStage, sls:stage}/get-restaurants/config
search-restaurants:
handler: functions/search-restaurants.handler
events:
- http:
path: /restaurants/search
method: post
authorizer:
name: CognitoAuthorizer
type: COGNITO_USER_POOLS
arn: !GetAtt CognitoUserPool.Arn
environment:
restaurants_table: !Ref RestaurantsTable
iamRoleStatementsName: !Sub "${self:service}-${sls:stage}-search-restaurants"
iamRoleStatements:
- Effect: Allow
Action:
- dynamodb:Scan
Resource: !GetAtt RestaurantsTable.Arn
- Effect: Allow
Action:
- ssm:GetParameters
Resource:
- !Sub arn:aws:ssm:${AWS::Region}:${AWS::AccountId}:parameter/${self:service}/${param:ssmStage, sls:stage}/search-restaurants/config
- !Sub arn:aws:ssm:${AWS::Region}:${AWS::AccountId}:parameter/${self:service}/${param:ssmStage, sls:stage}/search-restaurants/secret-string
place-order:
handler: functions/place-order.handler
events:
- http:
path: /orders
method: post
authorizer:
name: CognitoAuthorizer
type: COGNITO_USER_POOLS
arn: !GetAtt CognitoUserPool.Arn
environment:
event_bus_name: !Ref EventBus
iamRoleStatements:
- Effect: Allow
Action:
- events:PutEvents
Resource: !GetAtt EventBus.Arn
notify-restaurant:
handler: functions/notify-restaurant.handler
events:
- eventBridge:
eventBus: !Ref EventBus
pattern:
source:
- big-mouth
detail-type:
- order-placed
destinations:
onFailure:
type: sqs
arn: !GetAtt OnFailureQueue.Arn
environment:
event_bus_name: !Ref EventBus
restaurant_notification_topic: !Ref RestaurantNotificationTopic
idempotency_table: !Ref IdempotencyTable
iamRoleStatementsName: !Sub "${self:service}-${sls:stage}-notify-restaurant"
iamRoleStatements:
- Effect: Allow
Action:
- events:PutEvents
Resource: !GetAtt EventBus.Arn
- Effect: Allow
Action:
- sns:Publish
Resource: !Ref RestaurantNotificationTopic
- Effect: Allow
Action:
- dynamodb:PutItem
- dynamodb:GetItem
- dynamodb:UpdateItem
- dynamodb:DeleteItem
Resource: !GetAtt IdempotencyTable.Arn
- Effect: Allow
Action:
- sqs:SendMessage
Resource: !GetAtt OnFailureQueue.Arn
resources:
Conditions:
IsE2ETest:
Fn::StartsWith:
- ${sls:stage}
- dev
Resources:
RestaurantsTable:
Type: AWS::DynamoDB::Table
Properties:
BillingMode: PAY_PER_REQUEST
AttributeDefinitions:
- AttributeName: name
AttributeType: S
KeySchema:
- AttributeName: name
KeyType: HASH
CognitoUserPool:
Type: AWS::Cognito::UserPool
Properties:
AliasAttributes:
- email
UsernameConfiguration:
CaseSensitive: false
AutoVerifiedAttributes:
- email
Policies:
PasswordPolicy:
MinimumLength: 8
RequireLowercase: true
RequireNumbers: true
RequireSymbols: true
RequireUppercase: true
Schema:
- AttributeDataType: String
Name: given_name
Mutable: true
Required: true
StringAttributeConstraints:
MinLength: "1"
- AttributeDataType: String
Name: family_name
Mutable: true
Required: true
StringAttributeConstraints:
MinLength: "1"
- AttributeDataType: String
Name: email
Mutable: true
Required: true
StringAttributeConstraints:
MinLength: "1"
WebCognitoUserPoolClient:
Type: AWS::Cognito::UserPoolClient
Properties:
ClientName: web
UserPoolId: !Ref CognitoUserPool
ExplicitAuthFlows:
- ALLOW_USER_SRP_AUTH
- ALLOW_REFRESH_TOKEN_AUTH
PreventUserExistenceErrors: ENABLED
ServerCognitoUserPoolClient:
Type: AWS::Cognito::UserPoolClient
Properties:
ClientName: server
UserPoolId: !Ref CognitoUserPool
ExplicitAuthFlows:
- ALLOW_ADMIN_USER_PASSWORD_AUTH
- ALLOW_REFRESH_TOKEN_AUTH
PreventUserExistenceErrors: ENABLED
ParameterStoreGetRestaurantsConfig:
Type: AWS::SSM::Parameter
Properties:
DataType: text
Description: Configuration for the get-restaurants function
Name: /${self:service}/${sls:stage}/get-restaurants/config
Tier: Standard
Type: String
Value: '{"default_results":8}'
ParameterStoreSearchRestaurantsConfig:
Type: AWS::SSM::Parameter
Properties:
DataType: text
Description: Configuration for the search-restaurants function
Name: /${self:service}/${sls:stage}/search-restaurants/config
Tier: Standard
Type: String
Value: '{"default_results":8}'
ParameterStoreServiceUrl:
Type: AWS::SSM::Parameter
Properties:
DataType: text
Description: Service URL
Name: /${self:service}/${sls:stage}/service-url
Tier: Standard
Type: String
Value: !Sub https://${ApiGatewayRestApi}.execute-api.${AWS::Region}.amazonaws.com/${sls:stage}
EventBus:
Type: AWS::Events::EventBus
Properties:
Name: !Sub ${self:custom.name}-${sls:stage}-order-events
RestaurantNotificationTopic:
Type: AWS::SNS::Topic
E2ETestQueue:
Type: AWS::SQS::Queue
Condition: IsE2ETest
Properties:
MessageRetentionPeriod: 60
VisibilityTimeout: 1
E2ETestQueuePolicy:
Type: AWS::SQS::QueuePolicy
Condition: IsE2ETest
Properties:
Queues:
- !Ref E2ETestQueue
PolicyDocument:
Version: "2012-10-17"
Statement:
- Effect: Allow
Principal: "*"
Action: SQS:SendMessage
Resource: !GetAtt E2ETestQueue.Arn
Condition:
ArnEquals:
aws:SourceArn: !Ref RestaurantNotificationTopic
- Effect: Allow
Principal: "*"
Action: SQS:SendMessage
Resource: !GetAtt E2ETestQueue.Arn
Condition:
ArnEquals:
aws:SourceArn: !GetAtt E2ETestEventBridgeRule.Arn
E2ETestSNSSubscription:
Type: AWS::SNS::Subscription
Condition: IsE2ETest
Properties:
Protocol: sqs
Endpoint: !GetAtt E2ETestQueue.Arn
RawMessageDelivery: false
Region: !Ref AWS::Region
TopicArn: !Ref RestaurantNotificationTopic
E2ETestEventBridgeRule:
Type: AWS::Events::Rule
Condition: IsE2ETest
Properties:
EventBusName: !Ref EventBus
EventPattern:
source:
- big-mouth
State: ENABLED
Targets:
- Arn: !GetAtt E2ETestQueue.Arn
Id: e2eTestQueue
InputTransformer:
InputPathsMap:
source: "$.source"
detailType: "$.detail-type"
detail: "$.detail"
InputTemplate: !Sub >
{
"event": {
"source": <source>,
"detail-type": <detailType>,
"detail": <detail>
},
"eventBusName": "${EventBus}"
}
IdempotencyTable:
Type: AWS::DynamoDB::Table
Properties:
BillingMode: PAY_PER_REQUEST
AttributeDefinitions:
- AttributeName: id
AttributeType: S
KeySchema:
- AttributeName: id
KeyType: HASH
TimeToLiveSpecification:
Enabled: true
AttributeName: expiration
OnFailureQueue:
Type: AWS::SQS::Queue
Properties:
MessageRetentionPeriod: 60
VisibilityTimeout: 1
AlarmTopic:
Type: AWS::SNS::Topic
AlarmTopicSubscription:
Type: AWS::SNS::Subscription
Properties:
Endpoint: thierrysantoos123+cloudwatch@gmail.com
Protocol: email
TopicArn: !Ref AlarmTopic
OnFailureQueueAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: '[${sls:stage}] failed events detected in the onFailure destination from the notify-restaurant function'
MetricName: ApproximateNumberOfMessagesVisible
Namespace: AWS/SQS
Statistic: Maximum
Period: 300
EvaluationPeriods: 1
Threshold: 0
ComparisonOperator: GreaterThanThreshold
TreatMissingData: notBreaching
Dimensions:
- Name: QueueName
Value: !GetAtt OnFailureQueue.QueueName
AlarmActions:
- !Ref AlarmTopic
DestinationDeliveryFailuresAlarm:
Type: AWS::CloudWatch::Alarm
Properties:
AlarmName: '[${sls:stage}] notify-restaurant function failed to deliver message to the onFailure destination'
MetricName: DestinationDeliveryFailures
Namespace: AWS/Lambda
Statistic: Average
Period: 300
EvaluationPeriods: 1
Threshold: 0
ComparisonOperator: GreaterThanThreshold
TreatMissingData: notBreaching
Dimensions:
- Name: FunctionName
Value: !Ref NotifyDashrestaurantLambdaFunction
AlarmActions:
- !Ref AlarmTopic
Outputs:
RestaurantsTableName:
Value: !Ref RestaurantsTable
CognitoUserPoolId:
Value: !Ref CognitoUserPool
CognitoUserPoolArn:
Value: !GetAtt CognitoUserPool.Arn
WebClientId:
Value: !Ref WebCognitoUserPoolClient
ServerClientId:
Value: !Ref ServerCognitoUserPoolClient
ParameterStoreGetRestaurantsConfig:
Value: !Ref ParameterStoreGetRestaurantsConfig
ParameterStoreSearchRestaurantsConfig:
Value: !Ref ParameterStoreSearchRestaurantsConfig
ParameterStoreServiceUrl:
Value: !Ref ParameterStoreServiceUrl
EventBusName:
Value: !Ref EventBus
RestaurantNotificationTopicName:
Value: !Ref RestaurantNotificationTopic
E2ETestQueueUrl:
Condition: IsE2ETest
Value: !Ref E2ETestQueue