Best practices for moving monolithic applications to containers and serveless platforms.

1. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Monolithic to Microservices Demystified
Shankar Ramachandran,
Specialist SA, Cost Optimization
Tom Laszewski
Enterprise Technologist

2. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Agenda
Monoliths & Microservices
Decomposing a monolith
Order of decomposition
Containers
Serverless

3. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Monoliths & Microservices

4. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Decomposing a monolithic application
Business
Drivers
Organizational
Change
Deployment
model
Microservices

5. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
What makes a good microservice

6. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
What makes a good microservice

7. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
The right order of decomposition
• Strangler pattern
• Baselining tools
• Trailblazers
• Decomposition @scale

8. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Deployment model
Serverless
Containers
Net new
services
Candidates
for
decomposition
Workload
attributes/
requirements
incompatible
with Serverless
?
N
Y

9. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Why Serverless
• Run code without provisioning or managing servers.
• Scaling and high availability automatically handled
• Pay only for the compute time you consume, with sub-second granularity
• No charge when your code is not running

10. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Criteria
Code Rewrite
Dynamic load
Unpredictable traffic
Stateful sessions
Low, predictable SLAs
Learning serverless patterns

11. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Container Criteria
Tools availability
Cloud Migration
Cluster Operational expertise
Underutilization of underlying
resources

12. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Building Blocks for Serverless applications
AWS Lambda
Amazon DynamoDB
Amazon SNS
Amazon API Gateway Amazon SQS Amazon Kinesis
Amazon S3
Orchestration and State
Management
API Proxy and GraphQL Messaging and Queues Analytics
Monitoring and Debugging
Compute Storage Database
AWS X-RayAWS Step Functions Amazon Cognito
User Management and IdP
AWS AppSync Amazon Athena
AWS Lambda@Edge

13. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Building Blocks for Containers
© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Container Services Landscape
MANAGEMENT
Deployment, Scheduling,
Scaling & Management of
containerized applications
HOSTING
Where the containers run
Amazon Elastic
Container Service
Amazon Elastic
Container Service
for Kubernetes
Amazon EC2 AWS Fargate
IMAGE REGISTRY
Container Image Repository
Amazon Elastic
Container Registry

14. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Q & A
https://aws.amazon.com/microservices/