Microservices as Containers on AWS…

for Fun and ProfitCasey Lee, Senior DevOps Engineer, Stelligent

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Introduction

Microservice

Principles

Monolith

Decomposition

Containers &

Continuous Delivery

mu

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What’s wrong with my monolith?

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Team coupling affects agility

Monolith Challenges

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Code

Monolith

Code

Code

Daily

Weekly

Monthly

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Deployment coupling affects availability

Monolith Challenges

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Code

Monolith

Code

Code

Code

Monolith

Code

Code

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How do microservices help?

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MICROSERVICES

“Small, autonomous services

that work together.”

-SAM NEWMAN, 2014

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SINGLE RESPONSIBILITY

PRINCIPLE

“A class should have only

one reason to change.”

-ROBERT C. MARTIN, circa 2003

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THE UNIX PHILOSOPHY

“Write programs that do one

thing and do it well. Write

programs to work together.”

-DOUG MCILROY, circa 1978

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MICROSERVICES

“Small, autonomous services

that work together.”

-SAM NEWMAN, 2014

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Team autonomy

Microservice Principles

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Code

Microservice

Code

Microservice

Code

Microservice

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Independent deployments

Microservice Principles

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Code

Microservice

Code

Microservice

Code

Microservice

Code

Microservice

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Public APIs

Microservice Principles

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Code

Microservice

Code

Microservice

Code

Microservice

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Private implementations

Microservice Principles

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Code

Microservice

Code

Microservice

Code

Microservice

DB

DB

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Where do I start?

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Step 1 - Capability Cohesion

Code Order Code

Monolith ServiceMonolith Service

Customer Code

Monolith DB

Monolith DB

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Step 2 - Data Cohesion

Order Code

Monolith Service

Customer Code

Order Code

Monolith Service

Customer Code

Monolith DB

OrderDB

CustomerDB

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Step 3 - Deployment Cohesion

Order Code

Microservice

Customer Code

OrderDB

CustomerDB

Order Code

Monolith Service

Customer Code

OrderDB

CustomerDB

Microservice

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How do I manage?

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Microservices

Continuous

Delivery

Containers

Monolith

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Amazon ECRAmazon ECS

Amazon

EC2

Amazon

VPC

router

VPC NAT

gateway

Auto ScalingApplication

Load Balancer

Elastic Load

Balancing

MySQL DB

instance

Amazon

RDSAWS

CodeCommit

AWS

CodePipeline

AWS

CodeBuild

Amazon

CloudWatchAWS

CloudFormation

alarm

IAM

rolestack

virtual private cloud

ECR registryEC2 compute

container

template

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http://getmu.io

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Overview

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Pipelines

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Environment

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Service

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Service #2

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Example

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banana-service

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Database

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Demo

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Service Discovery

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Summary

Microservice

Principles

Monolith

Decomposition

Containers &

Continuous Delivery

mu

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Next Steps

Workshops

• New York, NY - Tuesday, June 13

• Arlington, VA - Thursday, June 15

• San Francisco, CA - Tuesday, June 20

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Resources

• mu - http://getmu.io/

• GitHub - https://github.com/stelligent/mu

• Blogs -

• Introduction - https://stelligent.com/2017/04/11/mu-introduction-ecs-for-microservices/

• Testing - https://stelligent.com/2017/04/27/mu-testing-continuous-delivery/

• Databases - https://stelligent.com/2017/05/09/microservice-databases-with-mu/

• Service Discovery - tbd

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For more information on how Stelligent can help you with AWS Automation, go to www.stelligent.com

Q&A