The document discusses moving from a monolithic .NET application hosted on Azure App Services to a microservices architecture using containers and Kubernetes on Azure Container Service. It outlines some pros and cons of the monolithic approach versus microservices, including improved scalability, testability and deployability with microservices. It then shows the new architecture with React.js frontends, Node.js microservices running in containers orchestrated by Kubernetes on ACS, with VSTS for continuous integration and delivery.

1. Microsoft Developer Conference
A Container Journey
David Tesar
Senior Technical Evangelist
@dtzar
March, 2017 | Cairo, Egypt

2. SQL Azure
Microsoft Azure
Azure App Services Website
App Insights
Internet
.NET 4.6 front-end code with tight-coupling
to out of box InstantForum product

3. ProsSimple at first
In-process latencies
Single codebase, deploy
unit
Resource-efficient at small
scale
Cons
Complex to understand
Difficult to Test
Coordination overhead as
team grows
DevOps Practices harder to
implement
Poor scaling (vertical only)
All-or-nothing deploy
(downtime, failures)
Long build times
Longer / Harder to update

4. A
C D E
BC
B
A E
F
G
D

5. Microservices
API-Auth
API-User
API-
Comms
API-Tags
DocD
B
Mobile Apps
React.JS / Cordova
iOS/Android/Windows
User Collection
Comms Collection
Auth Collection
Tags Collection
Node.JS
Express
Swagger
Microsoft Azure
React.JS
Website
API
Gateway
Internet
Microservices on top ACS+K8s
Mongo
Containe
r
Mongo
Containe
r
Container

8. React.JS
Website
API-
Comms

9. Microsoft Azure
Master Node1 Node2
VSTS
Docker-Compose up
CI

10. React.JS
Website

14. “Continuous
automated
scheduling,
coordination, and
management of
complex systems
of containerized
components and
the resources they
consume.”
@karlkfi

15. Application
Infrastructure
Orchestrator

16. Create
Cluster
Master Node1 Node2

17. http://kubeapps.com
http://mesosphere.github.io/universe/

18. Microsoft Azure
Master Node1 Node2
ACS / K8s Cluster
VSTS
Docker-Compose up
CI
CD RM

20. http://aka.ms/DevOpsFundamentals
http://wp.me/p355zy-6h
https://mva.microsoft.com/search/SearchResults.aspx#!q=microservice&lang=1033
https://github.com/TsuyoshiUshio/KubernetesTask
https://docs.microsoft.com/en-us/azure/container-service/container-service-kubernetes-
walkthrough
• ACS – DCOS CI/CD
https://docs.microsoft.com/en-us/azure/container-service/container-service-
setup-ci-cd
https://microsoft.github.io/techcasestudies/