Microservices have become a popular architectural style for building modern cloud applications that are highly scalable, resilient, independently deployable, and able to evolve quickly. Microservices using Azure helps simplify the development of distributed cloud applications, provides enterprise-grade security and autoscaling.

1. Building Microservices
with Azure

2. 1 Microservices Definition
2 When to use Microservices
3 Pros & Cons
4 Creating a Microservice in Visual Studio
5 Hosting a Microservice & API Testing
6 Q & A
Agenda

3. Microservices Definition
1
5
4
3
2
Independently deployable
Deployment
Implemented using different languages,
database, hardware, software
Language Support
No official definition
Small in size, messaging
enabled, bound by contexts
Easy to write and Maintain
Widely recognized as processes that
communicate via technology agnostic
protocols
Processes

4. Microservices Definition – Contd…
1
5
4
3
2 “Do one thing and do it well”
• Clear interfaces
• May implement its own internal components
Self contained piece of business logic
Not a layer within a monolithic application (i.e.
data access layer)
Monolithic Application
• Enforces a modular structure
• Continuous delivery software
development process
• Independently deployable
• Business driven development
Martin Fowler
Autonomously developed,
independently deployable
Independent Services

5. Microservices - Pro’s & Con’s
Pro’s
• Agility
• Small code, small teams
• Mix of technologies
• Resiliency
• Scalability
• Data Isolation
Con’s
• Service boundaries
• Network congestion and Latency
• Testing and deployment more
complicated
• Too many services can be created
• Data consistency and integrity
• Governance needed (standard
tools / patterns etc.)

6. Creating a Microservice in Visual Studio
ASP .NET Core
ORM like Entity Framework Core
Cross platform
Microservices
Docker Containers
Extending an existing application
3rd Party .NET or NuGet packages not
available for .NET Core
Technologies unavailable for .NET Core
(i.e. Windows API)
Small footprint
When to use .NET Standard
When to use .NET Core
Demonstration

7. Container Overview
Docker is most
popular container
Standard
Lightweight Secure
If it runs on your machine it will run on
the server

8. Hosting the Microservice

9. API Testing
Swagger
Defined
Demonstration
Swagger
UI

10. Q & A
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