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Progressive.Net 2016 @scottcowan
21st June 2016
Build and Deployments
Builds•Versioning
•Packaging
•Selective triggering
•Shared code
Deployments• Deployment tests
• Blue / Green deployments
• Consumer Driven Testing
• Dark Launching
Agenda
Your build and deployments are different
And deploying your application is different
than releasing it to users
Builds
Compile Test Package
Versioning
MAJOR.MINOR.PATCH• MAJOR breaking changes• MINOR feature release• PATCH bug fixes
Package Versions
• 1.0.521• 1.0.521-develop• 1.0.0.521• 1.0.0-hotfix.521
Assembly Versions
• 1.0.521.0• 1.0.0.521
Versioning
Versioning
AssemblyInfo.cs[assembly: AssemblyInformationalVersion("1.0.521-develop")][assembly: AssemblyVersion("1.0.521.0")][assembly: AssemblyFileVersion("1.0.521.0")]
Versioning
Store it in a fileVersion.txt
0.9
Appveyor.yml# version formatversion: 0.9.{build}
Selective Triggering
Selective Triggering
• Only create a package when something has changed• More integration testing
Selective Triggering
NuGet packages
• Pull
• Discoverable (nuget.org)
• Unexpected users
• Just enough documentation
Project references
• Push
• Team knowledge
• Dangerous to reuse
• Handover notes
Shared Code
Shared Code
Deployments
Deploy Configure Verify
Deployment Tests
Is it Happy?
Deployment Tests
App v1.0.1
App.Tests v1.0.1
Deploy
Check application version
Get deployment tests
Run testsV1.0.1
Consumer Driven Testing
Integration tests from the perspective of your service’s clients
Consumer Driven Testing
Example service
API
Web
Consumer Driven Testing
Broker
Web
APIV1.2.1
Web/Api Tests V1.0.1
Web v1.0.1
API
Build
Build
Consumer Driven Testing
BrokerAPIV1.2.2
Web/Api Tests V1.0.1
Get consumer tests for API
Current version
Run tests
Deploy
Consumer Driven Testing
BrokerAPIV2.1.5
Web/Api Tests V1.0.1
Get consumer tests for API
current version
Run tests
Deploy
Blue Green Deployments
Have two environments that could be live
Blue Green Deployments
Blue Green Deployments
Dark Launching
Previewing features to a small set of users to test your application in the wild
Dark Launching
1.1.0
Feature 1
1.1.0
Feature 1
Some books
Thank you
Scott Cowan@scottcowan
