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Continuous Delivery
making it work with Windows and .NET
Chris O’Dell and Matthew Skelton
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why a special focus for .NET?
some case studies
recommendations
(download the book!)
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Continuous Delivery
with Windows and .NET
Chris O’Dell and Matthew Skelton
O’Reilly, February 2016
FREE via CDwithWindows.net
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Chris O’Dell
.NET wunderkind
@ChrisAnnODell
who
Matthew Skelton
grouchy build monkey
@matthewpskelton
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Why a special focus for .NET?
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Windows/.NET around 2010
● No native Package Management
● Very limited automation
● Point and click configuration
● Monolithic configuration (SCCM etc.)
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Windows/.NET in 2016
● PowerShell APIs for all MS products
● NuGet, Chocolatey, OneGet, …
● 1st-class Git experience on Windows
● Native Windows/.NET support in Chef,
Puppet, Ansible + DSC
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Some case studies
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Soundbites from
● Focus on flow
● Avoid complex branching strategies
● Aim to push work out to consumers asap
● Favour fast recovery
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Takeaways from
● Collect metrics from your live systems
● Make them effective for issue resolution
● Too much unstructured data can be blinding
● Help your future selves pinpoint issues quickly and
easily
● Continually review and revise effectiveness of
existing dashboards
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Thanks: Owain Perry
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Parting gifts from
● Git on Windows works very well
● Chef on Windows works very well
● GoCD on Windows works very well
● Github + TeamCity + GoCD == awesomeness
● At web scale, SaaS logging tools cost $$$, so
invest in internal ELK at the right time
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Discoveries from
● Installation experience is a feature
● Chocolatey is still a bit ropey for client-facing
systems (use MSIs)
● Split the codebase along domain boundaries
● Detect configuration drift
● Add metrics and logging somehow
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Recommendations
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Recommendations
● Focus on continual flow of changes
● Collect effective metrics from live
systems
● Branch code with caution!
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Recommendations
● Use Git (not Svn / TFVC)
● Immutable infra with Windows 40GB
VMs is difficult (impossible?)
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Recommendations
● Use NuGet for internal dependencies
● Use a proper artifact repository:
Artifactory, Nexus, …
● Solution (.sln) / Project (.csproj)
structure affects buildability - restructure
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Recommendations
● Automate DB changes: Redgate /
Fluent / Flyway …
● DB ownership gets tricky: Dev vs DBA
● Patch mgt: test in upstream envs
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Recommendations
● Devolved AD administration with
automated domain join/leave
● Detect config drift: UpGuard / ...
● Make friends with Linux for best tooling!
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Continuous
Delivery with
Windows and .NET
is completely
possible in 2016
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Continuous Delivery
with Windows and .NET
Chris O’Dell and Matthew Skelton
O’Reilly, February 2016
FREE via CDwithWindows.net
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thanks
Dave Farley for the Foreword
O’Reilly Editors:
Brian Anderson and Kristen Brown
Case Studies:
● Andy Lole at Carnect
● Paul Shannon at 7digital
● Steve Elliott at LateRooms.com
● Peter Mounce at JUST EAT
● Owain Perry at JustGiving
● John Esser and Russ Barnet at
Ancestry.com