Demystifying DevOps and CI/CD
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Image credit: https://github.com/infrabricks/wordcloud
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Image credit: https://github.com/infrabricks/wordcloud
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Jeremy Meiss Director, DevRel & Community timeline.jerdog.me
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Image credit: https://github.com/infrabricks/wordcloud
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What is DevOps?
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1910s to 1930s “Flow production”
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1990s
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“10+ Deploys per Day: Dev and Ops Cooperation at Flickr” - John Allspaw, Paul Hammond
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Image credit: freepik
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Image credit: ROELBOB at DevOps.com
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Image credit: ROELBOB at DevOps.com
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Image credit: ROELBOB at DevOps.com
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Imagine you’re getting ready to ship something…
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You press the big red button
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click
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silence
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Do you… a) Sweat and wait to see if it blows up
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Do you… a) Sweat and wait to see if it blows up b) Pack up, go home & enjoy your weekend
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It all boils down to automation.
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The green pastures of automation Image source: Forbes
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Image source: Horizon Zero Dawn
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Image source: Demotivational
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Continuous {Integration|Deployment}
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Scrumban!
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Quick History of CI/CD 1991
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Quick History of CI/CD 1991 1997
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Quick History of CI/CD 2001 1991 1997
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Quick History of CI/CD
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Quick History of CI/CD
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Quick History of CI/CD
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Software Development without CI/CD
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Software Development without CI/CD Image source: Oursky
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CI == Continuous Integration the practice of merging all developers’ working copies to a shared code repository Code Shared Code Repo CI/CD Runtime Test Scan for Vulnerabilities Build Website
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CI == Continuous Integration ● Merge code changes often Code Shared Code Repo CI/CD Runtime Test Scan for Vulnerabilities Build Website
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CI == Continuous Integration ● ● Merge code changes often Run automated tests to validate builds Code Shared Code Repo CI/CD Runtime Test Scan for Vulnerabilities Build Website
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CI == Continuous Integration ● ● ● Merge code changes often Run automated tests to validate builds Only integrate tested code into code base Code Shared Code Repo CI/CD Runtime Test Scan for Vulnerabilities Build Website
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CI == Continuous Integration ● ● ● ● Merge code changes often Run automated tests to validate builds Only integrate tested code into code base Changes frequently merged into release branches Code Shared Code Repo CI/CD Runtime Test Scan for Vulnerabilities Build Website
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Image credit: Product Coalition
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CD == Continuous Deployment the practice of automatically deploying new software releases to target environments Build Website Server deployment Active Users
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CD == Continuous Deployment ● Build Website Faster release cycles Server Deployment Active Users
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CD == Continuous Deployment ● ● Build Website Faster release cycles Low-risk releases Server Deployment Active Users
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CD == Continuous Deployment ● ● ● Build Website Faster release cycles Low-risk releases Higher quality Server Deployment Active Users
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CD == Continuous Deployment ● ● ● ● Build Website Faster release cycles Low-risk releases Higher quality Lower costs Server Deployment Active Users
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Is CI/CD a TOOL?
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Are there benefits to CI/CD?
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CI/CD Benefits ● ● ● ● ● ● Improve team productivity & efficiency Accelerate speed to market Identify product/market fit Release higher quality, more stable products Increase customer satisfaction Keep devs happy and shipping code
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Implementing CI/CD
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Make sure everyone is on the same page
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Always start small
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Do what works for you
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Always measure
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CI/CD Benchmarks Throughput Duration At will <10 minutes Success Rate
90% Mean Time to Recovery <1 hour
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Better CI/CD Practices ● Make testing an integral part of the dev process
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Better CI/CD Practices ● ● Make testing an integral part of the dev process Ensure testing environment mirrors production
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Better CI/CD Practices ● ● ● Make testing an integral part of the dev process Ensure testing environment mirrors production Use coding better practices, i.e. pair programming
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Better CI/CD Practices ● ● ● ● Make testing an integral part of the dev process Ensure testing environment mirrors production Use coding better practices, i.e. pair programming Automate the deploy workflow
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Streamline deploy
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Full Report https://circle.ci/ssd2022
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Thank you. For feedback and swag: circle.ci/jeremy Timeline.jerdog.me IAmJerdog jerdog /in/jeremymeiss
