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Lessons Learned from 7 Years of Running Develop...

Coté
October 17, 2023

Lessons Learned from 7 Years of Running Developer Platforms

This talk will cover the best and worst practices for platform engineering. The trick is we didn’t always use this phrase, so we actually have many years of experience to learn from. Who are you? You’re in a DevOps, wait, I mean SRE…nope, scatch that…platform engineering team. People come to you to get Kubernetes up and running, and then build some kind of platform on top of Kubernetes. But you just got a build pipeline in place. Getting Kubernetes ready for developers might be a new problem, but building and running developer platforms has been going on for at least 10 years. This talk will cover the lessons those organizations have learned, such as product managing the platform, attracting and retaining developers, seeding trust and skills, reskilling existing ops staff, and more. Examples are drawn from organizations like Mercedes-Benz, the U.S. Air Force, large insurance companies and banks, and more.

Presented at SpringOne Tour Online.

Coté

October 17, 2023
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  1. 1

  2. 10 We all know that Changing organizations fails 70% of

    the time. Sources: "Mind-sets matter in transformations," McKinsey, 2019, many other sources; “How Studying Organizational Change Lost Its Way," Journal of Change Management, Mark Hughes, 2022.
  3. 11 Actually, We have no idea how frequently changing organizations

    succeeds or fails. Sources: "Mind-sets matter in transformations," McKinsey, 2019, many other sources; “How Studying Organizational Change Lost Its Way," Journal of Change Management, Mark Hughes, 2022.
  4. 15

  5. 16 Sources: "‘Great Attrition’ or ‘Great Attraction’? The choice is

    yours," Aaron De Smet, Bonnie Dowling, Marino Mugayar-Baldocchi, Bill Schaninger, McKinsey, Sep 2021; "Yes, you can measure software developer productivity," Chandra Gnanasambandam, Martin Harrysson, Alharith Hussin, Jason Keovichit, and Shivam Srivastava, McKinsey, August, 2023. See also further commentary from Coté. Management & workers often have different incentives & motivations
  6. 17 A thriving organization focuses on satisfaction, not productivity Causes

    of thriving Because a developer is… Agency 1) able to voice disagreement with team definitions of success 2) has a voice in how their contributions are measured Motivation & Self- Efficacy 1) motivated when working on code at work 2) can see tangible progress most of the time 3) is working on the type of code work they want to work on 4) is confident that even when working in code is unexpectedly difficult, they will solve their problems Learning Culture 1) learning new skills as a developer 2) able to share the things they learn at work Support & Belonging 1) supported to grow, learn, and make mistakes by their team 2) agrees they are accepted for who they are by their team Source: "Developer Thriving: The four factors that drive Software Developer Productivity across Industries," Cat Hicks, Carol S. Lee, Morgan Ramsey, March, 2023; “The SPACE of Developer Productivity,” Nicole Forsgren, Margaret-Anne Storey, Chandra Maddila, Thomas Zimmermann, Brian Houck, Jenna Butler, March, 2021.
  7. 18 Staff’s View Work the Same Transform! Compensation $ $

    Risk LOW HIGH Outcome 👍 🤷 Exec’s View Work the Same Transform! Compensation $ $$$$ Risk HIGH HIGH Outcome 💣 👍 Management vs. workers often have different urgency & motivation to change
  8. 19 Sources: “DevOps is Enterprise Wide,” Nigel Thurlow, DevOpsDays Dallas

    2022. The people who do the work (should) decide how to change the work
  9. 20

  10. 22 We are building this platform not for us, we

    are building it for Mercedes-Benz developers.” Thomas Müller, Mercedes-Benz “
  11. 23 Find the Developer Toil, Confusion, Blockers Find the Developer

    Toil, Confusion, Blockers - What are we making? - We have a strong vision for our product, and we're doing important work together every day to fulfill that vision. - I have the context I need to confidently make changes while I'm working. - I am proud of the work I have delivered so far for our product. - I am learning things that I look forward to applying to future products. - My workstation seems to disappear out from under me while I'm working. - It's easy to get my workstation into the state I need to develop our product. - What aspect of our workstation setup is painful? - It's easy to run our software on my workstation while I’m developing it. - I can boot our software up into the state I need with minimal effort. - What aspect of running our software locally is painful? What could we do to make it less painful? - It's easy to run our test suites and to author new ones. - Tests are a stable, reliable, seamless part of my workflow. - Test failures give me the feedback I need on the code I am writing. - What aspect of production support is painful? - We collaborate well with the teams whose software we integrate with. - When necessary, it is within my power to request timely changes from other teams. - I have the resources I need to test and code confidently against other teams' integration points. - What aspect of integrating with other teams is painful? - I'm rarely impacted by breaking changes from other tracks of work. - We almost always catch broken tests and code before they're merged in. - What aspect of committing changes is painful? - Our release process (CI/CD) from source control to our story acceptance environment is fully automated. - If the release process (CI/CD) fails, I'm confident something is truly wrong, and I know I'll be able to track down the problem. - What aspect of our release process (CI/CD) is painful? - Our team releases new versions of our software as often as the business needs us to. - We are meeting our service-level agreements with a minimum of unplanned work. - When something is wrong in production, we reproduce and solve the problem in a lower environment. Sources: "Developer Toil: The Hidden Tech Debt," Susie Forbath, Tyson McNulty, and Coté, August, 2022. See also Michael Galloway’s interview questions for platform product managers.
  12. 24 Sources: BT Canvas team; MB.io; Duke Energy; Allstate; "Take

    DevOps to 11 and Sprinkle Cloud on it with Rainbows and Unicorns," Matt Curry, s1p 2017. “Improve Developer Productivity with Platform as a Product,” VMware Explore, Nov. 2022. Platform marketing, advocacy, consulting
  13. 25 Scaling Phase – Pairing & Seeding to build trust

    & training 1. Create platform team. 2. Pick one or two apps, real apps. 3. Develop the apps & platform together. 4. Do this for three months. 5. Pick some more apps, to taste. 6. Seed app people to new teams. 7. GOTO 3. Sources: “From 0 to 1000 Apps: The First Year of Cloud Foundry at The Home Depot,” Anthony McCulley, The Home Depot, Aug 2016; “Cloud Native at The Home Depot, with Tony McCulley,” Pivotal Conversations #45; USAF presentations and write-ups; "Driving Business Agility Without Large-Scale Transformation Programs," Venkatesh Arunachalam, Sep 2021; The Home Depot 2022[?]Q4 earnings call; The Business Bottleneck, Coté.
  14. 26 Lessons learned from supporting 1,500+ application at JP Morgan

    Chase Source: “Improving JPMorgan Chase’s Developer Experience on the Cloud,” Nadi Away, JPMC, June 2022.
  15. 27

  16. 28

  17. 29 2007 2015 2023 & Beyond The Eternal Recurrence of

    (Platforms, PaaS, DevOps, Cloud Native) Not pictured: OO, Small Talk, RUP, CORBA, J2EE/.Net, SOA & WS-*, RAD, Low Code, Public Clouds (╯°□°)╯ ┻━┻) (╯°□°)╯ ┻━┻)
  18. 32 “The initial experience, that 'wall of yaml,' as we

    like to say, when you configure your first application can be a little bit daunting. And, I'm sorry about that. We never really intended folks to interact directly with that subsystem. It’s, more or less, developed a life of its own over time.” Craig McLuckie, SpringOne 2021
  19. 33 reimagine banking to make banking simple, seamless, as well

    as invisible to allow our customers to live more bank less.” 33 “increase developer productivity with an abstraction layer of simplified yaml to address Kubernetes complexity. Siew Choo Soh, DBS Bank We believe that we need to