From Inception to Production A Continuous Delivery Story - Ian - - PowerPoint PPT Presentation

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From Inception to Production A Continuous Delivery Story - Ian - - PowerPoint PPT Presentation

Sep 27, 2022 210 likes •518 views

From Inception to Production A Continuous Delivery Story - Ian Randall Fearlessly*, continuously delivering value * but not irresponsibly pushpay https://www.nzx.com/companies/PPH/announcements/299761 Tools People & PRactices Just

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From Inception to Production

A Continuous Delivery Story

  • Ian Randall
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Fearlessly*, continuously delivering value

* but not irresponsibly

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pushpay

https://www.nzx.com/companies/PPH/announcements/299761

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Tools People & PRactices Just culture & blameless postmortems

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Our journey begins...

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Why?

Shared vision over the value to the business

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Who?

Product Qa Dev

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You can’t test the quality in at the end

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Building a feature

“How will I Build this thing?”

Dev Qa

“How will I break this thing?”

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Building a larger feature

Long-lived feature branches feature switches

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The delta

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Building a larger feature

Long-lived feature branches feature switches

  • Delta gets too big
  • Small deltas
  • No feedback
  • Regular feedback
  • DRY code
  • Technical debt
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Feature switches

Configuration per environment

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Feature switches

URL manipulation to toggle switches on/off in QA (DO NOT do this in Production)

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Feature switches

  • Deliver daily increments of (non-running) code
  • Light up a slice of feature
  • Measure
  • Re-think road-map to complete feature
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WOMM

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Code review

  • Every line of code gets reviewed
  • Code must be reviewed and WOMMed before

merging.

  • “Roll Forwards To Victory”
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Code review

Validate approach Performance, Security, Operability Cohesion, Coupling and Connascence Be honest and positive. Be rude. Seriously, don’t be rude. Sweat the small stuff, like bracing, spaces

Do Don’t

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Cross-pollination

  • Someone else does it all again!
  • Pollinator is not (necessarily) involved with

feature

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Just culture

http://sidneydekker.com/just-culture/

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Just culture

Retributive - clarity around acceptable vs unacceptable behaviour Restorative - “safe-to-fail”

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Fear of breaking things will paralyze your organization.

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Toyota’s five whys

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Blameless Postmortems

https://codeascraft.com/2012/05/22/blameless-postmortems/

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When?

  • Opportunity to learn
  • Something that impacted production
  • Near-miss
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How?

  • Asynchronously in a wiki
  • Coordinated in Slack channel #morgue
  • Co-ordinated by person(s) closest to the

incident

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What?

  • Scenario and impact
  • Timeline
  • Discussion
  • Mitigations
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Fearlessly*, continuously delivering value

* but not irresponsibly

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This shit be hard, yo.

  • Ian randall, 2017

@kiwipom