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Dirk Nederveen
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<section>
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<section data-markdown>
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<body>
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# About me * Dirk Nederveen,
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<div class="reveal">
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[@dirk@blog.ndrvn.nl](https://blog.ndrvn.nl/u/dirk) * Husband,
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<div class="slides">
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father of 3, Streaming Engineer (QA) @Jet-Stream * Interests: -
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<section>
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Theology - Neurospychology - Reading - Beer brewing
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<section data-markdown>
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</section>
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# About me
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* Dirk Nederveen, [@dirk@blog.ndrvn.nl](https://blog.ndrvn.nl/u/dirk)
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* Husband, father of 3, Streaming Engineer (QA) @Jet-Stream
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* Interests:
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- Theology
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- Neurospychology
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- Reading
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- Beer brewing
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</section>
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</section>
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<section data-markdown="" id="bluf">
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# Why can't we deploy this today?
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</section>
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<section>
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<section data-markdown>
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# The story of a bug
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Starring:
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- 🦹🏻♂️ Customer
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- 🦸🏼♂️ Support Hero
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- 🧑💼 Product Owner
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- 👩🏾💻 Sr. Dev
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- 👷🏻♂️ Jr. Dev
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- 👩🏼🚒 System Operator
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</section>
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<section data-markdown>
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- 🦹🏻♂️ Customer calls with a question about sending an invoice on Monday 1 May, 🦸🏼♂️ Support Hero logs ticket BS-1234 in
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Jira
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- 🧑💼 Product Owner, 👩🏾💻 Sr. Dev and 🦸🏼♂️ Support Hero have triage meeting on Thursday 4 May, bug confirmed, priority
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'Highest'
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- 🧑💼 Product Owner and 👩🏾💻 Sr. Dev have backlog grooming meeting on Friday 5 May
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- Team has Sprint Planning meeting on Monday 8 May, commit to BS-1234 for 2 Story Points
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👇
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</section>
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<section data-markdown>
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- 👷🏻♂️ Jr. Dev picks up BS-1234, needs clarification and sends 🦹🏻♂️ Customer an email on Wednesday 10 May
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- 🦹🏻♂️ Customer responds Thursday 11 May, 16:00
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- 👷🏻♂️ Jr. Dev starts implementation on Monday 15 May, opens PR #2345 in GitHub
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- 👩🏾💻 Sr. Dev responds to PR #2345 on Tuesday 16 May 16:00, needs improvement
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👇
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</section>
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<section data-markdown>
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- 👷🏻♂️ Jr. Dev processes feedback on Thursday 18 May, 10:00
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- 👩🏾💻 Sr. Dev merges PR #2345 on Thursday 18 May 🎉
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- 👩🏼🚒 System Operator prepares release after Sprint end, and deploys update on Tuesday, 23 May
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</section>
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</section>
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<section>
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<section data-markdown="">
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# Value stream mapping
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- How the *value* flows through an organisation
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- *Who* holds responsibility
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</section>
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</section>
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<!-- <section id="toc">
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<section data-markdown="">
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<h1>TOC</h1>
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* Delays in process
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<ol style="list-style: lower-roman;">
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- Closed Sprint
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<li><a href="#/deployment-anxiety-disorder">Deployment Anxiety Disorder</a></li>
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- Asynchronous PR review
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<li><a href="#/feedback-latency">Feedback latency</a></li>
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- Separate release team
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</ol>
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* Hand-offs:
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</section> -->
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- 🦸🏼♂️ Support Hero ➡️ Dev Team
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- 👷🏻♂️ Jr. Dev ➡️ 👩🏾💻 Sr. Dev
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<section id="deployment-anxiety-disorder">
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- Dev Team ➡️ 👩🏼🚒 System Operator
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<section>
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<em> Please raise your hand if you ever... </em>
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<ul>
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<li class="fragment">
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deployed code that you didn't trust
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<span class="fragment"
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>with a service disruption as a consequence 😱💥</span
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>
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</li>
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<li class="fragment">
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deployed code that you <em>did</em> trust
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<span class="fragment">that did boom anyway 😱💥</span>
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</li>
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<li class="fragment">
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worked with an acceptance/staging environment
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<span class="fragment">and production still did boom 😱💥</span>
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</li>
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<li class="fragment">
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held off a deployment on a Friday, to avoid '😱💥'
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</li>
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<li class="fragment">... on a Thursday</li>
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</ul>
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</section>
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<section data-markdown>
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# Deployment Anxiety Disorder *A troublesome fear that prod go 💥.
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Symptoms may include:* - excessive or insufficient release planning
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- difficulty to perform updates - panic attacks - CYA strategies -
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entertaining thoughts about working at Hornbach
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</section>
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<section data-markdown>
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# Stress hormones * natural response to stress * acute stress:
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adrenaline - fight-or-flight response - prepares your body for
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action * prolonged stress: cortisol - freeze response - restlessness
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- anxiety disorders, depression * mortal enemy AND big ally - big
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ally if you learn to regulate the body response to stress hormones
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</section>
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<section
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data-markdown
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style="font-family: 'Comic Sans', 'Comic Neue'"
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>
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# Regulation 🏗️ * Respond to stress hormones for your benefit - from
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*fight* to *take control* - from *flight* to *take a break* - from
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*freeze* to *accept* * Apply brakes * Build trust * Control emotions
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</section>
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<section
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data-markdown
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style="font-family: 'Comic Sans', 'Comic Neue'"
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>
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# Emotional regulation in software delivery 🏗️🏗️ * Apply brakes -
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Commit to an *acceptable* workload - Communicate about your needs *
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Build trust - Deliver quality software
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</section>
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</section>
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</section>
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<section id="continuous-delivery">
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<section data-markdown="">
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<h1>Continuous delivery</h1>
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# What to do this Monday?
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<div style="width: 80%; float: left" data-markdown="">
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* Sketch how a 1-hour bug streams through your org
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* Build quality in * Work in small batches * Computers perform
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- Discovery
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repetitive tasks, people solve problems * Relentlessly pursue
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- Selection/prioritisation
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continuous improvement * Everyone is responsible
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- Implementation
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</div>
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- Verification
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- To production
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</section>
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</section>
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<div style="float: right; width: 20%; height: 8em">
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<section>
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<a href="https://www.bol.com/nl/nl/p/accelerate/9200000080652224">
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<img src="accelerate.jpg" style="height: 50%" /> </a
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# Processes are there for a reason!
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><br />
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<a
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but whom do they benefit?
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href="https://www.informit.com/store/continuous-delivery-reliable-software-releases-through-9780321770424?ranMID=24808"
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>
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<img src="cd-book.png" style="height: 50%" />
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</a>
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</div>
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</section>
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</section>
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<section>
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<section data-markdown="">
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<section data-markdown>
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# Closed sprint
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# Value stream mapping How does the value stream through the
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organisation? 👇
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</section>
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<section data-markdown>
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- Customer calls with a question about sending an invoice on Monday
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1 May, Support Hero logs ticket BS-1234 in Jira - Product Owner,
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Tech Lead and Support Hero have triage meeting on Thursday 4 May,
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bug confirmed, priority 'Highest' - Product Owner and Tech Lead have
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backlog grooming meeting on Friday 5 May - Team has Sprint Planning
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meeting on Monday 8 May, commit to BS-1234 for 2 Story Points 👇
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</section>
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<section data-markdown>
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- Jr. Dev picks up BS-1234, needs clarification and sends Customer
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an email on Wednesday 10 May - Customer responds Thursday 11 May,
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16:00 - Jr. Dev starts implementation on Monday 15 May, opens PR
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#2345 in GitHub - Sr. Dev responds to PR #2345 on Tuesday 16 May
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16:00, needs improvement 👇
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</section>
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<section data-markdown>
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- Jr. Dev processes feedback on Thursday 18 May, 10:00 - Sr. Dev
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merges PR #2345 on Thursday 18 May 🎉 - Operations Team prepares
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release after Sprint end, and deploys update on Tuesday, 23 May
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</section>
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<section data-markdown="">
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Why is this process slow? * Closed Sprint (1 week) * Hand-offs: -
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Support Hero ➡️ Tech Team - Jr. Dev ➡️ Sr. Dev - Dev Team ➡️ Ops
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team * Delays in process - Asynchronous PR review - Separate release
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team
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</section>
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<section data-markdown="">
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# What to do this Monday? * Draw the value stream in your org *
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</section>
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</section>
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</section>
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</div>
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</section>
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<section id="continuous-delivery">
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<h1>Continuous delivery</h1>
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<div style="width: 80%; float: left" data-markdown="">
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* Build quality in
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* Work in small batches
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* Computers perform repetitive tasks, people solve problems
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* Relentlessly pursue continuous improvement
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* Everyone is responsible
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</div>
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<div style="float: right; width: 20%; height: 8em">
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<a href="https://www.bol.com/nl/nl/p/accelerate/9200000080652224">
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<img src="accelerate.jpg" style="height: 50%;">
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</a><br>
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<a href="https://www.informit.com/store/continuous-delivery-reliable-software-releases-through-9780321770424?ranMID=24808">
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<img src="cd-book.png" style="height: 50%;">
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</a>
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</div>
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</section>
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