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Why Continuous Deployment?

Startup Lessons Learned

Lessons Learned by Eric Ries Monday, June 15, 2009 Why Continuous Deployment? Of all the tactics I have advocated as part of the lean startup , none has provoked as many extreme reactions as continuous deployment , a process that allows companies to release software in minutes instead of days, weeks, or months.

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Lessons Learned: Five Whys

Startup Lessons Learned

A new bit of code contained an infinite loop! why did that code get written? Hes a new employee, and he was not properly trained in TDD So far, this isnt much different from the kind of analysis any competent operations team would conduct for a site outage. Most engineers would ship code to production on their first day.

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Lessons Learned: Continuous integration step-by-step

Startup Lessons Learned

Integration risk is the term I use to describe the costs of having code sitting on some, but not all, developers machines. It happens whenever youre writing code on your own machine, or you have a team working on a branch. It also happens whenever you have code that is checked-in, but not yet deployed anywhere.

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Lessons Learned: Work in small batches

Startup Lessons Learned

Lessons Learned by Eric Ries Friday, February 20, 2009 Work in small batches Software should be designed, written, and deployed in small batches. Its had tremendous impact in many areas: continuous deployment , just-in-time scalability , and even search engine marketing , to name a few. This is easiest to see in deployment.

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Lessons Learned: The engineering manager's lament

Startup Lessons Learned

If engineers want more time to spend making their old code more pretty, they are invited to do so on the weekends. The idea is that once we move to the new system (or coding standard, or API, or.) The current code is spaghetti, but the new code will be elegant. Its become "legacy code" and part of the problem.

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Fear is the mind-killer

Startup Lessons Learned

I spent some time with his company before the conference and discussed ways to get started with continuous deployment , including my experience introducing it at IMVU. Moreover, approaching the problem from the direction that I had intuitively is a recipe for never reaching a point where continuous deployment is feasible.

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Lessons Learned: The product manager's lament

Startup Lessons Learned

Each specialist takes up his part of the spec (UI, middleware, backend) and cranks out code. So the product manager winds up actually having to use the software, by hand, updating the spec and helping create a new test plan. In exchange, the team agrees to show each piece of working code to the product manager for his approval.