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HOW TO BUILD AN OPEN SOURCE PROJECT IN 3 YEARS

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MMOZURAS MMOZURAS CODINGFEARLESSLY.COM

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VINTED

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MAKE SECOND-HAND THE FIRST CHOICE WORLDWIDE

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PRONTO! EXCLAMATION MARK ADDED FOR EMPHASIS, NOT PART OF THE ACTUAL PROJECT/GEM NAME

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WHY OPEN SOURCE?

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EXPOSURE

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CONTRIBUTIONS

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•STORY/WHY •CODE •HUMANS

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PRONTO? WAIT. WHY DO WE ACTUALLY NEED THIS “QUICK AUTOMATED CODE REVIEW” THINGY?

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ONE DEVELOPER 2011

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2012 08

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2013 01

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DIFFERENT BACKGROUNDS, DIFFERENT STYLES

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PULL REQUESTS

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PULL REQUESTS

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HAVING RUBY STYLE GUIDE

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HAVING RUBY STYLE GUIDE

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JENKINS CODE QUALITY REPORT

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JENKINS CODE QUALITY REPORT

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ANNOYING FOR OTHERS

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MORE IMPORTANTLY, ANNOYING FOR ME

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AUTOMATE YOURSELF. SOLVE A PROBLEM YOU ACTUALLY HAVE

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RUBOCOP RUBY STYLE GUIDE ENFORCER

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PRONTO 0.0.1 RUBOCOP ON DIFFS

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ONE WEEK AFTER BARUCO PRONTO 0.1.0 WITH GITHUB FORMATTER

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MINIMAL VIABLE PRODUCT

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CODE DECISIONS THAT I ALMOST DON’T REGRET.

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THOR

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THOR

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FORMATTERS

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GITHUB GITHUB_PR GITLAB JSON CHECKSTYLE TEXT

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PLUGIN ARCHITECTURE

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BRAKEMAN COFFEELINT FASTERER FLAY FOODCRITIC JSCS JSHINT HAML-LINT POPER RAILS_BEST_PRACTICES RAILS_SCHEMA REEK RUBOCOP SCSSLINT SPELL SWIFTLINT TAILOR

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GOOD IMPLICIT CONFIG

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GOOD SMALLER FOOTPRINT

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BAD MORE WORK

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GOOD / BAD EASY TO CONTRIBUTE?

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HUMANS YUP. BUILDING AN OSS PROJECT REQUIRES INTERACTING WITH HOME SAPIENS.

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IF YOU BUILD IT, THEY WILL COME

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IF YOU BUILD IT, THEY WILL COME

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MARKETING

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YOUR README IS YOUR HOMEPAGE

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TWITTER

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RUBYFLOW

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RUBY5

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IF THEY LIKE IT THEY WILL SHARE

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IF THEY LIKE IT, THEY WILL SHARE

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DEVELOPERS HAVE EMOTIONS

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SAY “THANKS”

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HAVING CONTRIBUTORS IS THE BEST FEELING EVER (PRODUCT VALIDATION)

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PRONTO. BUILDING AN OPEN SOURCE PROJECT IS FUN.

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OPEN SOURCE PROJECT ~= REGULAR PROJECT

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SOLVE A PROBLEM YOU ACTUALLY HAVE

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MINIMAL VIABLE PRODUCT

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DO SOME MARKETING

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CONTRIBUTORS CONTRIBUTORS CONTRIBUTORS

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THANKS!