Jurij's Workshop

Jurij's Workshop

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The Fourth Evolution of MVP
Frank Robinson invented MVPs in 2001. Eric Ries redefined them in 2011. AI is redefining them again in 2025.
 • Jurij Tokarski
Using Shared Packages in Firebase Monorepos
Firebase breaks with file:../shared deps. Use npm pack + tarball approach: preinstall script creates .tgz locally, gets included in deploy.
 • Jurij Tokarski
Build Apps Like LEGO Bricks
Use ports & adapters architecture to swap AI providers like LEGO bricks. Avoid vendor lock-in, optimize costs, test new models easily.
 • Jurij Tokarski
When "Polish Over Security" Costs Real Money
Client wanted to "polish features first, security later." Found exposed OpenAI API key in frontend code. Anyone could steal it and rack up unlimited…
 • Jurij Tokarski
Fidder Overengineering Made Me Pay
Reduced Fidder's maintenance costs $17/month → $1/month by fixing architectural mistakes, like expensive Firestore secutiry rules and unnecessary…
 • Jurij Tokarski
If You Throw Away Your MVP Code, It Wasn't an MVP
6-day "MVPs" are prototypes disguised as products. Real MVPs use foundation-first architecture for extension, not throwaway code.
 • Jurij Tokarski
When Optimization Culture Breaks Human Judgment (Digest)
A reading digest on how systems designed to optimize metrics are undermining the human capabilities that actually matter.
 • Jurij Tokarski
Jurij's Workshop
Jurij's Workshop
Working through ideas about self-employment, software development, and real independence

Jurij's Workshop

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