Free · Documentation-style · Built from production
Engineering Courses
Deep-dive, documentation-style courses built from years of production experience — not tutorials that stop at "hello world."
6 live courses
180+ modules
~82 hrs of reading
🐘
Live · 35 modulesBeginner to Advanced
PostgreSQL In-Depth
From the first SELECT to production schema internals
BeginnerPractitionerArchitectInternalsPerformanceJSONB
~15 hrs reading
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Live · 46 modulesBeginner to Advanced
Node.js In-Depth
From the event loop to V8 internals and distributed architecture
BeginnerPractitionerArchitectV8GraphQLBullMQ
~16.5 hrs reading
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Live · 44 modulesBeginner to Advanced
Next.js In-Depth
From routing basics to RSC internals and edge architecture at scale
BeginnerPractitionerArchitectRSCPPREdgeCaching v15
~19.5 hrs reading
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Live · 39 modulesBeginner to Advanced
Redis In-Depth
Master Redis data structures, caching, and architecture
RedisCachingArchitectureDatabase
4 weeks
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Live · 7 modulesIntermediate to Advanced
Master JavaScript Testing
Write testable code, prevent production bugs, and ship with confidence
JestPlaywrightReact Testing LibrarySupertestCI/CD
~12 hrs reading
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Live · 9 modulesIntermediate to Advanced
Docker In-Depth
Master container engineering and deploy full-stack applications with confidence
DockerBuildKitNetworkingSecurityDocker ComposeDeployment
~15 hrs reading
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