go foundations
the most complete go foundations course out there. 33 lessons and ~14 hours, from hello world to a tested, concurrent http service on go 1.27. you build feedstack, a real feed aggregator, one lesson at a time, and the course is updated with every go release.
33 lessons|6 modules|~14 hours
what you’ll learn
- read and write idiomatic go: slices, maps, pointers, errors as values, interfaces
- model real data with structs, methods, embedding, and generics
- fetch many sources at once with goroutines, channels, select, and context
- ship it: table-driven tests, fuzzing, an http server, logging and config
- finish with one real project end to end: a concurrent feed aggregator
curriculum
01
02
module two
the building blocks
137 min7 lessons04values, variables, constants, and zero values15m
05control flow: for is the only loop you get17m
06functions: multiple returns, closures, and defer19m
07pointers without fear17m
08strings, runes, bytes, and formatted output19m
09slices, and how they really work26m
10maps, structs, and modeling your first feed item24m
03
04
05
module five
doing many things at once
199 min6 lessons06
module six
shipping it
221 min8 lessons26panic and recover: at the boundary, never as control flow29m
27table-driven tests and benchmarks37m
28fuzzing the feed parser22m
29go mod deep dive: sub-packages and project structure30m
30writing the http server36m
31testing http handlers26m
32logging, metrics, and configuration31m
33where to go next10m
read first
frequently asked
- why call it the most complete go course?
- 33 lessons and about 14 hours of video, and none of it is a syntax tour. values, control flow, functions, pointers, strings, slices, maps, structs, errors, defer, io, http and json, methods, interfaces, embedding, any, generics, goroutines, channels, fan-out fan-in, select and context, sync, panic and recover, testing, fuzzing, project structure, an http server, handler tests, logging, metrics and config. every one of them lands in the same project, so you see how the pieces fit, not just what each one is.
- is every lesson recorded?
- yes. all 33 lessons are recorded and reviewed, including the closer on where to go next, and each module ends in a quiz.
- do i need prior go experience?
- no. it starts at hello world. experience in any other language helps but isn't required.
- do i get the code?
- yes, all of it, publicly. feedstack lives at github.com/karnstack/feedstack with one git tag per lesson, so you can check out the exact tree a lesson ends on or diff two tags to see what changed. every lesson page links its tag.
- what go version does it use, and what happens when go moves on?
- go 1.27, standard library first; third-party packages only when they earn it. we guarantee updates: every go release gets the course re-checked and the lessons that moved get revised, and you get those updates at no extra cost.
- how is this different from the go tour?
- the tour shows syntax. this course builds one production-shaped project and teaches the judgment: when pointers, which concurrency shape, how to test.
- what if i can't afford it?
- email mail@karnstack.com from a student address (.edu, .ac.in, equivalent) and we'll work something out.
- is there a refund?
- yes. 7 days, no questions, mail@karnstack.com.
how this course is made
the curriculum is curated by karnstack and reviewed by senior engineers in the industry before it ships. narration is an ai voice (elevenlabs) reading human-written, human-reviewed scripts. read how courses are made.