Golang Training

Learning basic Golang in one day

Update GO version

./upgrade-go.sh $VERSION

Manage go modules

Example code

• example01: Show hello world. Try to use golint and gofmt tool.
• example02: Let's write a library and use it from the hello program.
• example03: How to use if, switch and const in Go.
• example04: How to initializing constructor in Go.
• example05: Create interface for multiple struct.
• example06: How to use Goroutines in Go, share by communicating.
• example07: Errors handler in Go.
• example08: A type assertion provides access to an interface value.
• example09: Write command line tool in Go.
• example10: Simple http server and show example using gin framework.
• example11: Learn go build constraints.
• example12: Building minimal docker containers for go application.
• example13: Sharing Golang packages to C and Go.
• example14: How to use func in go?
• example15: How to pass slice as function arguments?
• example16: What is init function in Go?
• example17: How to handle json in Go?
• example18: How to write testingin Go?
• example19: Deploy golang app using drone + kubernetes.
• example20: write simple benchmark.
• exmaple21: Simple https-tls server example using mkcert.
• exmaple22: How to use go module in go version 1.11.
• example23: Deploy go application useing apex/up tool.
• example24: Debug golang code in vscode using dlv.
• example25: Running golang app using traefik & Let's Encrypt & Docker.
• example27: How to loads environment variables from .env.
• example28: Go webserver with gracefull shutdown.
• example29: How to handle multiple Go channel?
• example30: Simplest Way to Handle Timeouts?
• example31: How to implements a simple job queue? Youtube
• example32: four tips with select in golang.
• example33: share memory by communicating.
• example34: graceful shutdown with multiple workers.
• example35: introduction to context package.
• example36: performance result with differnet concat string method.
• example38: concurrency is still not easy. English Blog, Chinese Blog
• example39: select random channel value?
• example40: go 1.16 support Embedding Files, Chinese Blog
• example41 why use buffered channel signal? Chinese Blog
• example42 Please use three goroutines to run 10 times each, and output cat, dog, bird in order
• example43 graceful shutdown with progress bar. Chinese Blog
• example44 graceful stop service using docker-compose. Chinese Blog
• example45 introduction to go1.18 generics. Chinese Blog
• example46 introduction to go1.18 generics constraints, slices and maps packages. Chinese Blog
• example47 pyroscope adhoc profiling in go. Chinese Blog
• example48 simple pub/sub pattern in go. Chinese Blog
• example49 Dependency Injection using wire tool. Chinese Blog
• exmaple50 simple scheduler with multiple worker. Chinese Blog
• example51 How to cancel a running task between backend and worker service. Chinese Blog
• example52 ring buffer queue with fixed size. Chinese Blog
• example53 A container-based solution for automating Docker container base image updates. Chinese Blog, English Blog