Go language learning

Set up Go environment variable

stay /etc/profile or ~/.zshrc Set environment variables in

export GOROOT=/users/lianyz/.go/current
export GOPATH=/users/lianyz/go
export GOPROXY=https://goproxy.cn
export GOPRIVATE=*.lianyz.com

GOPRIVATE For private warehouses , In order to let GOPROXY Skip these warehouses , Direct connection is adopted

go mod Package management

When in $GOPATH/src Create a directory under the directory and execute go mod init when , There is no need to enter the module name ,go The module name will be directly generated according to the current path

go mod tidy Download the required dependencies and remove the unnecessary dependencies
go mod vendor Move the dependencies required by the project to the project vendor Under the table of contents , It can also be used to submit dependencies to the code warehouse .

Makefile Example

export tag=v1.1

root:
	export ROOT=github.com/cncamp/golang
.PHONY: root

build:
	echo "building httpserver binary"
	mkdir -p bin/amd64
	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o bin/amd64 .

release: build
	echo "building httpserver container"
	docker build -t lianyz/httpserver:${tag} .

push: release
	echo "pushing lianyz/httpserver"
	docker push lianyz/httpserver:${tag}

Dockerfile Example

FROM alpine
ENV MY_SERVICE_PORT=80
ENV MY_SERVICE_PORT1=80
ENV MY_SERVICE_PORT2=80
ENV MY_SERVICE_PORT3=80
LABEL multi.lable1="value1" multi.label2="value2" other="value3"
ADD bin/amd64/httpserver /httpserver
EXPOSE 80
ENTRYPOINT /httpserver

stay GoLand Set spell check rule file in

1. create a file ~/.lianyz.dic
2. Add words to the file , One word one line , Such as : lianyz
3. Add the file to GoLand->Preferences->Editor->Proofreading->Spelling Medium Dictionaries.