goenv/README.md
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# goenv
golang environment
# docker
## 拉取镜像
```
docker pull ccr.ccs.tencentyun.com/xiaoqidun/goenv:latest
```
## 运行镜像
```
docker run -it --rm ccr.ccs.tencentyun.com/xiaoqidun/goenv
```
# 编译项目
## 将项目文件映射到容器内部
### linux - bash
```shell
docker run --rm -it -v $(pwd):/go/src/app -w /go/src/app ccr.ccs.tencentyun.com/xiaoqidun/goenv
```
### windows - cmd
```bat
docker run --rm -it -v %cd%:/go/src/app -w /go/src/app ccr.ccs.tencentyun.com/xiaoqidun/goenv
```
### windows - powershell
```powershell
docker run --rm -it -v "${pwd}:/go/src/app" -w /go/src/app ccr.ccs.tencentyun.com/xiaoqidun/goenv
```
## 在容器内执行命令进行编译
### 编译linux程序
```shell
export GOOS=linux
export GOARCH=amd64
export CGO_ENABLED=0
go build -o main_linux_amd64 main.go
```
### 编译android程序
```shell
export CC=aarch64-linux-android21-clang
export GOOS=android
export GOARCH=arm64
export CGO_ENABLED=1
go build -o main_android_arm64 main.go
```
### 编译windows程序
```shell
export GOOS=windows
export GOARCH=amd64
export CGO_ENABLED=0
go build -o main_windows_amd64.exe main.go
```
# 编译说明
## GOOS
> 用于标识编译的目标操作系统
## GOARCH
> 用于标识编译的目标系统架构
## CGO_ENABLED
- 0 静态编译禁用CGO适用于android和darwin(apple)外的目标操作系统
- 1 动态编译使用CGO适用于依靠外部工具链才能完成编译的目标操作系统
## 动态编译
- 动态编译必须设置CC变量指定C编译器可执行文件路径或者在PATH变量内的可执行C编译器名称