Go

步骤一：准备环境

安装 Funcraft，最简单的方式就是直接下载可执行的二进制文件。

1. 安装 Funcraft 到本机。详情请参见安装文档。
2. 执行 fun --version 检查安装是否成功。
3. 执行 fun config 配置 Funcraft。然后按照提示依次配置 Account ID、Access Key ID、Access Key Secret、 Default region name。

   $ fun config
   Aliyun Account ID 1234xxx
   Aliyun Access Key ID xxxx
   Aliyun Access Key Secret xxxx
   Default region name cn-xxxx
   The timeout in seconds for each SDK client invoking 300
   The maximum number of retries for each SDK client 5
   Allow to anonynously report usage statistics to improve the tool over time? (Y/n)

步骤二：部署和调用函数

1. 执行以下命令克隆示例工程到本地。

   git clone https://github.com/awesome-fc/fc-custom-demo          

   说明 如果您没有安装 git，可以直接在浏览器地址栏输入 https://github.com/awesome-fc/fc-custom-demo，然后单击下载按钮直接下载。
2. 执行以下命令进入克隆的示例项目中。

   cd go_demo

3. 执行以下命令部署函数。

   $ make deploy
   docker build -t fc-go-runtime  -f build-image/Dockerfile build-image
   Sending build context to Docker daemon  3.072kB
   Step 1/5 : FROM golang:1.12.16-stretch
    ---> 7ad03a8aece5
   ...
   Step 5/5 : RUN go get github.com/awesome-fc/golang-runtime
    ---> Using cache
    ---> 262e7f38ac05
   Successfully built 262e7f38ac05
   Successfully tagged fc-go-runtime:latest
   docker run -it -v $(pwd):/tmp fc-go-runtime bash -c "go build -o /tmp/code//bootstrap /tmp/code/main.go"
   chmod +x code/bootstrap
   fun deploy -y
   using template: template.yml
   ···
   Waiting for service go_demo to be deployed...
           Waiting for function fc_go to be deployed...
                   Waiting for packaging function fc_go code...
                   The function fc_go has been packaged. A total of 1 file were compressed and the final size was 3.76 MB
           function fc_go deploy success
   service go_demo deploy success

4. 执行以下命令调用部署的函数。

   $ fun invoke -e "Hello World"
   ...
   ========= FC invoke Logs begin =========
   FC Invoke Start RequestId: 4c1451b2-f29b-4554-87e5-126f3bc11fcf
   2020-04-07T02:53:01.981Z: 4c1451b2-f29b-4554-87e5-126f3bc11fcf [INFO]  hello golang!
   FC Invoke End RequestId: 4c1451b2-f29b-4554-87e5-126f3bc11fcf
   
   Duration: 1.03 ms, Billed Duration: 100 ms, Memory Size: 512 MB, Max Memory Used: 4.39 MB
   ========= FC invoke Logs end =========
   
   FC Invoke Result:
   Hello World

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