--- title: "joengtou (@joengtou) | Hashnode" description: "Golang Development Engineer. Read the latest articles by joengtou on Hashnode." url: "https://hashnode.com/@joengtou" --- @joengtou # joengtou @joengtou · Joined June 2022 Golang Development Engineer ### [Learn-go-with-eleven-projects](https://joengtou.hashnode.dev/learn-go-with-eleven-projects?utm_source=hashnode&utm_medium=feed) link to github 1 min read · [joengtou.hashnode.dev](https://joengtou.hashnode.dev/learn-go-with-eleven-projects?utm_source=hashnode&utm_medium=feed) [Jun 27, 2022](https://hashnode.com/posts/learn-go-with-eleven-projects/62b94e31b86f939ac81b91fd) ### [gRPC(A high performance, open source universal RPC framework)](https://joengtou.hashnode.dev/grpc?utm_source=hashnode&utm_medium=feed) grpc QuickStart Prerequisites $ go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28 $ go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2 use follow comand to protoc your .pb file // protoc-gen-go 序列化message体 // protoc-gen-go-grpc... 1 min read · [joengtou.hashnode.dev](https://joengtou.hashnode.dev/grpc?utm_source=hashnode&utm_medium=feed) [Jun 24, 2022](https://hashnode.com/posts/grpc/62b51ba092447c9aed5b3aa9) ### [robfig/cron(a cron library for go)](https://joengtou.hashnode.dev/cron-job?utm_source=hashnode&utm_medium=feed) use like linux crontab for golang link The demo code package main import ( "github.com/robfig/cron/v3" "log" ) func main() { // use WithSeconds to alow seconds,default not c := cron.New(cron.WithSeconds()) \_, err := c.AddFunc... 2 min read · [joengtou.hashnode.dev](https://joengtou.hashnode.dev/cron-job?utm_source=hashnode&utm_medium=feed) [Jun 23, 2022](https://hashnode.com/posts/cron-job/62b43d0fb86f939ac81af9c2) ### [NSQ(A realtime distributed messaging platform)](https://joengtou.hashnode.dev/nsq?utm_source=hashnode&utm_medium=feed) nsq 重要组件 nsqd 开放tcp:4150,http:4151端口与生产消费者通信，连接nsqlookup的4160端口注册，上报心跳 nsqlookupd 守护进程负责nsqd服务发现 开放http:4161，供nsqadmin和消费者查询当前nsqd列表等信息，开放tcp：4160端口给nsqd注册 nsqadmin 前端可视化页面，开放http:4171端口，连接nsqlookupd的4161端口查询数据 部署测试 docker-compose 官方配置文件没有指定端口映射，以... 2 min read · [joengtou.hashnode.dev](https://joengtou.hashnode.dev/nsq?utm_source=hashnode&utm_medium=feed) [Jun 23, 2022](https://hashnode.com/posts/nsq/62b3da0586d22092a75479c1) ### [TLS(Transport Layer Security)](https://joengtou.hashnode.dev/tls?utm_source=hashnode&utm_medium=feed) TLS(Transport Layer Security), base on TCP, build from SSL(Secure Socket Layer). 1. Why? 应用层的报文明文传输，存在安全性,可靠性问题，所以在应用层和传输层中间加上SSL/TSL协议 2. What? 保密(message privacy) 完整性(message integrity) 认证(mutual authentication) 1 min read · [joengtou.hashnode.dev](https://joengtou.hashnode.dev/tls?utm_source=hashnode&utm_medium=feed) [Jun 22, 2022](https://hashnode.com/posts/tls/62b2b7a10572b078ae517fc6)