1 准备基础镜像Dockerfile  根据golang:1.16 的debian系统自己制作

FROM golang:1.16

#维护人员
MAINTAINER Lvv <123@qq.com>


ENV TZ=Asia/Shanghai \
    DEBIAN_FRONTEND=noninteractive

RUN ln -fs /usr/share/zoneinfo/${TZ} /etc/localtime \
    && echo ${TZ} > /etc/timezone \
    && dpkg-reconfigure --frontend noninteractive tzdata \
    && rm -rf /var/lib/apt/lists/*
 
#更新alpine,并安装curl bash bash-doc bash-completion
RUN apt-get update \ 
    && apt-get install net-tools \
    && apt-get clean

docker build -t golang:1.16-debian .

运行下测试时区:
[root@docker-cs3 go]# docker run -it --rm golang:1.16-debian /bin/sh
# date    
Fri Oct  8 22:12:19 CST 2021
# netstat -tunl                                                                 
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State   


推送到自己的harbor仓库:
 docker login -u xxx -p xxx myhub.mydocker.com

[root@docker-cs3 go]# docker tag  golang:1.16-debian myhub.mydocker.com/base/debian-golang:1.16
[root@docker-cs3 go]# docker push myhub.mydocker.com/base/debian-golang:1.16

2  使用基础镜像编写golang应用的Dockerfile

FROM  myhub.mydocker.com/base/debian-golang:1.16

ENV GO111MODULE=on \
    GOPROXY=https://goproxy.cn,direct \
    GIN_MODE=release

WORKDIR /opt/microservice

COPY . .

RUN go build .

EXPOSE 8090

ENTRYPOINT ["./gin-k8s"]

构建:
docker build -t gin-k8s:0.1 .

测试:

[root@docker-cs3 gin-k8s]# docker run -it --rm -p 8090:8090 gin-k8s:0.1  /bin/bash
数据库连接成功 0x25e4f98
使用日志中间件
创建目录成功
/opt/microservice/logs/access.log


常备命令: 有时候build失败,根据失败前的镜像id /bin/bash进去查看镜像情况:
docker run -it --rm  f1a3b860ed6e /bin/bash