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Docker 官方提供了一个搭建私有仓库的镜像 registry ,运行该镜像的容器并且对外暴露5000端口就ok了。通常我们在docker拉取的镜像都是在docker hub或quay.io等公有仓库获取,那么在实际工作中,每个公司如果使用到docker,那么肯定是要搭建自己的私有仓库。那么接下来就通过docker提供的registry镜像来搭建我们自己的私有仓库。
- mkdir /nginx
-
- FROM centos:7
- RUN yum install -y gcc pcre pcre-devel devel zlib-devel make
- ADD nginx-1.12.2.tar.gz /mnt
- WORKDIR /mnt/nginx-1.12.2
- #关闭debug日志
- RUN sed -i 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc
- RUN ./configure --prefix=/usr/local/nginx
- RUN make
- RUN make install
- EXPOSE 80
- VOLUME ["/usr/local/nginx/html"]
- CMD ["/usr/local/nginx/sbin/nginx","-g","daemon off;"]



- [root@localhost nginx]# vim dockerfile
-
- FROM centos:7
- RUN yum install -y gcc pcre pcre-devel devel zlib-devel make &> /dev/null && yum clean all
- ADD nginx-1.12.2.tar.gz /opt/nginx
- WORKDIR /opt/nginx/nginx-1.12.2
- RUN sed -i 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc
- RUN ./configure --prefix=/usr/local/nginx &> /dev/null
- RUN make &> /dev/null
- RUN make install &> /dev/null
- RUN rm -rf /opt/nginx/nginx-1.12.2
- EXPOSE 80
- VOLUME ["/usr/local/nginx/html"]
- CMD ["/usr/local/nginx/sbin/nginx""-g","daemon off;"]



可以使用&&连接,减少使用RUN的次数
- FROM centos:7
- ADD nginx-1.12.2.tar.gz /opt/nginx
- WORKDIR /opt/nginx/nginx-1.12.2
- RUN yum install -y gcc pcre pcre-devel devel zlib-devel make &> /dev/null && \
- yum clean all && \
- sed -i 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc && \
- ./configure --prefix=/usr/local/nginx &> /dev/null && \
- make &> /dev/null && make install &> /dev/null &&\
- rm -rf /opt/nginx/nginx-1.12.2
- EXPOSE 80
- VOLUME ["/usr/local/nginx/html"]
- CMD ["/usr/local/nginx/sbin/nginx","-g","daemon off;"]
-



使用FROM命令生成多个镜像,将指定的镜像做为其他镜像的基础镜像环境来构建
- FROM centos:7 as build
- ADD nginx-1.12.2.tar.gz /opt/nginx
- WORKDIR /opt/nginx/nginx-1.12.2
- RUN yum install -y gcc pcre pcre-devel devel zlib-devel make &> /dev/null && \
- yum clean all &&\
- sed -i 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc && \
- ./configure --prefix=/usr/local/nginx &> /dev/null && \
- make &>/dev/null && \
- make install &>/dev/null && \
- rm -rf /opt/nginx/nginx-1.12.2
-
- FROM centos:7
- EXPOSE 80
- VOLUME ["/usr/local/nginx/html"]
- COPY --from=build /usr/local/nginx /usr/local/nginx
- CMD ["/usr/local/nginx/sbin/nginx","-g","daemon off;"]
-




- debian
- alpine
- apt add
- Sandbox
- Busybox
docker pull registry

- 在 daemon.json 文件中添加私有镜像仓库的地址并重启
- vim /etc/docker/daemon.json
-
- cat /etc/docker/daemon.json
- {
- "insecure-registries": ["192.168.58.19:5000"],
- "registry-mirrors": ["https://f1jd7jnk.mirror.aliyuncs.com"]
- }
- systemctl daemon-reload
- systemctl restart docker.service


- docker create -it registry /bin/bash
- docker run -d -p 5000:5000 -v /data/registry:/tmp/registry registry
- '//-p指定端口,一内一外;-v表示挂载,前者是宿主机,后者是容器'

必须先给镜像打标签再上传,不然默认是去公共仓库
- #打标签
- docker tag nginx:latest 192.168.58.19:5000/nginx
- #上传
- docker push 192.168.58.19:5000/nginx
-

- curl -XGET http://192.168.58.19:5000/v2/_catalog
-
- '//若成功会返回以下值'
- {"repositories":["nginx"]}

先删除原有的 centos 镜像,在从本地仓库下载进行测试
- #删除原有镜像
- docker rmi 192.168.58.19:5000/tomcat:latest
- #查看镜像
- docker images
- #从本地仓库下载镜像
- docker pull 192.168.58.19:5000/tomcat
- #查看镜像
- docker images
-


Docker 官方提供了一个搭建私有仓库的镜像 registry,通常我们在docker拉取的镜像都是在docker hub或quay.io等公有仓库获取,那么在实际工作中,每个公司如果使用到docker,那么肯定是要搭建自己的私有仓库。
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