极客时间运维进阶训练营第二周作业

#1.创建工作目录chen@chen:~$ mkdir nginx-centoschen@chen:~$ cd nginx-centos
#2.准备文件chen@chen:~/nginx-centos$ ls -l-rw-rw-r-- 1 chen chen    1229 Oct 30 10:55 CentOS-Base.repo-rw-r--r-- 1 chen chen   38751 Oct 30 09:35 frontend.tar.gz-rw-r--r-- 1 chen chen 1064925 Oct 30 09:33 nginx-1.21.1.tar.gz-rw-r--r-- 1 chen chen    2812 Oct 30 09:34 nginx.conf
#3.编辑Dockerfilechen@chen:~/nginx-centos$ vi DockerfileFROM centos:centos7.9.2009MAINTAINER "chen 370460269@qq.com"RUN yum install -y gcc make zlib zlib-devel pcre pcre-devel expect openssl-develADD nginx-1.21.1.tar.gz /usr/local/src/RUN cd /usr/local/src/nginx-1.21.1 && ./configure --prefix=/apps/nginx && make && make install && ln -sv /apps/nginx/sbin/nginx /usr/binRUN groupadd -g 2088 nginx && useradd -g nginx -s /usr/sbin/nologin -u 2088 nginx && chown -R nginx.nginx /apps/nginxADD nginx.conf /apps/nginx/conf/ADD frontend.tar.gz /apps/nginx/html/EXPOSE 80 443#ENTRYPOINT ["nginx"]CMD ["/apps/nginx/sbin/nginx","-g","daemon off;"]
#4.运行容器镜像chen@chen:~/nginx-centos$ sudo docker run -d -p 80:80 nginx-centos:v11c8297128bf15b3a57475276d7ad438fbd96bc4b97cd007808fed97ce3ea241fchen@chen:~/nginx-centos$ sudo docker psCONTAINER ID   IMAGE             COMMAND                  CREATED         STATUS         PORTS                                        NAMES1c8297128bf1   nginx-centos:v1   "/apps/nginx/sbin/ng…"   6 seconds ago   Up 5 seconds   0.0.0.0:80->80/tcp, :::80->80/tcp, 443/tcp   stupefied_thompson

#1.限制容器CPU使用chen@chen:~/nginx-centos$ sudo docker run -d --rm --name cputest --cpus 1 nginx5cc912243d0af79786fec5eb76bc32867bd7d6152e8c643969108962d2acff3fchen@chen:~/nginx-centos$ sudo docker statsCONTAINER ID   NAME                 CPU %     MEM USAGE / LIMIT    MEM %     NET I/O         BLOCK I/O     PIDS5cc912243d0a   cputest              0.00%     3.246MiB / 3.84GiB   0.08%     656B / 0B       0B / 16.4kB   31c8297128bf1   stupefied_thompson   0.00%     1.863MiB / 3.84GiB   0.05%     3.52kB / 946B   0B / 0B       2
#2.限制容器内存使用chen@chen:~/nginx-centos$ sudo docker run -d --rm -m 256m --name memtest nginxWARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.d5d6e0b0fffa453d4e84d2660147019ce5eb7c5253f4f15d32b28f9cae11949bchen@chen:~/nginx-centos$ sudo docker statsCONTAINER ID   NAME                 CPU %     MEM USAGE / LIMIT    MEM %     NET I/O         BLOCK I/O     PIDSd5d6e0b0fffa   memtest              0.00%     3.191MiB / 256MiB    1.25%     586B / 0B       0B / 16.4kB   31c8297128bf1   stupefied_thompson   0.00%     1.863MiB / 3.84GiB   0.05%     3.45kB / 946B   0B / 0B       2CONTAINER ID   NAME                 CPU %     MEM USAGE / LIMIT    MEM %     NET I/O         BLOCK I/O     PIDS