使用Dockerfile搭建Nginx Web服务器

2015-01-26 wcdj

摘要：创建nginx镜像与上文《使用Dockerfile搭建Apache Web服务器》类似。

编译Nginx镜像的Dockerfile见GitHub的源码。

root@gerryyang:~/nginx_ubuntu# docker ps a
CONTAINER ID        IMAGE                                COMMAND             CREATED             STATUS              PORTS                                                                  NAMES
3fa70f39af75        ubuntu_sshd_gcc_nginx_gerry:14.04    "/run.sh"           About an hour ago   Up About an hour    0.0.0.0:30022->22/tcp, 0.0.0.0:30080->80/tcp, 0.0.0.0:30443->443/tcp   distracted_wilson     
101bc295b601        ubuntu_sshd_gcc_apache_gerry:14.04   "/run.sh"           About an hour ago   Up About an hour    0.0.0.0:20022->22/tcp, 0.0.0.0:20080->80/tcp                           suspicious_sinoussi   
cec21c3c0a1f        registry:latest                      "docker-registry"   About an hour ago   Up About an hour    0.0.0.0:5000->5000/tcp                                                 boring_torvalds       
6906a758711c        ubuntu_sshd_gcc_gerry:14.04          "/run.sh"           About an hour ago   Up About an hour    0.0.0.0:10022->22/tcp                                                  determined_kirch      
root@gerryyang:~# docker exec -it 3fa /bin/bash
root@3fa70f39af75:/etc/nginx# ps aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.1  17956  1408 ?        Ss   23:04   0:00 /bin/bash /run.sh
root         8  0.0  0.4  85868  4088 ?        S    23:04   0:00 nginx: master process /usr/sbin/nginx
root         9  0.0  0.1  61364  1192 ?        Ss   23:04   0:00 /usr/sbin/sshd
www-data    10  0.0  0.2  86212  2276 ?        S    23:04   0:00 nginx: worker process
www-data    11  0.0  0.1  86212  2020 ?        S    23:04   0:00 nginx: worker process
www-data    12  0.0  0.1  86212  2020 ?        S    23:04   0:00 nginx: worker process
www-data    13  0.0  0.1  86212  1764 ?        S    23:04   0:00 nginx: worker process
root        14  0.1  0.1  18144  1868 ?        S    23:56   0:00 /bin/bash
root        30  0.0  0.1  15568  1140 ?        R+   23:56   0:00 ps aux
root@3fa70f39af75:/etc/nginx# netstat -aunpt
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      -               
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      -               
tcp6       0      0 :::80                   :::*                    LISTEN      -               
tcp6       0      0 :::22                   :::*                    LISTEN      -    

补充说明：

1，运行Nginx的容器，为了充分发挥Nginx的性能，需要对系统内核参数做一些调整。

2，容器运行后，进入容器的方法有两种，一种是在宿主主机通过 docker exec -it $containerid /bin/bash 的方法，另一种方式是通过ssh远程登陆。