基于dockerfile构建镜像

[root@os-machine static_web]# docker build --help 

Usage:  docker build [OPTIONS] PATH | URL | -

Build an image from a Dockerfile

Options:
            --build-arg list             Set build-time variables (default [])
            --cache-from stringSlice     Images to consider as cache sources
            --cgroup-parent string       Optional parent cgroup for the container
            --compress                   Compress the build context using gzip
            --cpu-period int             Limit the CPU CFS (Completely Fair Scheduler) period
            --cpu-quota int              Limit the CPU CFS (Completely Fair Scheduler) quota
    -c, --cpu-shares int             CPU shares (relative weight)
            --cpuset-cpus string         CPUs in which to allow execution (0-3, 0,1)
            --cpuset-mems string         MEMs in which to allow execution (0-3, 0,1)
            --disable-content-trust      Skip image verification (default true)
    -f, --file string                Name of the Dockerfile (Default is 'PATH/Dockerfile')
            --force-rm                   Always remove intermediate containers
            --help                       Print usage
            --isolation string           Container isolation technology
            --label list                 Set metadata for an image (default [])
    -m, --memory string              Memory limit
            --memory-swap string         Swap limit equal to memory plus swap: '-1' to enable unlimited swap
            --network string             Set the networking mode for the RUN instructions during build (default "default")
            --no-cache                   Do not use cache when building the image
            --pull                       Always attempt to pull a newer version of the image
    -q, --quiet                      Suppress the build output and print image ID on success
            --rm                         Remove intermediate containers after a successful build (default true)
            --security-opt stringSlice   Security options
            --shm-size string            Size of /dev/shm, default value is 64MB
    -t, --tag list                   Name and optionally a tag in the 'name:tag' format (default [])
            --ulimit ulimit              Ulimit options (default [])
    -v, --volume list                Set build-time bind mounts (default [])

[root@os-machine static_web]# cat Dockerfile 
#Version:0.0.1
FROM ubuntu:14.04.2
MAINTAINER Michael Hu "[email protected]"
RUN apt-get update && apt-get install -y nginx 
RUN echo 'Hi I am your container'\
    >/usr/share/nginx/html/index.html
EXPOSE 80

[root@os-machine static_web]# sudo docker build -t="michael/static_web" .

docker run -it 4590161a4b91 /bin/bash

    [root@os-machine ~]# sudo docker images michael/static_web
REPOSITORY           TAG                 IMAGE ID            CREATED             SIZE
michael/static_web   latest              4590161a4b91        35 minutes ago      232 MB

[root@os-machine ~]# sudo docker history 4590161a4b91
IMAGE               CREATED             CREATED BY                                      SIZE                COMMENT
4590161a4b91        35 minutes ago      /bin/sh -c #(nop)  EXPOSE 80/tcp                0 B                 
d1c417228872        35 minutes ago      /bin/sh -c echo 'Hi I am your container' >...   23 B                
889d78cfac4a        35 minutes ago      /bin/sh -c apt-get update && apt-get insta...   43.9 MB             
c10b3e8bd42d        37 minutes ago      /bin/sh -c #(nop)  MAINTAINER Michael Hu "...   0 B                 
44ae5d2a191e        2 years ago         /bin/sh -c #(nop) CMD ["/bin/bash"]             0 B                 
<missing>           2 years ago         /bin/sh -c sed -i 's/^#\s*\(deb.*universe\...   1.9 kB              
<missing>           2 years ago         /bin/sh -c echo '#!/bin/sh' > /usr/sbin/po...   195 kB              
<missing>           2 years ago         /bin/sh -c #(nop) ADD file:0a5fd3a659be172...   188 MB              

    #以守护进程的方式运行容器，以前台运行的方式启动nginx
    [root@os-machine ~]# sudo docker run -d -p 80 --name static_web michael/static_web \
> nginx -g "daemon off;"
518f90f30d984e37e36519307256e932f454ead84c030a507a12ed71af379479

#docker随机给映射一个端口到宿主机，这里是1024,浏览器访问宿主机192.160.0.103:1024

![](http://i2.51cto.com/images/blog/201806/07/86d8216577a13416b00a899affe522ce.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)