Dockerfile构建Nginx镜像

编写Dockerfile

[root@aliyun docker_nginx]# ll		# 
total 8
-rw-r--r-- 1 root root 434 Nov  4 12:12 dockerfile
-rw-r--r-- 1 root root  40 Nov  4 12:01 run.sh
[root@aliyun docker_nginx]#

# dockerfile内容
FROM centos:7.6.1810
MAINTAINER MoWenJie
RUN yum install -y wget proc-devel net-tools gcc zlib zlib-devel make openssl-devel     # 安装编译软件及依赖
RUN wget http://nginx.org/download/nginx-1.9.7.tar.gz   # 下载nginx软件包
RUN tar zxvf nginx-1.9.7.tar.gz         # 解压
WORKDIR nginx-1.9.7     # 切换到解压后的目录
RUN ./configure --prefix=/usr/local/nginx && make && make install       # 编译安装
EXPOSE 80       # 暴露端口
EXPOSE 443
RUN echo "daemon off;" >> /usr/local/nginx/conf/nginx.conf      # 关闭守护进程
ADD run.sh /run.sh      # 将宿主机中的run.sh添加到容器中
RUN chmod 755 /run.sh
CMD ["/run.sh"]         # 启动容器是执行nginx启动脚本

# run.sh内容
[root@aliyun docker_nginx]# cat run.sh 
#!/bin/bash
/usr/local/nginx/sbin/nginx
[root@aliyun docker_nginx]#

构建镜像

[root@aliyun docker_nginx]# ll
total 8
-rw-r--r-- 1 root root 434 Nov  4 12:12 dockerfile
-rw-r--r-- 1 root root  40 Nov  4 12:01 run.sh
[root@aliyun docker_nginx]# docker build -t nginx:1.0 .
Sending build context to Docker daemon 3.072 kB
Step 1/13 : FROM centos:7.6.1810
 ---> f1cb7c7d58b7
Step 2/13 : MAINTAINER MoWenJie
 ---> Using cache
 ---> 652a92e8f2fa
Step 3/13 : RUN yum install -y wget proc-devel net-tools gcc zlib zlib-devel make openssl-devel
 ---> Using cache
 ---> f7318ed50bf0
Step 4/13 : RUN wget http://nginx.org/download/nginx-1.9.7.tar.gz
 ---> Using cache
 ---> cfafb98ee34f
Step 5/13 : RUN tar zxvf nginx-1.9.7.tar.gz
 ---> Using cache
 ---> cf9f86fc026b
 ................. 	# 由于是编译安装，过程省略
 Removing intermediate container d43b139b3f6e
Step 11/13 : ADD run.sh /run.sh
 ---> 60a4d6081363
Removing intermediate container 66d586d53972
Step 12/13 : RUN chmod 755 /run.sh
 ---> Running in 0ab9149e5f6d
 ---> 38e6a6de2c24
Removing intermediate container 0ab9149e5f6d
Step 13/13 : CMD /run.sh
 ---> Running in 86b91abacb70
 ---> d096eb0ab43c
Removing intermediate container 86b91abacb70
Successfully built d096eb0ab43c
[root@aliyun docker_nginx]#

查看镜像

[root@aliyun docker_nginx]# docker image ls 
REPOSITORY             TAG                 IMAGE ID            CREATED              SIZE
nginx                  1.0                 d096eb0ab43c        About a minute ago   385 MB
repostory/tomcat_jdk   2.0                 0e41970d2da1        5 days ago           623 MB
repostory/tomcat_jdk   latest              0e41970d2da1        5 days ago           623 MB
centos                 7.6.1810            f1cb7c7d58b7        7 months ago         202 MB
[root@aliyun docker_nginx]#

启动容器

[root@aliyun docker_nginx]# docker run -d -p 80:80 -p 443:443 --name nginx nginx:1.0 
3d78648875a29539fee1b983e6f59d3d0e06891cbaa855668473c7831c53b917
[root@aliyun docker_nginx]# docker container ls -a
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                      NAMES
3d78648875a2        nginx:1.0           "/run.sh"           7 seconds ago       Up 6 seconds        0.0.0.0:80->80/tcp, 0.0.0.0:443->443/tcp   nginx
[root@aliyun docker_nginx]#