docker 安装 nginx

    1. #1. 搜索镜像 search 建议去docker 搜索,可以看到帮助文档
    2. #2. 下载  pull
    3. #3. 运行测试
    5. root@VM-24-6-centos home]# docker images
    6. REPOSITORY   TAG       IMAGE ID       CREATED        SIZE
    7. nginx        latest    605c77e624dd   5 months ago   141MB
    8. centos       latest    5d0da3dc9764   9 months ago   231MB
    10. # -d 后台运行
    11. # --name 给容器命名
    12. # -p宿主机端口:容器内部端口
    14. [root@VM-24-6-centos home]# docker run -d --name nginx01 -p 6800:80 nginx
    15. c0fad6cdda5ddf02f7163ca26bb528248cff391ad00c2bcd691945a45e350e58
    16. [root@VM-24-6-centos home]# docker ps
    17. CONTAINER ID   IMAGE     COMMAND                  CREATED         STATUS         PORTS                                   NAMES
    18. c0fad6cdda5d   nginx     "/docker-entrypoint.…"   5 seconds ago   Up 4 seconds   0.0.0.0:6800->80/tcp, :::6800->80/tcp   nginx01
    19. [root@VM-24-6-centos home]# curl localhost:6800
    20. <!DOCTYPE html>
    21. <html>
    22. <head>
    23. <title>Welcome to nginx!</title>
    24. <style>
    25. html { color-scheme: light dark; }
    26. body { width: 35em; margin: 0 auto;
    27. font-family: Tahoma, Verdana, Arial, sans-serif; }
    28. </style>
    29. </head>
    30. <body>
    31. <h1>Welcome to nginx!</h1>
    32. <p>If you see this page, the nginx web server is successfully installed and
    33. working. Further configuration is required.</p>
    35. <p>For online documentation and support please refer to
    36. <a href="http://nginx.org/">nginx.org</a>.<br/>
    37. Commercial support is available at
    38. <a href="http://nginx.com/">nginx.com</a>.</p>
    40. <p><em>Thank you for using nginx.</em></p>
    41. </body>
    42. </html>
    44. #进入容器
    45. [root@VM-24-6-centos home]# docker exec -it nginx01 /bin/bash
    46. root@c0fad6cdda5d:/# whereis nginx
    47. nginx: /usr/sbin/nginx /usr/lib/nginx /etc/nginx /usr/share/nginx
    48. root@c0fad6cdda5d:/# cd /etc/nginx
    49. root@c0fad6cdda5d:/etc/nginx# ls
    50. conf.d    fastcgi_params    mime.types  modules  nginx.conf  scgi_params  uwsgi_params
    51. root@c0fad6cdda5d:/etc/nginx#

    端口暴露的概念:
    34.jpg
    思考问题:每次改动nginx文件都需要进入容器内部,是否可以在容器外部提供一个映射路径,映射到容器,外面修改容器内部就能自动修改? -V 数据集技术