这是我的 Dockerfile:
\n\n# CentOs base image\nFROM centos:centos6.8\n\n# install python, pip, apache and other packages\nRUN yum -y update; yum clean all\nRUN yum -y install epel-release; yum clean all\nRUN yum -y install centos-release-scl; yum clean all\nRUN yum -y install python27; yum clean all\nRUN yum -y install python-devel.x86_64; yum clean all\nRUN yum -y install python-pip; yum clean all\nRUN yum -y install gcc; yum clean all\nRUN yum -y install httpd httpd-devel mod_ssl; yum clean all\n\n# Make a non root user so I can run mod_wsgi without root\n# USER adm\n\n# install Python modules needed by the Python app\nCOPY requirements.txt /usr/src/app/\nRUN pip install --no-cache-dir -r /usr/src/app/requirements.txt\n\n# copy files required for the app to run\nCOPY . /usr/src/app/\n\n# tell the port number the container should expose\nEXPOSE 80\n\n# run the application\n# CMD ["mod_wsgi", "start-server run_apache_server.wsgi"]\n# CMD ["cat", "/etc/passwd"]\n# CMD ["cat", "/etc/group"]\n# CMD ["find", "/"]\nCMD ["/bin/sh", "-c", "/usr/bin/mod_wsgi-express start-server run_apache_server.wsgi --user adm --group apache"]\nRun Code Online (Sandbox Code Playgroud)\n\n我可以运行该应用程序:
\n\n$ docker run -d -P --name myapp jacobirr/pleromatest\nRun Code Online (Sandbox Code Playgroud)\n\n并查看 tcp 端口 80:
\n\n$ docker port myapp\n80/tcp -> 0.0.0.0:32769\nRun Code Online (Sandbox Code Playgroud)\n\n这是我的要求.txt:
\n\nFlask==0.10.1\nFlask-Restless==0.13.1\nFlask-SQLAlchemy==0.16\nJinja2==2.7\nMarkupSafe==0.18\nSQLAlchemy==0.8.2\nWerkzeug==0.9.2\ngunicorn==17.5\nitsdangerous==0.22\nmimerender==0.5.4\npython-dateutil==2.1\npython-mimeparse==0.1.4\nrequests==1.2.3\nsix==1.3.0\nwsgiref==0.1.2\nsetuptools==5.4.2\nmod_wsgi==4.5.15\nRun Code Online (Sandbox Code Playgroud)\n\n为什么我无法localhost:32769在浏览器中访问?我怀疑这与:
\xe2\x80\xa2运行 apache 的用户/组?
\n\n\xe2\x80\xa2事实上我正在安装,mod_wsgi但它在docker“文件系统”上不存在,所以我必须使用mod_wsgi-express?
更新:
\n\n\'1\' Netstat 显示:
\n\n[root@9003b0d64916 app]# netstat -l\nActive Internet connections (only servers)\nProto Recv-Q Send-Q Local Address Foreign Address State \ntcp 0 0 *:irdmi *:* LISTEN \nActive UNIX domain sockets (only servers)\nProto RefCnt Flags Type State I-Node Path\nunix 2 [ ACC ] STREAM LISTENING 113181 /tmp/mod_wsgi-localhost:8000:0/wsgi.1.0.1.sock\nRun Code Online (Sandbox Code Playgroud)\n\n\'2\' httpd 似乎正在我的容器中运行:
\n\n[root@9003b0d64916 mod_wsgi-localhost:8000:0]# ps aux | grep httpd\nroot 1 0.0 0.2 64060 5084 ? Ss 21:17 0:00 httpd (mod_wsgi-express) -f /tmp/mod_wsgi-localhost:8000:0/httpd.conf -k start -DFOREGROUND\nadm 6 0.0 0.6 350928 13936 ? Sl 21:17 0:00 (wsgi:localhost:8000:0) -f /tmp/mod_wsgi-localhost:8000:0/httpd.conf -k start -DFOREGROUND\nadm 7 0.0 0.1 64192 3248 ? S 21:17 0:00 httpd (mod_wsgi-express) -f /tmp/mod_wsgi-localhost:8000:0/httpd.conf -k start -DFOREGROUND\nRun Code Online (Sandbox Code Playgroud)\n
从您的所有输出来看,您的 httpd / uwsgi 进程肯定绑定到 8000,这是您需要在容器上公开的端口。
netstat 中的这一行显示了 8000 上的绑定,没有其他内容。
tcp 0 0 *:irdmi *:* LISTEN
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这里并不明显,但是如果您使用该--numeric-ports参数,它不会将 8000 转换为其已知端口。
在你的 docker 文件中,你应该再次
EXPOSE 8000
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启动容器时,您还可以指定要在主机上使用的端口:
docker run -p 8080:8000 --name ...
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之后,您应该能够使用浏览器来点击
localhost:8080 -> container:8000
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