揭露django应用程序的容器端口
我的django应用程序在本地运行时工作正常，但在容器上运行时不起作用。 这是港口问题吗？ 当我运行它作为本地应用程序（没有docker），我把它指向本地主机：8000 /民意调查，它就像一个魅力。 但是我运行容器时得到“本地主机页面不工作localhost没有发送任何数据。ERR_EMPTY_RESPONSE” 。 从https://docs.djangoproject.com/zh-cn/1.10/intro/tutorial01/上的Django教程可以看出，
O / S Windows 10
Python 3.6
Docker 17.03.0-ce
更新包括docker检查输出（容器IP地址也不工作）：
C：\ Users \ jonathan> docker inspect xenodochial_swanson [{“Id”：“0394ca73fb06492031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f”，“Created”：“2017-03-21T03：27：42.432908Z”，“Path”：“/ bin / sh”，“Args “：[”-c“，”python /usr/src/toplevel/manage.py runserver“]，”State“：{”Status“：”running“，”Running“：true，”Paused“：false，重新启动“：false，”OOMKilled“：false，”Dead“：false，”Pid“：3415，”ExitCode“：0，”Error“：”“，”StartedAt“：”2017-03-21T03：27：42.933502 Z”， “FinishedAt”： “0001-01-01T00：00：00Z”}， “图像”： “SHA256：18be11864bbd096c71343d6621712d2dfed06a3e0bef0d72bea3e3bd97d94509”， “ResolvConfPath”： “/var/lib/docker/containers/0394ca73fb06492031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f/resolv.conf” “HostnamePath”： “的/ var / lib中/搬运工/容器/ 0394ca73fb06492031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f /主机名”， “HostsPath”： “的/ var / lib中/搬运工/容器/ 0394ca73fb06492031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f /主机”， “日志path”：“的/ var / lib中/搬运工/集装箱/ 0394ca73fb064 92031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f / 0394ca73fb06492031a43c3056bc26181a0a0d5f685b414f14775dfd506a7a3f-json.log”， “名称”： “/ xenodochial_swanson”， “RESTARTCOUNT”：0， “驱动程序”： “overlay2”， “MountLabel”： “”， “ProcessLabel”： “”， “AppArmorProfile”： “”，“ExecIDs”：[“472a4b94af64b347ff34e6d98875bf16e183d04974d7497f7c6d68469398d70e”]，“HostConfig”：{“Binds”：null，“ContainerIDFile”：“”，“LogConfig”：{“Type”：“json-file”，“Config”： {}}，“NetworkMode”：“default”，“PortBindings”：{“8000 / tcp”：[{“HostIp”：“”，“HostPort”：“8000”}]}“RestartPolicy”：{ “：”否“，”MaximumRetryCount“：0，”AutoRemove“：false，”VolumeDriver“：”“，”VolumesFrom“：null，”CapAdd“：null，”CapDrop“：null，”Dns“ ，“DnsOptions”：[]，“DnsSearch”：[]，“ExtraHosts”：null，“GroupAdd”：null，“IpcMode”：“”，“Cgroup”：“”，“Links”：null，“OomScoreAdj” ：0，“PidMode”：“”，“Privileged”：false，“PublishAllPorts”：false，“ReadonlyRootfs”：false，“SecurityOpt”：null，“UTSMode”：“”，“UsernsMode”：“”， “：”Runtime“：”runc“，”ConsoleSize“：[30,120]，”Isolation“：”“，”CpuShares“：0，”Memory“：0，”NanoCpus“：0，”CgroupParent“ ：“BlkioWeightDevice”：0，“BlkioWeightDevice”：null，“BlkioDeviceReadBps”：null，“BlkioDeviceWriteBps”：null，“BlkioDeviceReadIOps”：null，“BlkioDeviceWriteIOps”：null，“CpuPeriod”：0，“CpuQuota”： 0，“CpuRealtimePeriod”：0，“CpuRealtimeRuntime”：0，“CpusetCpus”：“”，“CpusetMems”：“”，“设备”：[]，“DiskQuota”：0，“KernelMemory” ：0，“MemorySwap”：0，“MemorySwappiness”：-1，“OomKillDisable”：假，“PidsLimit”：0，“Ulimits”：null，“CpuCount”：0，“CpuPercent”：0，“IOMaximumIOps”： 0“IOMaximumBandwidth”：0}“GraphDriver”：{“Name”：“overlay2”，“Data”：{“LowerDir”：“/ var / lib / docker / overlay2 / 61d1577ad2925d86ae68c5bb2140aa7b85f4d2849866a4875a8a50f35726c7af-init / diff：/ var / LIB /泊坞窗/ overlay2 / 70d4d830664d3a9da7f1c4061421924fb27c547e771292961296b6f068549d94 / DIFF：在/ var / lib中/泊坞窗/ overlay2 / efcad5a908608693833608bb6874cd198c625e9f7dbef72a3a 2165fea42c4189 / DIFF：在/ var / lib中/搬运工/ overlay2 / 8553d226e111b5d9837656d1bfef7c6e4aa7a02280d154824db3b05dded594d9 / DIFF：在/ var / lib中/搬运工/ overlay2 / de3b36b0203b5d17ecd88106a54ae87fe49d88fb1bec04cf5641c1a9d92051fd / DIFF：在/ var / lib中/搬运工/ overlay2 / 9ff4cd59d0321627d952a01c2e97f09e9b0cee6b58b69ac1ef89ce1012fc3ca0 / DIFF：在/ var / lib中/搬运工/ overlay2 / 52161c423deed2bc1a58fbb5252332c0bf68ebe4f8843ded1679f1599d9a09b6 / DIFF：在/ var / lib中/搬运工/ overlay2 / ccf0d30cc04d29769faaaf0d3abc4c822ddea6caa62ff21a67629b74fdf5ccea / DIFF：在/ var / lib中/搬运工/ overlay2 / 9213e08c956581cdca5f99efa2632dfb1c2eb86684f7d0b4138c86a8121f43ca / DIFF：在/ var / lib中/搬运工/ overlay2 / eca56289a13e584416695b55c77907dbe40e24e726d672f5a5cf40be95521b27 / DIFF：在/ var / lib中/泊坞窗/ overlay2 / 52b015f1e0d4bf4b00ec4336091f8bc6c49c1407c6f270e56aa5c2931dd18994 / DIFF “ ”MergedDir“： ”在/ var / lib中/泊坞窗/ overlay2 / 61d1577ad2925d86ae68c5bb2140aa7b85f4d2849866a4875a8a50f35726c7af /合并“， ”UpperDir“：” 在/ var / lib中/泊坞窗/ overlay2 / 61d1577ad2925d86ae68c5bb2140aa7b85f4d2849866a4875a8a50f35726c7af / DI ff“”WorkDir“：”/ var / lib / docker / overlay2 / 61d1577ad2925d86ae68c5bb2140aa7b85f4d2849866a4875a8a50f35726c7af / work“}}，”Mounts“：[]，”Config“：{”Hostname“：”0394ca73fb06“，”Domainname“ ，“User”：“”，“AttachStdin”：false，“AttachStdout”：true，“AttachStderr”：true，“ExposedPorts”：{“8000 / tcp”：{}}，“Tty” ：false，“StdinOnce”：false，“Env”：[“PATH = / usr / local / bin：/ usr / local / sbin：/ usr / local / bin：/ usr / sbin：/ usr / bin：/ sbin ：/ bin“，”LANG = C.UTF-8“，”GPG_KEY = 0D96DF4D4110E5C43FBFB17F2D347EA6AA65421D“，”PYTHON_VERSION = 3.6.0“，”PYTHON_PIP_VERSION = 9.0.1“]，”Cmd“：[”/ bin / sh“， “-c”，“python /usr/src/toplevel/manage.py runserver”]，“ArgsEscaped”：true，“Image”：“django-polls：latest”，“Volumes”：null，“WorkingDir”：“ “Entrypoint”：null，“OnBuild”：null，“Labels”：{}}，“NetworkSettings”：{“Bridge”：“”“SandboxID”：“ab70160de420857c339a85aeb99a72533b2fd382606e08e39921dc3efcece6da”，“HairpinMode”：false，“LinkLocalIPv6Address “：”“，”LinkLocalIPv6PrefixLen“：0，”Ports“：{”8000 / tcp“：[{”HostIp“：”0.0.0.0“，”HostPort“：”8000“}]}，”SandboxKey“：”/ var / run / docker / netns / ab70160de420“，”SecondaryIPAddresses“ “SecondaryIPv6Addresses”：null，“EndpointID”：“e52b41debee6e478c638440cdf930c1a63f7a2c5a588010cd0f47fb1eea47b05”，“Gateway”：“172.17.0.1”，“GlobalIPv6Address”：“”，“GlobalIPv6PrefixLen”：0，“IPAddress”：“172.17.0.2”，“IPPrefixLen” ：16，“IPv6Gateway”：“”，“MacAddress”：“02：42：ac：11：00：02”，“networking”：{“bridge”：{“IPAMConfig”：null，“Links” “别名”：空， “NETWORKID”： “d494fc6cb4c7c4af4bb936d8a89087bce1883e64cfad5c34c52775125dc13555”， “的EndpointId”： “e52b41debee6e478c638440cdf930c1a63f7a2c5a588010cd0f47fb1eea47b05”， “网关”： “172.17.0.1”， “ip地址”： “172.17.0.2”， “IPPrefixLen”：16，“IPv6Gateway “：”，“GlobalIPv6Address”：“”，“GlobalIPv6PrefixLen”：0，“MacAddress”：“02：42：ac：11：00：02”}}}}]
Dockerfile：
FROM python:3.6 EXPOSE 8000 COPY ./ /usr/src/ RUN pip install -r /usr/src/requirements.txt RUN pip install /usr/src/django-polls/dist/django-polls-0.1.tar.gz CMD python /usr/src/toplevel/manage.py runserver 运行容器（不可见问题）：
C:\temp\djangopoc>docker run -p 8000:8000 -t django-polls Performing system checks... System check identified no issues (0 silenced). March 21, 2017 - 01:05:05 Django version 1.10.6, using settings 'mysite.settings' Starting development server at http://127.0.0.1:8000/ Quit the server with CONTROL-C.
疑难解答信息 （注意端口说0.0.0.0:8000）问题？
C:\temp\djangopoc>docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d28b7c336664 django-polls "/bin/sh -c 'pytho..." About an hour ago Up About an hour 0.0.0.0:8000->8000/tcp xenodochial_boyd
如果有助于诊断，构build指令和输出：
C:\temp\djangopoc>docker build -t django-polls:latest . Sending build context to Docker daemon 4.948 MB Step 1/6 : FROM python:3.6 3.6: Pulling from library/python Digest: sha256:438208801c4801efbf8b0e318ff6548460b27bd1fbcb7bb188273d13871ab43f Status: Downloaded newer image for python:3.6 ---> a1782fa44ef7 Step 2/6 : EXPOSE 8000 ---> Running in cde33b9d347d ---> 34ebaa1cfd3c Removing intermediate container cde33b9d347d Step 3/6 : COPY ./ /usr/src/ ---> a6b591e2fd0b Removing intermediate container e45a71d06c9a Step 4/6 : RUN pip install -r /usr/src/requirements.txt ---> Running in 9d995a9129fb Collecting appdirs==1.4.2 (from -r /usr/src/requirements.txt (line 1)) ... Collecting numpy>=1.7.0 (from pandas==0.19.2->-r /usr/src/requirements.txt (line 23)) Downloading numpy-1.12.1-cp36-cp36m-manylinux1_x86_64.whl (16.8MB) Requirement already satisfied: setuptools in /usr/local/lib/python3.6/site-packages (from pyramid==1.8.2->-r /usr/src/requirements.txt (line 28)) Installing collected packages: appdirs, six, python-dateutil, arrow, docutils, colorama, PyYAML, jmespath, botocore, s3transfer, pyasn1, rsa, awscli, chardet, binaryornot, click, MarkupSafe, Jinja2, jinja2-time, whichcraft, poyo, future, cookiecutter, decorator, Django, funcsigs, hupper, mysql-connector, pyparsing, packaging, pytz, numpy, pandas, PasteDeploy, zope.deprecation, translationstring, WebOb, venusian, zope.interface, repoze.lru, pyramid Running setup.py install for arrow: started Running setup.py install for arrow: finished with status 'done' Running setup.py install for PyYAML: started Running setup.py install for PyYAML: finished with status 'done' ... Running setup.py install for repoze.lru: started Running setup.py install for repoze.lru: finished with status 'done' Successfully installed Django-1.10.6 Jinja2-2.9.5 MarkupSafe-0.23 PasteDeploy-1.5.2 PyYAML-3.12 WebOb-1.7.1 appdirs-1.4.2 arrow-0.10.0 awscli-1.11.55 binaryornot-0.4.0 botocore-1.5.18 chardet-2.3.0 click-6.7 colorama-0.3.7 cookiecutter-1.5.1 decorator-4.0.11 docutils-0.13.1 funcsigs-1.0.2 future-0.16.0 hupper-0.4.2 jinja2-time-0.2.0 jmespath-0.9.1 mysql-connector-2.1.4 numpy-1.12.1 packaging-16.8 pandas-0.19.2 poyo-0.4.0 pyasn1-0.2.3 pyparsing-2.1.10 pyramid-1.8.2 python-dateutil-2.6.0 pytz-2016.10 repoze.lru-0.6 rsa-3.4.2 s3transfer-0.1.10 six-1.10.0 translationstring-1.3 venusian-1.0 whichcraft-0.4.0 zope.deprecation-4.2.0 zope.interface-4.3.3 ---> dbc28b5002d5 Removing intermediate container 9d995a9129fb Step 5/6 : RUN pip install /usr/src/django-polls/dist/django-polls-0.1.tar.gz ---> Running in 27d40c4a746a Processing /usr/src/django-polls/dist/django-polls-0.1.tar.gz Installing collected packages: django-polls Running setup.py install for django-polls: started Running setup.py install for django-polls: finished with status 'done' Successfully installed django-polls-0.1 ---> 1771f5ff2479 Removing intermediate container 27d40c4a746a Step 6/6 : CMD python /usr/src/toplevel/manage.py runserver ---> Running in d754737737ec ---> 18be11864bbd Removing intermediate container d754737737ec Successfully built 18be11864bbd SECURITY WARNING: You are building a Docker image from Windows against a non-Windows Docker host. All files and directories added to build context will have '-rwxr-xr-x' permissions. It is recommended to double check and reset permissions for sensitive files and directories.
在Docker机器上运行应用程序时，应该使用docker-machine ip而不是localhost
使用： docker-machine ip default获取docker机器IP，其中default是您的机器
你有没有尝试看运行你的django应用程序的容器内的日志？ 进入容器使用docker exec -it django-polls bash 。