这里需要升级docker版本,因为centos7 yum源默认自带的docker版本无法使用compose，详情见: http://nanguawu.me/container/5013.html
容器部署目录结构：
[root@vm2 web_django]# tree -L 2
.
├── db
│ ├── auto.cnf
│ ├── ca-key.pem
│ ├── ca.pem
│ ├── client-cert.pem
│ ├── client-key.pem
│ ├── data01
│ ├── ib_buffer_pool
│ ├── ibdata1
│ ├── ib_logfile0
│ ├── ib_logfile1
│ ├── mysql
│ ├── performance_schema
│ ├── private_key.pem
│ ├── public_key.pem
│ ├── server-cert.pem
│ ├── server-key.pem
│ └── sys
├── docker-compose.yml
├── Dockerfile
├── manage.py
├── requirements.txt
└── website
├── __init__.py
├── settings.py
├── urls.py
└── wsgi.py
6 directories, 21 files
requirements.txt文件内容：
django==1.10.8
MySQL-python
Dockfile文件内容：
FROM python:2.7
MAINTAINER Larryliang "cecnck@gmail.com"
ENV PYTHONUNBUFFERD 1
RUN mkdir /code
RUN mkdir /code/db
RUN mkdir /code/website
WORKDIR /code
ADD requirements.txt /code/
RUN pip install -r requirements.txt -i https://pypi.douban.com/simple --trusted-host pypi.douban.com
ADD . /code/
docker-compose.yml文件内容：
version: '3'
services:
db:
image: mysql
expose:
- "3306"
volumes:
- ./db:/var/lib/mysql
environment:
- MYSQL_DATABASE=data01
- MYSQL_ROOT_PASSWORD=data01
web:
build: .
command: python manage.py runserver 0.0.0.0:8000
volumes:
- .:/code
ports:
- "8000:8000"
depends_on:
- db
Build项目
[root@vm2 web_django]# docker version
Client:
Version: 17.07.0-ce
API version: 1.31
Go version: go1.8.3
Git commit: 8784753
Built: Tue Aug 29 17:42:01 2017
OS/Arch: linux/amd64
Server:
Version: 17.07.0-ce
API version: 1.31 (minimum version 1.12)
Go version: go1.8.3
Git commit: 8784753
Built: Tue Aug 29 17:43:23 2017
OS/Arch: linux/amd64
Experimental: false
[root@vm2 web_django]# docker-compose build
db uses an image, skipping
Building web
Step 1/10 : FROM python:2.7
---> 8a90a66b719a
Step 2/10 : MAINTAINER Larryliang "cecnck@gmail.com"
---> Using cache
---> 580a124b98a8
Step 3/10 : ENV PYTHONUNBUFFERD 1
---> Using cache
---> 87f8ce3ca0a2
Step 4/10 : RUN mkdir /code
---> Using cache
---> 83f26201a74f
Step 5/10 : RUN mkdir /code/db
---> Using cache
---> 06c6e22dd86a
Step 6/10 : RUN mkdir /code/website
---> Using cache
---> c0abb5fd2218
Step 7/10 : WORKDIR /code
---> Using cache
---> 942e3b5a8e20
Step 8/10 : ADD requirements.txt /code/
---> Using cache
---> 0a4a0bd7b379
Step 9/10 : RUN pip install -r requirements.txt -i https://pypi.douban.com/simple --trusted-host pypi.douban.com
---> Using cache
---> 09600fc029fd
Step 10/10 : ADD . /code/
---> 11773f943a61
Successfully built 11773f943a61
Successfully tagged webdjango_web:latest
创建项目和APP
[root@vm2 web_django]# docker-compose run web django-admin.py startproject website .
Creating network "webdjango_default" with the default driver
Pulling db (mysql:latest)...
latest: Pulling from library/mysql
ad74af05f5a2: Already exists
0639788facc8: Pull complete
de70fa77eb2b: Pull complete
724179e94999: Pull complete
50c77fb16ba6: Pull complete
d51f459239fb: Pull complete
937bbdd4305a: Pull complete
35369f9634e1: Pull complete
f6016aab25f1: Pull complete
5f1901e920da: Pull complete
fdf808213c5b: Pull complete
Digest: sha256:96edf37370df96d2a4ee1715cc5c7820a0ec6286551a927981ed50f0273d9b43
Status: Downloaded newer image for mysql:latest
Creating webdjango_db_1 ...
Creating webdjango_db_1 ... done
修改配置website/settings.py如下，之后重新build
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'data01',
'USER': 'root',
'PASSWORD': 'data01',
'HOST': 'db',
'PORT': '3306',
}
}
启动容器：
[root@vm2 web_django]# docker-compose up
Starting webdjango_db_1 ...
Starting webdjango_db_1 ... done
Recreating webdjango_web_1 ...
Recreating webdjango_web_1 ... done
Attaching to webdjango_db_1, webdjango_web_1
db_1 | 2017-09-07T12:22:23.513202Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
db_1 | 2017-09-07T12:22:23.515941Z 0 [Note] mysqld (mysqld 5.7.19) starting as process 1 ...
db_1 | 2017-09-07T12:22:23.612191Z 0 [Note] InnoDB: PUNCH HOLE support available
db_1 | 2017-09-07T12:22:23.612240Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
db_1 | 2017-09-07T12:22:23.612247Z 0 [Note] InnoDB: Uses event mutexes
db_1 | 2017-09-07T12:22:23.612252Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
db_1 | 2017-09-07T12:22:23.612256Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3
db_1 | 2017-09-07T12:22:23.612260Z 0 [Note] InnoDB: Using Linux native AIO
db_1 | 2017-09-07T12:22:23.612510Z 0 [Note] InnoDB: Number of pools: 1
db_1 | 2017-09-07T12:22:23.612640Z 0 [Note] InnoDB: Using CPU crc32 instructions
db_1 | 2017-09-07T12:22:23.699132Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
db_1 | 2017-09-07T12:22:23.706780Z 0 [Note] InnoDB: Completed initialization of buffer pool
db_1 | 2017-09-07T12:22:23.708851Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
db_1 | 2017-09-07T12:22:23.721021Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
db_1 | 2017-09-07T12:22:24.210121Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
db_1 | 2017-09-07T12:22:24.210959Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
db_1 | 2017-09-07T12:22:24.884250Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
db_1 | 2017-09-07T12:22:24.937435Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
db_1 | 2017-09-07T12:22:24.937508Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
db_1 | 2017-09-07T12:22:24.938536Z 0 [Note] InnoDB: Waiting for purge to start
db_1 | 2017-09-07T12:22:24.989070Z 0 [Note] InnoDB: 5.7.19 started; log sequence number 12143700
db_1 | 2017-09-07T12:22:24.989543Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
db_1 | 2017-09-07T12:22:24.992481Z 0 [Note] Plugin 'FEDERATED' is disabled.
db_1 | 2017-09-07T12:22:25.148161Z 0 [Note] Found ca.pem, server-cert.pem and server-key.pem in data directory. Trying to enable SSL support using them.
db_1 | 2017-09-07T12:22:25.186490Z 0 [Warning] CA certificate ca.pem is self signed.
db_1 | 2017-09-07T12:22:25.189451Z 0 [Note] Server hostname (bind-address): '*'; port: 3306
db_1 | 2017-09-07T12:22:25.189543Z 0 [Note] IPv6 is available.
db_1 | 2017-09-07T12:22:25.189564Z 0 [Note] - '::' resolves to '::';
db_1 | 2017-09-07T12:22:25.189595Z 0 [Note] Server socket created on IP: '::'.
db_1 | 2017-09-07T12:22:25.314065Z 0 [Note] InnoDB: Buffer pool(s) load completed at 170907 12:22:25
db_1 | 2017-09-07T12:22:25.320253Z 0 [Warning] 'user' entry 'root@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.320383Z 0 [Warning] 'user' entry 'mysql.sys@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.320534Z 0 [Warning] 'db' entry 'performance_schema mysql.session@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.320580Z 0 [Warning] 'db' entry 'sys mysql.sys@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.337153Z 0 [Warning] 'proxies_priv' entry '@ root@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.486920Z 0 [Warning] 'tables_priv' entry 'user mysql.session@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.486995Z 0 [Warning] 'tables_priv' entry 'sys_config mysql.sys@localhost' ignored in --skip-name-resolve mode.
db_1 | 2017-09-07T12:22:25.741875Z 0 [Note] Event Scheduler: Loaded 0 events
db_1 | 2017-09-07T12:22:25.742708Z 0 [Note] mysqld: ready for connections.
db_1 | Version: '5.7.19' socket: '/var/run/mysqld/mysqld.sock' port: 3306 MySQL Community Server (GPL)
db_1 | 2017-09-07T12:22:25.742789Z 0 [Note] Executing 'SELECT * FROM INFORMATION_SCHEMA.TABLES;' to get a list of tables using the deprecated partition engine. You may use the startup option '--disable-partition-engine-check' to skip this check.
db_1 | 2017-09-07T12:22:25.742799Z 0 [Note] Beginning of list of non-natively partitioned tables
db_1 | 2017-09-07T12:22:25.877821Z 0 [Note] End of list of non-natively partitioned tables
或者放到后台启动：
[root@vm2 web_django]# docker-compose up -d
Starting webdjango_db_1 ...
Starting webdjango_db_1 ... done
Starting webdjango_web_1 ...
Starting webdjango_web_1 ... done
测试结果：
[root@vm2 web_django]# curl http://192.168.100.120:8000/
<!DOCTYPE html>
<html><head>
<meta http-equiv="content-type">
<meta><title>Welcome to Django</title>
<style>
html * { padding:0; margin:0; }
body * { padding:10px 20px; }
body * * { padding:0; }
body { font:small sans-serif; }
body>div { border-bottom:1px solid #ddd; }
h1 { font-weight:normal; }
h2 { margin-bottom:.8em; }
h2 span { font-size:80%; color:#666; font-weight:normal; }
h3 { margin:1em 0 .5em 0; }
h4 { margin:0 0 .5em 0; font-weight: normal; }
table { border:1px solid #ccc; border-collapse: collapse; width:100%; background:white; }
tbody td, tbody th { vertical-align:top; padding:2px 3px; }
thead th {
padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
font-weight:normal; font-size:11px; border:1px solid #ddd;
}
tbody th { width:12em; text-align:right; color:#666; padding-right:.5em; }
#summary { background: #e0ebff; }
#summary h2 { font-weight: normal; color: #666; }
#explanation { background:#eee; }
#instructions { background:#f6f6f6; }
#summary table { border:none; background:transparent; }
</style>
</head>
<body>
<div>
<h1>It worked!</h1>
<h2>Congratulations on your first Django-powered page.</h2>
</div>
<div>
<p>
Of course, you haven't actually done any work yet. Next, start your first app by running <code>python manage.py startapp [app_label]</code>.
</p>
</div>
<div>
<p>
You're seeing this message because you have <code>DEBUG = True</code> in your Django settings file and you haven't configured any URLs. Get to work!
</p>
</div>
</body></html>
观察容器状态：
[root@vm2 web_django]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2d549e242606 webdjango_web "python manage.py ..." 7 minutes ago Up 50 seconds 0.0.0.0:8000->8000/tcp webdjango_web_1
ce18133de30c mysql "docker-entrypoint..." About an hour ago Up 51 seconds 3306/tcp webdjango_db_1
[root@vm2 web_django]# docker top 2d549e242606 #查看容器中进程
UID PID PPID C STIME TTY TIME CMD
root 20355 20335 0 08:28 ? 00:00:00 python manage.py runserver 0.0.0.0:8000
root 20433 20355 1 08:28 ? 00:00:05 /usr/local/bin/python manage.py runserver 0.0.0.0:8000
[root@vm2 web_django]# docker exec -it 2d549e242606 df -Th #容器中执行一条命令并返回
Filesystem Type Size Used Avail Use% Mounted on
overlay overlay 27G 3.9G 24G 15% /
tmpfs tmpfs 489M 0 489M 0% /dev
tmpfs tmpfs 489M 0 489M 0% /sys/fs/cgroup
/dev/mapper/cl-root xfs 27G 3.9G 24G 15% /code
shm tmpfs 64M 0 64M 0% /dev/shm
tmpfs tmpfs 489M 0 489M 0% /sys/firmware
[root@vm2 web_django]# docker diff 2d549e242606 #查看容器变化
C /usr
C /usr/local
C /usr/local/lib
C /usr/local/lib/python2.7
A /usr/local/lib/python2.7/decimal.pyc
A /usr/local/lib/python2.7/UserList.pyc
A /usr/local/lib/python2.7/argparse.pyc
A /usr/local/lib/python2.7/BaseHTTPServer.pyc
C /usr/local/lib/python2.7/wsgiref
A /usr/local/lib/python2.7/wsgiref/__init__.pyc
A /usr/local/lib/python2.7/wsgiref/simple_server.pyc
A /usr/local/lib/python2.7/wsgiref/util.pyc
A /usr/local/lib/python2.7/wsgiref/handlers.pyc
A /usr/local/lib/python2.7/wsgiref/headers.pyc
A /usr/local/lib/python2.7/imghdr.pyc
C /usr/local/lib/python2.7/email
C /usr/local/lib/python2.7/email/mime
A /usr/local/lib/python2.7/email/mime/nonmultipart.pyc
A /usr/local/lib/python2.7/email/mime/message.pyc
A /usr/local/lib/python2.7/email/mime/base.pyc
A /usr/local/lib/python2.7/email/mime/multipart.pyc
A /usr/local/lib/python2.7/email/mime/audio.pyc
A /usr/local/lib/python2.7/email/mime/image.pyc
A /usr/local/lib/python2.7/email/mime/text.pyc
A /usr/local/lib/python2.7/sndhdr.pyc
[root@vm2 web_django]# docker inspect 2d549e242606
[
{
"Id": "2d549e2426067461adc1d635bb5f41db464bf0b8d57fbe57ddd9b5381c67e24e",
"Created": "2017-09-07T12:22:22.395256812Z",
"Path": "python",
"Args": [
"manage.py",
"runserver",
"0.0.0.0:8000"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 20355,
"ExitCode": 0,
"Error": "",
"StartedAt": "2017-09-07T12:28:57.89394279Z",
"FinishedAt": "2017-09-07T12:28:52.523766859Z"
},
...
...
"Networks": {
"webdjango_default": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"web",
"2d549e242606"
],
"NetworkID": "fc66e543785ee4abb611ad6b3319717fb0f6af56fd710358990e0f0309d34b59",
"EndpointID": "54ef82cd8b8bcea0abe60e4c9428ab6401839ac1df6972be6da9b75923372994",
"Gateway": "172.18.0.1",
"IPAddress": "172.18.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:12:00:03",
"DriverOpts": null
}
}
}
}
]
关闭容器：
[root@vm2 web_django]# docker-compose down
Stopping webdjango_web_1 ... done
Stopping webdjango_db_1 ... done
Removing webdjango_web_1 ... done
Removing webdjango_web_run_5 ... done
Removing webdjango_web_run_4 ... done
Removing webdjango_web_run_3 ... done
Removing webdjango_web_run_2 ... done
Removing webdjango_web_run_1 ... done
Removing webdjango_db_1 ... done
Removing network webdjango_default
至此django环境搭建测试完毕。