build: 将诸多配置项变为从环境变量读取，便于后续支持 Docker

DJANGO_DEBUG
DJANGO_SECRET_KEY
DJANGO_MYSQL_DATABASE
DJANGO_MYSQL_USER
DJANGO_MYSQL_PASSWORD
DJANGO_MYSQL_HOST
DJANGO_MYSQL_PORT

DJANGO_MEMCACHED_ENABLE
DJANGO_MEMCACHED_LOCATION
DJANGO_BAIDU_NOTIFY_URL

DJANGO_EMAIL_TLS
DJANGO_EMAIL_SSL
DJANGO_EMAIL_HOST
DJANGO_EMAIL_PORT
DJANGO_EMAIL_USER
DJANGO_EMAIL_PASSWORD
DJANGO_ADMIN_EMAIL
DJANGO_WXADMIN_PASSWORD
DJANGO_WEROBOT_TOKEN

.gitignore

@@ -63,6 +63,8 @@ target/
 .idea
 .iml
 
+# virtualenv
+venv/
 
 migrations/
 !migrations/__init__.py

DjangoBlog/settings.py

@@ -12,17 +12,23 @@ https://docs.djangoproject.com/en/1.10/ref/settings/
 import sys
 import os
 
+
+def env_to_bool(env, default):
+    str_val = os.environ.get(env)
+    return default if str_val is None else str_val == 'True'
+
+
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'n9ceqv38)#&mwuat@(mjb_p%em$e8$qyr#fw9ot!=ba6lijx-6'
-
+SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY') or 'n9ceqv38)#&mwuat@(mjb_p%em$e8$qyr#fw9ot!=ba6lijx-6'
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
+DEBUG = env_to_bool('DJANGO_DEBUG', True)
 # DEBUG = False
 TESTING = len(sys.argv) > 1 and sys.argv[1] == 'test'
 
@@ -98,11 +104,11 @@ WSGI_APPLICATION = 'DjangoBlog.wsgi.application'
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.mysql',
-        'NAME': 'djangoblog',
-        'USER': os.environ.get('DJANGO_MYSQL_USER'),
-        'PASSWORD': os.environ.get('DJANGO_MYSQL_PASSWORD'),
-        'HOST': os.environ.get('DJANGO_MYSQL_HOST'),
-        'PORT': 3306,
+        'NAME': os.environ.get('DJANGO_MYSQL_DATABASE') or 'djangoblog',
+        'USER': os.environ.get('DJANGO_MYSQL_USER') or 'root',
+        'PASSWORD': os.environ.get('DJANGO_MYSQL_PASSWORD') or 'djangoblog_123',
+        'HOST': os.environ.get('DJANGO_MYSQL_HOST') or '127.0.0.1',
+        'PORT': int(os.environ.get('DJANGO_MYSQL_PORT') or 3306),
         'OPTIONS': {'charset': 'utf8mb4'},
     }
 }
@@ -177,11 +183,10 @@ CACHE_CONTROL_MAX_AGE = 2592000
 CACHES = {
     'default': {
         'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
-        'LOCATION': '127.0.0.1:11211',
+        'LOCATION': os.environ.get('DJANGO_MEMCACHED_LOCATION') or '127.0.0.1:11211',
         'KEY_PREFIX': 'django_test' if TESTING else 'djangoblog',
         'TIMEOUT': 60 * 60 * 10
-    },
-    'locmemcache': {
+    } if env_to_bool('DJANGO_MEMCACHED_ENABLE', True) else {
         'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
         'TIMEOUT': 10800,
         'LOCATION': 'unique-snowflake',
@@ -189,24 +194,23 @@ CACHES = {
 }
 
 SITE_ID = 1
-BAIDU_NOTIFY_URL = "http://data.zz.baidu.com/urls?site=https://www.lylinux.net&token=1uAOGrMsUm5syDGn"
+BAIDU_NOTIFY_URL = os.environ.get('DJANGO_BAIDU_NOTIFY_URL') \
+                   or 'http://data.zz.baidu.com/urls?site=https://www.lylinux.net&token=1uAOGrMsUm5syDGn'
 
-# Emial:
+# Email:
 EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
-
-# EMAIL_USE_TLS = True
-EMAIL_USE_SSL = True
-
-EMAIL_HOST = 'smtp.mxhichina.com'
-EMAIL_PORT = 465
+EMAIL_USE_TLS = env_to_bool('DJANGO_EMAIL_TLS', False)
+EMAIL_USE_SSL = env_to_bool('DJANGO_EMAIL_SSL', True)
+EMAIL_HOST = os.environ.get('DJANGO_EMAIL_HOST') or 'smtp.mxhichina.com'
+EMAIL_PORT = int(os.environ.get('DJANGO_EMAIL_PORT') or 465)
 EMAIL_HOST_USER = os.environ.get('DJANGO_EMAIL_USER')
 EMAIL_HOST_PASSWORD = os.environ.get('DJANGO_EMAIL_PASSWORD')
 DEFAULT_FROM_EMAIL = EMAIL_HOST_USER
-SERVER_EMAIL = os.environ.get('DJANGO_EMAIL_USER')
+SERVER_EMAIL = EMAIL_HOST_USER
 # Setting debug=false did NOT handle except email notifications
-ADMINS = [('admin', 'admin@admin.com')]
+ADMINS = [('admin', os.environ.get('DJANGO_ADMIN_EMAIL') or 'admin@admin.com')]
 # WX ADMIN password(Two times md5)
-WXADMIN = '995F03AC401D6CABABAEF756FC4D43C7'
+WXADMIN = os.environ.get('DJANGO_WXADMIN_PASSWORD') or '995F03AC401D6CABABAEF756FC4D43C7'
 
 LOGGING = {
     'version': 1,

docker-support/dev-environment-setup.yml

@@ -0,0 +1,21 @@
+version: '3'
+services:
+  mysql:
+    image: mysql:5.7
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: djangoblog_123
+      MYSQL_DATABASE: djangoblog
+    volumes:
+      - mysql:/var/lib/mysql
+    ports:
+      - '3306:3306'
+    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
+  memcached:
+    image: memcached:1.6-alpine
+    restart: always
+    ports:
+      - '11211:11211'
+    command: memcached -m 64
+volumes:
+  mysql: ~

servermanager/robot.py

@@ -26,7 +26,7 @@ from django.conf import settings
 import jsonpickle
 from servermanager.models import commands
 
-robot = WeRoBot(token='lylinux', enable_session=True)
+robot = WeRoBot(token=os.environ.get('DJANGO_WEROBOT_TOKEN') or 'lylinux', enable_session=True)
 memstorage = MemcacheStorage()
 if memstorage.is_available:
     robot.config['SESSION_STORAGE'] = memstorage