added wait for database to start

on the very first time you ran docker-compose up, it would not work because the database was not fully built. now it should work regardless

Dockerfile

 FROM python:2.7
 ENV PYTHONUNBUFFERED 1
-# currently this doesnt do anything 
-
+# HEALTHCHECK CMD curl --fail http://localhost:8000/ || exit 1
 RUN mkdir /go
 WORKDIR /go
 ADD requirements.txt /go/
-# 
+
 RUN apt-get update
 RUN apt-get install git-all -y
 RUN apt-get install python2.7-dev -y
 RUN apt-get install libsasl2-dev -y
 RUN apt-get install libldap2-dev -y
+RUN apt-get install netcat -y
+
 RUN apt-get install 
 RUN pip install -r requirements.txt
 ADD . /go/

docker-compose.yml

@@ -2,6 +2,7 @@ version: '2'
 services:
   web:
     build: .
+    restart: always
     ports:
       - '8000:8000'
     command: /bin/bash ./startup.sh -python go/manage.py runserver 0.0.0.0:8000

go/settings/settings0.py → go/settings/settings1.py

- # Create a new file 'settings.py' and copy these contents into that file
+#Create a new file 'settings.py' and copy these contents into that file
 import secret
 import os
- 
+
 AUTH_MODE = "CAS"
- 
+
 BASE_DIR = os.path.dirname(os.path.dirname(__file__))
- 
- # DEBUG mode is used to view more details when errors occur
- # Do not have set True in production
-DEBUG = True
- 
+
+# DEBUG mode is used to view more details when errors occur
+# Do not have set True in production
+DEBUG = os.environ['debug']
+
 ADMINS = ()
 MANAGERS = ADMINS
- 
+
 DATABASES = {
-     'default': {
-         'ENGINE': 'django.db.backends.mysql',
-         'NAME': 'go',
-         'USER': os.environ['DB_USER'],
-         'PASSWORD': os.environ['DB_PASSWORD'],
-         'HOST': 'db',
-         'PORT': '3306',
+    'default': {
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': secret.DB_NAME,
+        'USER': secret.DB_USER,
+        'PASSWORD': secret.DB_PASSWORD,
+        'HOST': secret.DB_HOST,
+        'PORT': '3306',
     }
 }
- 
- # The domains this application will be deployed on
- # e.g. Which domains this app should listen to requests from.
-ALLOWED_HOSTS = ['*']
- 
- # Peoplefinder API
+
+# The domains this application will be deployed on
+# e.g. Which domains this app should listen to requests from.
+ALLOWED_HOSTS = [os.environ['host']]
+
+# Peoplefinder API
 PF_URL = "http://api.srct.gmu.edu/pf/v1/"
- 
+
 TIME_ZONE = 'America/New_York'
 LANGUAGE_CODE = 'en-us'
 SITE_ID = 1
 USE_I18N = True
 USE_L10N = True
 USE_TZ = True
- 
+
 MEDIA_URL = '/media/'
 MEDIA_ROOT = ''
 MEDIAFILES_DIRS = (
-    os.path.join(BASE_DIR, 'media/'),
+  os.path.join(BASE_DIR, 'media/'),
 )
- 
+
 STATIC_URL = '/static/'
 STATIC_ROOT = ''
 STATICFILES_DIRS = (
-    os.path.join(BASE_DIR, 'static/'),
+  os.path.join(BASE_DIR, 'static/'),
 )
- 
+
 STATICFILES_FINDERS = (
     'django.contrib.staticfiles.finders.FileSystemFinder',
     'django.contrib.staticfiles.finders.AppDirectoriesFinder',
 )
- 
+
 SECRET_KEY = secret.SECRET_KEY
- 
+
 TEMPLATES = [
-     {
-         'BACKEND': 'django.template.backends.django.DjangoTemplates',
-         'DIRS': [
-             os.path.join(BASE_DIR, 'templates')
-         ],
-         'OPTIONS': {
-             'context_processors': [
-                 'django.contrib.auth.context_processors.auth',
-                 'django.template.context_processors.request'
-             ],
-             'loaders': [
-                 'django.template.loaders.app_directories.Loader'
-             ],
-             'debug': DEBUG
-         }
-     }
- ]
- 
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [
+            os.path.join(BASE_DIR, 'templates')
+        ],
+        'OPTIONS': {
+            'context_processors': [
+                'django.contrib.auth.context_processors.auth',
+                'django.template.context_processors.request'
+            ],
+            'loaders': [
+                'django.template.loaders.app_directories.Loader'
+            ],
+            'debug': DEBUG
+        }
+    }
+]
+
 MIDDLEWARE_CLASSES = (
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -83,69 +83,68 @@ MIDDLEWARE_CLASSES = (
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
 )
- 
+
 ROOT_URLCONF = 'settings.urls'
- 
+
 WSGI_APPLICATION = 'settings.wsgi.application'
- 
+
 INSTALLED_APPS = (
-   'django.contrib.auth',
-   'django.contrib.contenttypes',
-   'django.contrib.sessions',
-   'django.contrib.sites',
-   'django.contrib.messages',
-   'django.contrib.staticfiles',
-   'go',
-   
-   'django.contrib.admin',
-   'qrcode',
-   'crispy_forms',
-   'bootstrap3_datetime',
+  'django.contrib.auth',
+  'django.contrib.contenttypes',
+  'django.contrib.sessions',
+  'django.contrib.sites',
+  'django.contrib.messages',
+  'django.contrib.staticfiles',
+  'go',
+  'django.contrib.admin',
+  'qrcode',
+  'crispy_forms',
+  'bootstrap3_datetime',
 )
- 
+
 SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'
- 
+
 LOGGING = {
-     'version': 1,
-     'disable_existing_loggers': False,
-     'filters': {
-         'require_debug_false': {
-             '()': 'django.utils.log.RequireDebugFalse'
-         }
-     },
-     'handlers': {
-         'mail_admins': {
-             'level': 'ERROR',
-             'filters': ['require_debug_false'],
-             'class': 'django.utils.log.AdminEmailHandler'
-         }
-     },
-     'loggers': {
-         'django.request': {
-             'handlers': ['mail_admins'],
-             'level': 'ERROR',
-             'propagate': True,
-         },
-     }
- }
- 
- 
+    'version': 1,
+    'disable_existing_loggers': False,
+    'filters': {
+        'require_debug_false': {
+            '()': 'django.utils.log.RequireDebugFalse'
+        }
+    },
+    'handlers': {
+        'mail_admins': {
+            'level': 'ERROR',
+            'filters': ['require_debug_false'],
+            'class': 'django.utils.log.AdminEmailHandler'
+        }
+    },
+    'loggers': {
+        'django.request': {
+            'handlers': ['mail_admins'],
+            'level': 'ERROR',
+            'propagate': True,
+        },
+    }
+}
+
+
 LOGIN_URL = '/login'
 LOGOUT_URL = '/logout'
 LOGIN_REDIRECT_URL = '/'
- 
+
 AUTHENTICATION_BACKENDS = (
-     'django.contrib.auth.backends.ModelBackend',
+    'django.contrib.auth.backends.ModelBackend',
 )
- 
- 
+
+
 if AUTH_MODE.lower() == 'ldap':
     import ldap
- 
+
     AUTHENTICATION_BACKENDS += (
-         'django_auth_ldap.backend.LDAPBackend',
+        'django_auth_ldap.backend.LDAPBackend',
     )
- 
+
     AUTH_LDAP_SERVER_URI = "ldaps://directory.gmu.edu:636"  # server url
     AUTH_LDAP_BIND_DN = "ou=people,o=gmu.edu"               # bind DN
     AUTH_LDAP_BIND_AS_AUTHENTICATING_USER = True            # use the user
@@ -160,41 +159,41 @@ if AUTH_MODE.lower() == 'ldap':
         "email": "mail"
     }
     AUTH_LDAP_ALWAYS_UPDATE_USER = True
- 
+
 elif AUTH_MODE.lower() == 'cas':
-    CAS_SERVER_URL = "https://nanderson.me/cas/"
+    CAS_SERVER_URL = os.environ['cas_url']
     CAS_LOGOUT_COMPLETELY = True
     CAS_PROVIDE_URL_TO_LOGOUT = True
- 
+
     AUTHENTICATION_BACKENDS += (
         'cas.backends.CASBackend',
     )
- 
+
     CAS_RESPONSE_CALLBACKS = (
         'go.cas_callbacks.create_user',
     )
- 
+
     INSTALLED_APPS += (
         'cas',
     )
- 
+
     MIDDLEWARE_CLASSES += (
         'cas.middleware.CASMiddleware',
     )
- 
+
 # PIWIK_SITE_ID = secret.PIWIK_SITE_ID
 # PIWIK_URL = secret.PIWIK_URL
- 
+
 CRISPY_TEMPLATE_PACK = 'bootstrap3'
- 
- # Mail settings
+
+# Mail settings
 EMAIL_HOST = secret.EMAIL_HOST
 EMAIL_PORT = secret.EMAIL_PORT
 EMAIL_HOST_USER = secret.EMAIL_HOST_USER
 EMAIL_HOST_PASSWORD = secret.EMAIL_HOST_PASSWORD
 EMAIL_FROM = "example@example.com"
 EMAIL_TO = "to@example.com"
- 
- # Domain used to email to users. See line 231 in views.py
- # ie. in Mason's case '@masonlive.gmu.edu'
-EMAIL_DOMAIN = "@masonlive.gmu.edu"
\ No newline at end of file
+
+# Domain used to email to users. See line 231 in views.py
+# ie. in Mason's case '@masonlive.gmu.edu'
+EMAIL_DOMAIN = os.environ['email_domain']

startup.sh

+until nc -z db 3306; do
+    echo "waiting for database to start..."
+    sleep 1
+done
+
 python go/manage.py flush --no-input 
 python go/manage.py makemigrations 
 python go/manage.py makemigrations go