Load configs from .env and add basic logging config

ungleichotpserver/settings.py

@@ -10,6 +10,8 @@ For the full list of settings and their values, see
 https://docs.djangoproject.com/en/2.1/ref/settings/
 """
 
+from decouple import config, Csv
+
 import os
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
@@ -20,7 +22,7 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 # See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'h^*!&u7yaac_6t02kk4de%$aagp6_j#+_wnw3@rqu6os0tlv#r'
+SECRET_KEY = config('SECRET_KEY')
 
 # SECURITY WARNING: don't run with debug turned on in production!
 
@@ -129,7 +131,7 @@ DEBUG_DATABASES = {
     }
 }
 
-DEBUG = False
+DEBUG = config('DEBUG', False, cast=bool)
 ALLOWED_HOSTS = [
     ".ungleich.ch"
 ]
@@ -146,6 +148,45 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 STATIC_ROOT = os.path.join(BASE_DIR, "static")
 STATIC_URL = '/static/'
 
+LOGGING = {
+    'disable_existing_loggers': False,
+    'version': 1,
+    'formatters': {
+        'standard': {
+            'format': '%(asctime)s %(levelname)s %(name)s: %(message)s'
+        }
+    },
+    'handlers': {
+        'default': {
+            'level': 'DEBUG',
+            'class': 'logging.handlers.RotatingFileHandler',
+            'filename': 'logs/debug.log',
+            'maxBytes': 1024*1024*5,
+            'backupCount': 10,
+            'formatter': 'standard',
+        },
+        'console': {
+            'class': 'logging.StreamHandler',
+        },
+    },
+}
+
+if config('ENABLE_DEBUG_LOG', cast=bool, default=False):
+    loggers_dict = {}
+    modules_to_log_list = config(
+        'MODULES_TO_LOG', default='django', cast=Csv()
+    )
+    for custom_module in modules_to_log_list:
+        logger_item = {
+            custom_module: {
+                'handlers': ['default'],
+                'level': 'DEBUG',
+                'propagate': True
+            }
+        }
+        loggers_dict.update(logger_item)
+
+    LOGGING['loggers'] = loggers_dict
 
 
 if "DEBUG" in os.environ: