removed default secret key from settings

Dockerfile

@@ -19,7 +19,7 @@ RUN pip install -r requirements.txt && \
 
 ADD . /code/
 
-RUN DATABASE_URL=none python manage.py collectstatic --noinput
+RUN DATABASE_URL=none SECRET_KEY=xxx python manage.py collectstatic --noinput
 
 COPY conf/supervisor.conf /etc/supervisor/conf.d/supervisor.conf
 COPY conf/nginx.conf /etc/nginx/conf.d/openlobby-server.conf

openlobby/settings.py

@@ -8,7 +8,7 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 DEBUG = 'DEBUG' in os.environ
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = os.environ.get('SECRET_KEY','very-secret-key')
+SECRET_KEY = os.environ.get('SECRET_KEY')
 if not SECRET_KEY:
     if DEBUG:
         SECRET_KEY = 'not-secret-at-all'