add env variable to specify if web is on docker or not

docker-compose.yaml

@@ -18,3 +18,8 @@ services:
     image: postgres:latest
     ports:
       - "5433:5432"
+    volumes:
+      - db-data:/var/lib/postgresql/data
+
+volumes:
+  db-data:

web/Dockerfile

@@ -2,6 +2,7 @@ FROM python:3.7
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
+ENV WEB_DOCKER 1
 
 WORKDIR /metagenedb
 

web/metagenedb/settings.py

@@ -26,7 +26,7 @@ SECRET_KEY = '01^q5^z**8vfdd$u4&b0w!2thaj=3b93+i*v$&kwmz6&ix6x8)'
 DEBUG = True
 
 # This can be used to toggle between your local testing db (db.sqlite3) and the PostgreSQL backend:
-DOCKER = True
+DOCKER = os.environ.get('WEB_DOCKER', False)
 
 if DEBUG:
    # This value is not safe for production usage. Refer to the Django documentation for more information.
@@ -91,8 +91,11 @@ if DOCKER:
 else:
     DATABASES = {
         'default': {
-            'ENGINE': 'django.db.backends.sqlite3',
-            'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': 'postgres',
+            'USER': 'postgres',
+            'HOST': 'localhost',
+            'PORT': 5433,
         }
     }