Change psycopg2 version and change postgresql engine.

app/Pipfile

@@ -8,7 +8,7 @@ name = "pypi"
 [packages]
 
 django= "==2.1.4"
-psycopg2= "==2.7.6.1"
+psycopg2= "==2.8.3"
 gunicorn= "==19.9.0"
 lxml= "==4.2.5"
 tqdm= "==4.28.1"

app/bundesdata_app/settings.py

@@ -107,8 +107,8 @@ WSGI_APPLICATION = 'bundesdata_app.wsgi.application'
 # be foudn here: https://stackoverflow.com/a/42077576
 DATABASES = {
     'default': {
-            'ENGINE': 'django.db.backends.postgresql',
-            'NAME': 'databaseName',
+            'ENGINE': 'django.db.backends.postgresql_psycopg2',
+            'NAME': get_secret("DB_NAME"),
             'USER': get_secret("DB_USER"),
             'PASSWORD': get_secret("DB_PASSWORD"),
             'HOST': 'db',