Use fix path!

.env_example

@@ -12,7 +12,6 @@ MAIL_DEFAULT_SENDER=username@example.com
 
 ### Opaque ###
 OPAQUE_ADMIN=admin.opaque@example.com
-OPAQUE_STORAGE_DIRECTORY=/absolut/path/to/opaque/storage/directory
 
 ### Flask-SQLAlchemy ###
 # SQLALCHEMY_DATABASE_URI=

app/services/views.py

@@ -26,7 +26,7 @@ def nlp():
         db.session.add(nlp_job)
         db.session.commit()
 
-        dir = os.path.join(current_app.config['OPAQUE_STORAGE'],
+        dir = os.path.join(current_app.config['OPAQUE_STORAGE_DIRECTORY'],
                            str(nlp_job.user_id),
                            'jobs',
                            str(nlp_job.id))
@@ -72,7 +72,7 @@ def ocr():
         db.session.add(ocr_job)
         db.session.commit()
 
-        dir = os.path.join(current_app.config['OPAQUE_STORAGE'],
+        dir = os.path.join(current_app.config['OPAQUE_STORAGE_DIRECTORY'],
                            str(ocr_job.user_id),
                            'jobs',
                            str(ocr_job.id))

config.py

@@ -18,7 +18,7 @@ class Config:
 
     ''' ### Opaque ### '''
     OPAQUE_ADMIN = os.environ.get('OPAQUE_ADMIN')
-    OPAQUE_STORAGE_DIRECTORY = os.environ.get('OPAQUE_STORAGE_DIRECTORY')
+    OPAQUE_STORAGE_DIRECTORY = '/opaque_storage'
 
     @staticmethod
     def init_app(app):