Update: Cors Origin from Docker Environments

backend/application/routes.py

@@ -1,3 +1,4 @@
+from flask import current_app as app
 from flask import request, Blueprint
 from flask_cors import CORS
 from werkzeug.exceptions import HTTPException
@@ -7,7 +8,10 @@ from .api_functions import db_login, db_register, db_user_update, db_create_log,
 from .sessionJWT import create_auth_token, check_auth_token
 
 bp = Blueprint('myapp', __name__)
-CORS(bp, supports_credentials=True, origins=['http://127.0.0.1:4200', 'http://localhost:4200'])
+origin = app.config.get('ALLOW_ORIGIN')
+if origin is None:
+    origin = ['http://127.0.0.1:4200', 'http://localhost:4200']
+CORS(bp, supports_credentials=True, origins=origin)
 
 
 @bp.app_errorhandler(HTTPException)

backend/config.py

@@ -21,7 +21,7 @@ class Config(object):
     }
 
     SECRET_KEY = os.environ.get('SECRET_KEY', 'default_secret_key')
-    ALLOW_ORIGIN = os.environ.get('ALLOW_ORIGIN', '*')
+    ALLOW_ORIGIN = os.environ.get('ALLOW_ORIGIN', None)
 
 
 class ProductionConfig(Config):

docker-compose.yml

@@ -51,8 +51,9 @@ services:
       - PYTHONUNBUFFERED=1
       - DATABASE_URL_USERS=postgresql://flaskaled1:aled1@flaskaled-srv1/flaskaledDb1
       - DATABASE_URL_LOGS=postgresql://flaskaled2:aled2@flaskaled-srv2/flaskaledDb2
-      #SECRET_KEY: default_secret_key
-      #- ALLOW_ORIGIN=frontend
+      - ALLOW_ORIGIN=frontend
+      - SECRET_KEY=default_secret_key
+
 
 #  frontend:
 #    container_name: frontend