Add external database fallback

Former-commit-id: fb94bbd

Author: xhlulu

apps/dash-image-processing/app.py

@@ -18,6 +18,9 @@
 import dash_reusable_components as drc
 import utils
 
+os.environ['REDIS_URL'] = os.getenv('REDIS_URL', os.getenv('EXTERNAL_REDIS_URL'))
+# os.environ['DATABASE_URL'] = os.getenv('DATABASE_URL', os.getenv('EXTERNAL_DATABASE_URL'))
+
 DEBUG = True
 LOCAL = False
 APP_PATH = str(pathlib.Path(__file__).parent.resolve())

apps/dash-interest-rate/app.py

@@ -18,6 +18,8 @@
 
 from utils import *
 
+os.environ['REDIS_URL'] = os.getenv('REDIS_URL', os.getenv('EXTERNAL_REDIS_URL'))
+# os.environ['DATABASE_URL'] = os.getenv('DATABASE_URL', os.getenv('EXTERNAL_DATABASE_URL'))
 
 # Snowflake vars
 FLAKE_ACCOUNT = os.getenv("FLAKE_ACCOUNT")

apps/dash-loan-grade/app.py

@@ -23,6 +23,8 @@
 from sklearn.tree import DecisionTreeClassifier, plot_tree, export_graphviz
 from sklearn import metrics
 
+os.environ['REDIS_URL'] = os.getenv('REDIS_URL', os.getenv('EXTERNAL_REDIS_URL'))
+# os.environ['DATABASE_URL'] = os.getenv('DATABASE_URL', os.getenv('EXTERNAL_DATABASE_URL'))
 
 def connect_read_sql(query, engine):
     connection = engine.connect()