Feature: Add app name to each db connection (#1393)

Co-authored-by: Adrià Casajús <adria.casajus@proton.ch>

app/config.py

@@ -160,6 +160,7 @@ if "DKIM_PRIVATE_KEY_PATH" in os.environ:
 
 # Database
 DB_URI = os.environ["DB_URI"]
+DB_CONN_NAME = os.environ.get("DB_CONN_NAME", "webapp")
 
 # Flask secret
 FLASK_SECRET = os.environ["FLASK_SECRET"]

app/db.py

@@ -3,9 +3,12 @@ from sqlalchemy import create_engine
 from sqlalchemy.orm import scoped_session
 from sqlalchemy.orm import sessionmaker
 
-from app.config import DB_URI
+from app import config
 
-engine = create_engine(DB_URI)
+
+engine = create_engine(
+    config.DB_URI, connect_args={"application_name": config.DB_CONN_NAME}
+)
 connection = engine.connect()
 
 Session = scoped_session(sessionmaker(bind=connection))