Commit existing codebase

app/db.py

@@ -0,0 +1,21 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+from app.config import config
+
+DATABASE_URL = f"postgresql://{config['CGNO_ID_DB_USERNAME']}:{config['CGNO_ID_DB_PASSWORD']}@{config['CGNO_ID_DB_HOST']}/{config['CGNO_ID_DB_NAME']}"
+
+engine = create_engine(DATABASE_URL)
+
+session_factory = sessionmaker(bind=engine)
+
+EntityBase = declarative_base()
+
+
+def get_db():
+    db = session_factory()
+    try:
+        yield db
+    finally:
+        db.close()