Setup Database:SQLite

pyproject.toml

@@ -22,6 +22,7 @@ fastapi = "^0.109.2"
 uvicorn = "^0.27.0.post1"
 jinja2 = "^3.1.3"
 requests = "^2.31.0"
+sqlalchemy = "^2.0.27"
 
 
 [build-system]

src/app/database.py

@@ -0,0 +1,24 @@
+"""Database: Manages connection and sessions for SQLite database."""
+import sqlalchemy as _sql
+
+import sqlalchemy.ext.declarative as _declarative
+import sqlalchemy.orm as _orm
+
+# database connection string
+SQLALCHEMY_DATABASE_URL = "sqlite:///./database.db"
+
+# engine for connecting to the database
+ENGINE: _sql.Engine = _sql.create_engine(
+    url=SQLALCHEMY_DATABASE_URL,
+    connect_args={"check_same_thread":False}
+)
+
+# session maker for opening database sessions
+SESSION_LOCAL = _orm.sessionmaker(
+    bind=ENGINE, # bind the session maker to the engine
+    autoflush=False, # disable automatic flushing for performance optimization
+    autocommit=False # prevent automatic commits for better control
+)
+
+# base class for your database models
+BASE = _declarative.declarative_base()