Fix database path for standalone environment

- Modified database connection to use project-relative paths
- Updated Alembic configuration to dynamically use the SQLAlchemy URL
- Added a root endpoint for easy testing
- Fixed imports in migration environment

alembic.ini

@@ -36,7 +36,8 @@ script_location = migrations
 # output_encoding = utf-8
 
 # SQLite URL example
-sqlalchemy.url = sqlite:////app/storage/db/db.sqlite
+# This will be overridden programmatically in env.py
+sqlalchemy.url = driver://user:pass@localhost/dbname
 
 # Logging configuration
 [loggers]

app/db/database.py

@@ -4,7 +4,9 @@ from sqlalchemy import create_engine, MetaData
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker, Session
 
-DB_DIR = Path("/app") / "storage" / "db"
+# Get the project root directory
+PROJECT_ROOT = Path(__file__).parent.parent.parent.absolute()
+DB_DIR = PROJECT_ROOT / "app" / "storage" / "db"
 DB_DIR.mkdir(parents=True, exist_ok=True)
 
 SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite"

main.py

@@ -33,6 +33,11 @@ if settings.BACKEND_CORS_ORIGINS:
 # Include our router
 app.include_router(api_router, prefix=settings.API_V1_STR)
 
+# Root endpoint for quick testing
+@app.get("/")
+async def root():
+    return {"message": "Welcome to the Generic REST API Service. Visit /docs for documentation."}
+
 # Custom documentation endpoints
 @app.get("/docs", include_in_schema=False)
 async def custom_swagger_ui_html():

migrations/env.py

@@ -4,12 +4,15 @@ from sqlalchemy import engine_from_config
 from sqlalchemy import pool
 
 from alembic import context
-from app.db.database import Base
+from app.db.database import Base, SQLALCHEMY_DATABASE_URL
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
 config = context.config
 
+# Override the sqlalchemy.url from alembic.ini with our dynamically created URL
+config.set_main_option("sqlalchemy.url", SQLALCHEMY_DATABASE_URL)
+
 # Interpret the config file for Python logging.
 # This line sets up loggers basically.
 if config.config_file_name is not None: