Initial project scaffolding for health tracker app

Set up backend and frontend structure for a health and fitness tracker using Python (FastAPI, SQLModel, DSPy) and React. Includes Docker and Compose configs, authentication, nutrition AI module, health/nutrition/user endpoints, database models, and basic frontend with routing and context. Enables tracking nutrition, health metrics, and user management, with architecture ready for future mobile and cloud deployment.

backend/app/api/v1/endpoints/login.py

@@ -0,0 +1,35 @@
+from datetime import timedelta
+from typing import Any
+from fastapi import APIRouter, Depends, HTTPException
+from fastapi.security import OAuth2PasswordRequestForm
+from sqlmodel import Session, select
+
+from app.api import deps
+from app.core import security
+from app.config import settings
+from app.models.user import User
+from app.schemas.token import Token
+
+router = APIRouter()
+
+@router.post("/login/access-token", response_model=Token)
+def login_access_token(
+    session: Session = Depends(deps.get_session),
+    form_data: OAuth2PasswordRequestForm = Depends()
+) -> Any:
+    """
+    OAuth2 compatible token login, get an access token for future requests
+    """
+    statement = select(User).where(User.email == form_data.username)
+    user = session.exec(statement).first()
+    
+    if not user or not security.verify_password(form_data.password, user.password_hash):
+        raise HTTPException(status_code=400, detail="Incorrect email or password")
+    
+    access_token_expires = timedelta(minutes=settings.ACCESS_TOKEN_EXPIRE_MINUTES)
+    return {
+        "access_token": security.create_access_token(
+            user.id, expires_delta=access_token_expires
+        ),
+        "token_type": "bearer",
+    }