little of backend

backend/Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.12-alpine
-WORKDIR /app
-COPY ./requirements.txt /app/requirements.txt
+WORKDIR /code
+COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
-COPY ./app /app
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
+COPY ./app /code/app
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]

backend/app/db/database.py

@@ -0,0 +1,19 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+import os
+
+POSTGRES_USER = os.environ.get("POSTGRES_USER", "user")
+POSTGRES_PASSWORD = os.environ.get("POSTGRES_PASSWORD", "password")
+POSTGRES_DB = os.environ.get("POSTGRES_DB", "db")
+POSTGRES_HOST = os.environ.get("POSTGRES_HOST", "postgres")
+
+
+SQLALCHEMY_DATABASE_URL = (
+    f"postgresql://{POSTGRES_USER}:{POSTGRES_PASSWORD}@{POSTGRES_HOST}/{POSTGRES_DB}"
+)
+
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()

backend/app/db/models.py

@@ -0,0 +1,13 @@
+from sqlalchemy import Boolean, Column, ForeignKey, Integer, String
+from sqlalchemy.orm import relationship
+
+from .database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True)
+    email = Column(String, unique=True, index=True)
+    hashed_password = Column(String)
+    is_active = Column(Boolean, default=True)

backend/app/db/schemas.py

@@ -0,0 +1,19 @@
+from typing import Union
+from pydantic import BaseModel
+
+
+class UserBase(BaseModel):
+    username: str
+    email: str
+
+
+class UserCreate(UserBase):
+    password: str
+
+
+class User(UserBase):
+    id: int
+    is_active: bool
+
+    class Config:
+        orm_mode = True

backend/app/dependencies.py

@@ -0,0 +1,9 @@
+from .db.database import SessionLocal
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

backend/app/main.py

@@ -1,15 +1,18 @@
 from typing import Union
+from fastapi import FastAPI, Depends
 
-from fastapi import FastAPI
+from .db import models
+from .db.database import SessionLocal, engine
+from .dependencies import get_db
 
-app = FastAPI()
+from .views.auth.api import router as auth_router
+
+app = FastAPI(dependencies=[Depends(get_db)])
+models.Base.metadata.create_all(bind=engine)
+
+app.include_router(auth_router)
 
 
-@app.get("/api/")
+@app.get("/")
 def read_root():
-    return {"Hello": "Woasrld"}
-
-
-@app.get("/items/{item_id}")
-def read_item(item_id: int, q: Union[str, None] = None):
-    return {"item_id": item_id, "q": q}
+    return {"message": "OK"}

backend/app/views/auth/api.py

@@ -0,0 +1,33 @@
+from fastapi import APIRouter, Depends, FastAPI, HTTPException
+from sqlalchemy.orm import Session
+from . import crud
+from ...dependencies import get_db
+from ...db import schemas
+
+router = APIRouter(
+    prefix="/auth",
+    tags=["auth"],
+    dependencies=[Depends(get_db)],
+    responses={404: {"description": "Not found"}},
+)
+
+
+@router.post("/users/", response_model=schemas.User)
+def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
+    db_user = crud.get_user_by_email(db, email=user.email)
+    if db_user:
+        raise HTTPException(status_code=400, detail="Email already registered")
+    return crud.create_user(db=db, user=user)
+
+
+@router.get("/", response_model=list[schemas.User])
+def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
+    users = crud.get_users(db, skip=skip, limit=limit)
+    return users
+
+
+@router.get("/users/{user_id}", response_model=schemas.User)
+def read_user(user_id: int, db: Session = Depends(get_db)):
+    db_user = crud.get_user(db, user_id=user_id)
+    if db_user is None:
+        raise HTTPException

backend/app/views/auth/crud.py

@@ -0,0 +1,24 @@
+from sqlalchemy.orm import Session
+
+from ...db import models, schemas
+
+
+def get_user(db: Session, user_id: int):
+    return db.query(models.User).filter(models.User.id == user_id).first()
+
+
+def get_user_by_email(db: Session, email: str):
+    return db.query(models.User).filter(models.User.email == email).first()
+
+
+def get_users(db: Session, skip: int = 0, limit: int = 100):
+    return db.query(models.User).offset(skip).limit(limit).all()
+
+
+def create_user(db: Session, user: schemas.UserCreate):
+    fake_hashed_password = user.password + "notreallyhashed"
+    db_user = models.User(email=user.email, hashed_password=fake_hashed_password)
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user

backend/requirements.txt

@@ -1,3 +1,4 @@
 fastapi[all]
+pydantic
 sqlalchemy
-
+psycopg2-binary