eksplicit mapping af envs

backend/app/core/__init__.py

@@ -0,0 +1,3 @@
+from app.core.config import settings  # noqa: F401
+from app.core.database import get_db  # noqa: F401
+from app.core.redis import get_client  # noqa: F401

backend/app/core/config.py

@@ -0,0 +1,13 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    redis_url: str = "redis://localhost:6379"
+    database_url: str = "postgresql+asyncpg://sighej:sighej@localhost/sighej"
+    session_ttl_seconds: int = 7200
+    allowed_origins: list[str] = ["http://localhost:3000"]
+
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8")
+
+
+settings = Settings()

backend/app/core/database.py

@@ -0,0 +1,21 @@
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+from sqlalchemy.orm import DeclarativeBase
+
+from app.core.config import settings
+
+engine = create_async_engine(settings.database_url, echo=False)
+AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+async def create_tables() -> None:
+    async with engine.begin() as conn:
+        await conn.run_sync(Base.metadata.create_all)
+
+
+async def get_db() -> AsyncSession:
+    async with AsyncSessionLocal() as session:
+        yield session

backend/app/core/redis.py

@@ -0,0 +1,16 @@
+import redis.asyncio as redis
+
+from app.core.config import settings
+
+_pool: redis.ConnectionPool | None = None
+
+
+def get_pool() -> redis.ConnectionPool:
+    global _pool
+    if _pool is None:
+        _pool = redis.ConnectionPool.from_url(settings.redis_url, decode_responses=True)
+    return _pool
+
+
+def get_client() -> redis.Redis:
+    return redis.Redis(connection_pool=get_pool())