[feat] add fastapi adapter

adapter/http/fastapi/routers/v1/router.py

@@ -0,0 +1,40 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+
+from adapter.di.container import AppContainer
+from adapter.http.fastapi.dependencies import get_container, get_get_user
+from adapter.http.fastapi.schemas import ErrorResponse, HealthResponse, UserResponse
+from domain.error import UserNotFoundError
+from usecase.user import GetUser, GetUserQuery
+
+router = APIRouter()
+
+
+@router.get(
+    '/health',
+    response_model=HealthResponse,
+    status_code=status.HTTP_200_OK,
+)
+def health(container: AppContainer = Depends(get_container)) -> HealthResponse:
+    return HealthResponse(
+        status='ok',
+        app=container.config.app.name,
+        env=container.config.app.env,
+    )
+
+
+@router.get(
+    '/users/{user_id}',
+    response_model=UserResponse,
+    responses={status.HTTP_404_NOT_FOUND: {'model': ErrorResponse}},
+    status_code=status.HTTP_200_OK,
+)
+def get_user(user_id: str, usecase: GetUser = Depends(get_get_user)) -> UserResponse:
+    try:
+        user = usecase.execute(GetUserQuery(user_id=user_id))
+    except UserNotFoundError as exc:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail=str(exc),
+        ) from exc
+
+    return UserResponse(id=user.id, email=user.email, name=user.name)