feat: scaffold FastAPI backend with config and health endpoint

backend/Dockerfile

@@ -0,0 +1,12 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app ./app
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/app/config.py

@@ -0,0 +1,16 @@
+import os
+
+
+class Settings:
+    def __init__(self):
+        self.minio_endpoint = os.environ.get("MINIO_ENDPOINT", "localhost:9000")
+        self.minio_access_key = os.environ.get("MINIO_ACCESS_KEY", "minioadmin")
+        self.minio_secret_key = os.environ.get("MINIO_SECRET_KEY", "minioadmin")
+        self.minio_bucket = os.environ.get("MINIO_BUCKET", "dochub")
+        self.meilisearch_host = os.environ.get("MEILISEARCH_HOST", "http://localhost:7700")
+        self.meilisearch_api_key = os.environ.get("MEILISEARCH_API_KEY", "")
+        self.meilisearch_index = os.environ.get("MEILISEARCH_INDEX", "documents")
+        self.cors_origins = os.environ.get("CORS_ORIGINS", "*").split(",")
+
+
+settings = Settings()

backend/app/main.py

@@ -0,0 +1,19 @@
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.config import settings
+
+app = FastAPI(title="DocHub API")
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=settings.cors_origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+
+@app.get("/health")
+def health():
+    return {"status": "ok"}

backend/pytest.ini

@@ -0,0 +1,2 @@
+[pytest]
+pythonpath = .

backend/requirements.txt

@@ -0,0 +1,7 @@
+fastapi==0.115.0
+uvicorn[standard]==0.30.6
+minio==7.2.9
+meilisearch==0.31.5
+pytest==8.3.3
+httpx==0.27.2
+python-multipart==0.0.9

backend/tests/test_main.py

@@ -0,0 +1,11 @@
+from fastapi.testclient import TestClient
+
+from app.main import app
+
+client = TestClient(app)
+
+
+def test_health_returns_ok():
+    response = client.get("/health")
+    assert response.status_code == 200
+    assert response.json() == {"status": "ok"}