Update app.py

app.py

@@ -25,13 +25,18 @@ load_dotenv()
 
 app = Flask(__name__)
 app.secret_key = os.getenv("SECRET_KEY", "default_secret_key")
-app.config['UPLOAD_FOLDER'] = 'uploads'
-app.config['MAX_CONTENT_LENGTH'] = 10 * 1024 * 1024  # 10MB limit
+APP_ROOT = os.path.abspath(os.path.dirname(__file__))
+app.config['UPLOAD_FOLDER'] = os.path.join(APP_ROOT, 'uploads')
+app.config['MAX_CONTENT_LENGTH'] = 50 * 1024 * 1024  # 50MB limit
 
 # Faiss Configuration
-FAISS_INDEX_DIR = "faiss_indices"
+FAISS_INDEX_DIR = os.path.join(APP_ROOT, "faiss_indices")
 EMBEDDING_DIM = 768  # all-mpnet-base-v2 embedding dimension
 
+# Ensure writable directories exist when running under gunicorn
+os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
+os.makedirs(FAISS_INDEX_DIR, exist_ok=True)
+
 # Chunking Configuration
 CHUNK_SIZE = 1000
 CHUNK_OVERLAP = 200
@@ -44,7 +49,9 @@ model = AutoModel.from_pretrained("sentence-transformers/all-mpnet-base-v2")
 # Initialize Mistral client directly (like test.py)
 from mistralai import Mistral
 
-mistral_api_key = "8cQw0T1eRC5NY3bKDg6CxNU6465gxoW4"
+mistral_api_key = os.getenv("MISTRAL_API_KEY", "")
+if not mistral_api_key:
+    raise RuntimeError("MISTRAL_API_KEY not set. Please configure it as an environment variable.")
 mistral_client = Mistral(api_key=mistral_api_key)
 
 # API throttling configuration
@@ -892,4 +899,5 @@ def download_saved_pdf():
 if __name__ == '__main__':
     os.makedirs(app.config['UPLOAD_FOLDER'], exist_ok=True)
     os.makedirs(FAISS_INDEX_DIR, exist_ok=True)
-    app.run(debug=True)
+    port = int(os.getenv("PORT", "7860"))
+    app.run(host="0.0.0.0", port=port, debug=True)