Update requirements.txt

requirements.txt

@@ -1,21 +1,12 @@
-# Core dependencies
-fastapi>=0.109.0
-uvicorn[standard]>=0.27.0
-pydantic>=2.5.0
-
-# Audio processing (required)
-torch>=2.0.0
-torchaudio>=2.0.0
-
-# OpenVoice (includes MeloTTS and most audio dependencies)
-git+https://github.com/myshell-ai/OpenVoice.git
-
-# HTTP requests
-requests>=2.31.0
-
-# Hugging Face integration
+# IndexTTS2 and dependencies
+git+https://github.com/index-tts/index-tts.git
 huggingface-hub>=0.20.0
-
-# Additional utilities
-python-multipart>=0.0.6
-
+fastapi==0.104.1
+uvicorn==0.24.0
+python-multipart==0.0.6
+requests==2.31.0
+numpy==1.26.2
+
+# Use CPU wheels by default; HF GPU image will still use CUDA when available.
+torch>=2.8 --index-url https://download.pytorch.org/whl/cpu
+torchaudio>=2.8 --index-url https://download.pytorch.org/whl/cpu