Fix: Lock Hugging Face ecosystem dependencies and install Unsloth natively to eliminate pip backtracking

Dockerfile

@@ -24,8 +24,10 @@ RUN pip install --no-cache-dir torch torchvision torchaudio --index-url https://
 
 # Install remaining requirements and Triton explicitly for Linux cloud environment
 RUN pip install --no-cache-dir -r requirements.txt
-RUN pip install --no-cache-dir triton
+RUN pip install --no-cache-dir triton xformers --index-url https://download.pytorch.org/whl/cu124
 
+# Install Unsloth natively to bypass PyPI resolution constraints
+RUN pip install "unsloth[colab-new] @ git+https://github.com/unslothai/unsloth.git"
 # Copy application files
 COPY --chown=user . .
 

requirements.txt

@@ -1,14 +1,12 @@
 fastapi>=0.100.0
 uvicorn>=0.22.0
 pydantic>=2.0.0
-torch>=2.0.0
-transformers>=4.30.0
-peft>=0.5.0
-trl>=0.8.0
+transformers>=4.43.0,<4.45.0
+peft==0.11.1
+trl==0.9.6
 bitsandbytes>=0.40.0
-datasets>=2.14.0
+datasets==2.16.0
 websockets>=11.0.0
 httpx>=0.24.1
 openenv>=0.1.0
 mergekit
-unsloth