Update Dockerfile to use python:3.12-slim for vllm==0.10.1 compatibility

Dockerfile

@@ -5,11 +5,14 @@ WORKDIR /app
 RUN apt-get update && apt-get install -y \
     build-essential \
     libpq-dev \
+    curl \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .
 
-# Install vLLM with GPU support first (fetches compatible Torch)
+# Upgrade pip and install vLLM with GPU support first (fetches compatible Torch)
+RUN pip install --upgrade pip
 RUN pip install --no-cache-dir vllm==0.10.1 --extra-index-url https://download.pytorch.org/whl/cu128
 
 # Install remaining dependencies