fix: use minimal requirements-server.txt in Docker to avoid downloading torch/ML deps

Dockerfile

@@ -12,8 +12,8 @@ WORKDIR /app
 
 RUN apt-get update && apt-get install -y build-essential git && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+COPY requirements-server.txt .
+RUN pip install --no-cache-dir -r requirements-server.txt
 
 COPY config.py demand_calculator.py demand_environment.py \
      inventory_manager.py order_processor.py performance_tracker.py \

requirements-server.txt

@@ -0,0 +1,6 @@
+fastapi==0.135.1
+uvicorn==0.41.0
+pydantic==2.12.5
+numpy==2.4.2
+ciw==3.2.7
+aiofiles==24.1.0