Fixed Dockerfile to properly copy requirements.txt

Dockerfile

@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y \
 RUN pip install --upgrade pip
 
 # Copy and install Python dependencies first (before cloning anticipation)
-COPY requirements.txt .
+COPY requirements.txt /app/requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Clone and install Anticipation Music Transformer (AMT)