added new command to bash

Dockerfile

@@ -10,7 +10,8 @@ RUN pip install --no-cache-dir --upgrade -r /app/requirements.txt
 COPY . /app
 
 # Create a script to set up the directory and environment variable
-RUN echo "mkdir -p /app/.cache" > setup.sh && \
+RUN echo "#!/bin/bash" > setup.sh && \
+    echo "mkdir -p /app/.cache" > setup.sh && \
     echo "export TRANSFORMERS_CACHE=/app/.cache" >> setup.sh && \
     chmod +x setup.sh