Update Dockerfile

Dockerfile

@@ -15,11 +15,10 @@ USER user
 WORKDIR $HOME/app
 
 # Copy the application code and the requirements.txt file
-COPY --chown=user requirements.txt $HOME/app
 COPY --chown=user . $HOME/app
 
 # Install requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+RUN pip install --no-cache-dir --upgrade -r voicevox_engine/requirements.txt
 
 # Start the FastAPI app on port 7860, the default port expected by Spaces
-CMD ["python", "run.py", "--voicevox_dir", "../linux-cpu", "--host", "0.0.0.0", "--port", "7860"]
+CMD ["python", "voicevox_engine/run.py", "--voicevox_dir", "linux-cpu", "--host", "0.0.0.0", "--port", "7860"]