Update Dockerfile

Dockerfile

@@ -1,16 +1,23 @@
-# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
-# you will also find guides on how best to write your Dockerfile
+# 1. Use an official Python runtime as a parent image
+FROM python:3.10-slim
 
-FROM python:3.9
+# 2. Set the working directory in the container
+WORKDIR /code
 
-RUN useradd -m -u 1000 user
-USER user
-ENV PATH="/home/user/.local/bin:$PATH"
+# 3. Copy the dependencies file and install them
+# This is done in a separate step to leverage Docker's layer caching.
+# The dependencies will only be re-installed if requirements.txt changes.
+COPY ./requirements.txt /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-WORKDIR /app
+# 4. Copy the rest of the application's code into the container
+COPY . /code/
 
-COPY --chown=user ./requirements.txt requirements.txt
-RUN pip install --no-cache-dir --upgrade -r requirements.txt
+# 5. Expose the port that the app will run on
+# Hugging Face Spaces expect the app to listen on port 7860
+EXPOSE 7860
 
-COPY --chown=user . /app
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+# 6. Define the command to run your app
+# This command starts the Uvicorn server which serves your FastAPI app.
+# --host 0.0.0.0 makes the server accessible from outside the container.
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]