Update DockerFile

DockerFile

@@ -1,22 +1,32 @@
-FROM python:3.12
 
-# define the dictionary path 
+
+## Use the official Python 3.9 image
+FROM python:3.9
+
+## set the working directory to /code
 WORKDIR /code
 
+## Copy the current directory contents in the container at /code
 COPY ./requirements.txt /code/requirements.txt
 
-# install the requirements package
+## Install the requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
+# Set up a new user named "user" 
 RUN useradd user
-
+# Switch to the "user" user
 USER user
 
+# Set home to the user's home directory
+
 ENV HOME=/home/user \
-    PATH=/home/user/.local/bin:$PATH
+	PATH=/home/user/.local/bin:$PATH
 
+# Set the working directory to the user's home directory
 WORKDIR $HOME/app
 
+# Copy the current directory contents into the container at $HOME/app setting the owner to the user
 COPY --chown=user . $HOME/app
 
-CMD ["uvicorn", "app:app","--host","0.0.0.0","--port","7860"]
+## Start the FASTAPI App on port 7860
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]