Update Dockerfile

Dockerfile

@@ -1,20 +1,31 @@
+# Use the Python 3.9 base image
 FROM python:3.9
 
+# Set the working directory inside the container to /code
 WORKDIR /code
 
+# Copy the requirements.txt file from the host to the container's /code directory
 COPY ./requirements.txt /code/requirements.txt
 
+# Install Python packages listed in requirements.txt without caching and upgrade if necessary
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
+# Create a user named "user" with a user ID of 1000 inside the container for security
 RUN useradd -m -u 1000 user
 
+# Set the user "user" as the user for subsequent commands
 USER user
 
+# Define environment variables HOME and PATH
 ENV HOME=/home/user \
-	PATH=/home/user/.local/bin:$PATH
+    PATH=/home/user/.local/bin:$PATH
 
+# Change the working directory to the user's home directory /home/user/app
 WORKDIR $HOME/app
 
+# Copy the contents of the current directory into the container's /home/user/app directory,
+# ensuring that files are owned by the "user"
 COPY --chown=user . $HOME/app
 
+# Specify the default command to run the FastAPI application with UVicorn
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]