Update Dockerfile

Dockerfile

@@ -1,5 +1,4 @@
-
-# Use the official Python 3.9 image
+# Use the official Python 3.9 image as the base image
 FROM python:3.10
 
 # Set the working directory to /code
@@ -13,8 +12,10 @@ RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 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
@@ -25,8 +26,11 @@ 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
 
+# Use the official MySQL image as a base image
 FROM mysql:latest
 
+# Set the root password for MySQL
 ENV MYSQL_ROOT_PASSWORD=Rakuten
 
-EXPOSE 3306
+# Expose the MySQL port
+EXPOSE 3306