Update Dockerfile

Dockerfile

@@ -1,17 +1,33 @@
 # Use an official Python runtime as a parent image
 FROM python:3.8-slim-buster
+# 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
+
+# Set the working directory to the user's home directory
+WORKDIR $HOME/app
+
+# Try and run pip command after setting the user with `USER user` to avoid permission issues with Python
+RUN pip install --no-cache-dir --upgrade pip
+
+# Copy the current directory contents into the container at $HOME/app setting the owner to the user
+COPY --chown=user . $HOME/app
 
-# Set the working directory in the container
-WORKDIR /app
 
 # Copy the requirements file into the container at /app
-COPY requirements.txt /app/
+COPY requirements.txt .
 
 # Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy the current directory contents into the container at /app
-COPY . /app/
+COPY . .
 
 # Run the application
 CMD ["python", "app.py"]