Try packages.txt

Dockerfile

@@ -1,8 +1,5 @@
 FROM python:3.11
 
-RUN apt-get update
-RUN xargs -a packages.txt apt-get --yes install
-
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 user
 
@@ -17,11 +14,17 @@ ENV HOME=/home/user \
 WORKDIR $HOME/app
 
 # Try and run pip command after setting the user with `USER user` to avoid permission issues with Python
+RUN apt-get update
+
 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
 
+COPY --chown=user packages.txt .
+
+RUN xargs -a packages.txt apt-get --yes install
+
 COPY --chown=user requirements.txt .
 
 RUN pip install --no-cache-dir --upgrade -r requirements.txt