Update Dockerfile

Dockerfile

@@ -1,5 +1,11 @@
 FROM continuumio/anaconda3:main
 
+# Install system dependencies for X11/GUI
+USER root
+RUN apt-get update && \
+    apt-get install -y libxft2 libxrender1 libxext6 libfreetype6 libfontconfig1 && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /code
 COPY ./environment.yml /code/environment.yml
 
@@ -11,8 +17,6 @@ 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 \
     PYTHONPATH=$HOME/app \
     PYTHONUNBUFFERED=1 \
@@ -25,8 +29,8 @@ ENV HOME=/home/user \
 # 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 the current directory contents into the container at $HOME/app
 COPY --chown=user . $HOME/app
-# RUN chmod +x $HOME/app/run.sh
-# CMD ["./run.sh"]
-CMD ["conda", "run", "--no-capture-output", "-n", "dolfinx-env", "bash", "run.sh"]
+
+# CMD to run your app
+CMD ["conda", "run", "--no-capture-output", "-n", "dolfinx-env", "bash", "run.sh"]