Update Dockerfile

Dockerfile

@@ -25,7 +25,8 @@ RUN apt-get update && \
 WORKDIR /app
 
 # Create a non-root user and group for better security
-RUN groupadd -r appuser && useradd --no-log-init -r -g appuser appuser
+# Using user ID 1000 as is common in HF Spaces
+RUN groupadd -g 1000 appuser && useradd --no-log-init -u 1000 -g appuser appuser
 
 # Create necessary application directories before copying and set ownership
 # Ensures the user 'appuser' can write to generated_images
@@ -33,6 +34,7 @@ RUN mkdir -p /app/templates /app/generated_images && \
     chown -R appuser:appuser /app
 
 # Copy the requirements file first for layer caching
+# Ensure ownership is set correctly during copy
 COPY --chown=appuser:appuser requirements.txt .
 
 # Install Python dependencies specified in requirements.txt
@@ -41,8 +43,12 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy the rest of the application files into the container
 # Ensure 'app.py', 'arial.ttf', and the 'templates' directory exist in your repo root
 COPY --chown=appuser:appuser app.py .
-# If you include arial.ttf directly in your repo:
+
+# ---- IMPORTANT ----
+# The following line requires 'arial.ttf' to be present in the root of your repository
 COPY --chown=appuser:appuser arial.ttf .
+# ---- IMPORTANT ----
+
 # Copy the entire templates directory
 COPY --chown=appuser:appuser templates ./templates