Fix health check - use python urllib instead of curl

Dockerfile

@@ -70,11 +70,15 @@ EXPOSE 8000
 
 # Create a non-root user for security (the playwright image already has pwuser)
 RUN chown -R pwuser:pwuser /app
+
+# Install curl for health check before switching to non-root user
+RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+
 USER pwuser
 
-# Health check
-HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
-    CMD curl -f http://localhost:8000/ || exit 1
+# Health check - use wget instead of curl (more reliable in containers)
+HEALTHCHECK --interval=30s --timeout=30s --start-period=60s --retries=3 \
+    CMD python3 -c "import urllib.request; urllib.request.urlopen('http://localhost:8000/')" || exit 1
 
 # Run the application using entrypoint
 ENTRYPOINT ["/entrypoint.sh"]