Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ FROM ubuntu:22.04
 # Set non-interactive frontend to avoid prompts
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Install OpenShot and dependencies
+# Install OpenShot and dependencies, including XCB libs and Xvfb
 RUN apt-get update && apt-get install -y \
     openshot-qt \
     python3-pyqt5 \
@@ -12,6 +12,24 @@ RUN apt-get update && apt-get install -y \
     libxrender1 \
     libgl1-mesa-glx \
     libpulse0 \
+    xvfb \
+    libx11-xcb1 \
+    libxcb1 \
+    libxcomposite1 \
+    libxcursor1 \
+    libxdamage1 \
+    libxext6 \
+    libxfixes3 \
+    libxi6 \
+    libxrandr2 \
+    libxss1 \
+    libxtst6 \
+    libxcb-xinerama0 \
+    libxcb-xinput0 \
+    libxcb-keysyms1 \
+    libxcb-cursor0 \
+    libxcb-util1 \
+    libxkbcommon-x11-0 \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user and set up home directory
@@ -28,11 +46,8 @@ ENV HOME=/home/openshotuser
 RUN mkdir -p /home/openshotuser/.openshot_qt && \
     chmod -R 755 /home/openshotuser/.openshot_qt
 
-# Set display environment variable for GUI
-ENV DISPLAY=:0
-
 # Ensure Python can find OpenShot modules
 ENV PYTHONPATH=/usr/lib/python3/dist-packages:/usr/lib/python3/dist-packages/openshot_qt
 
-# Run OpenShot
-CMD ["openshot-qt"]
+# Run OpenShot with Xvfb for headless virtual display
+CMD ["xvfb-run", "-a", "openshot-qt"]