Fix Render deployment: Add libopengl0 and PyOpenGL-accelerate

Dockerfile

@@ -9,8 +9,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libglvnd0 \
     libglx0 \
     libx11-6 \
+    libopengl0 \
     wget \
     git \
+    && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
 # ── Create working directory ──────────────────────────────────────────────────

requirements-server.txt

@@ -9,6 +9,7 @@ numpy==1.26.4
 
 # MuJoCo (headless, EGL)
 mujoco==3.5.0
+PyOpenGL-accelerate==3.1.7
 
 # Google Gemini (legacy + new SDK — both used for compatibility)
 google-generativeai==0.8.3