fix openclaw ui main page rendering issue

Dockerfile

@@ -7,6 +7,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     bash \
     curl \
     ca-certificates \
+    caddy \
     ffmpeg \
     git \
     && curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
@@ -31,8 +32,8 @@ ENV VAULT_PATH=/app/vault
 ENV OPENCLAW_HOME=/app/.openclaw
 ENV OPENCLAW_STATE_DIR=/app/.openclaw/state
 ENV AUTO_START_GATEWAY=0
-ENV EXTERNAL_GATEWAY_MANAGED=0
-ENV OPENCLAW_STANDARD_UI_PUBLIC_URL=
+ENV EXTERNAL_GATEWAY_MANAGED=1
+ENV OPENCLAW_STANDARD_UI_PUBLIC_URL=/openclaw/
 ENV OPENCLAW_GATEWAY_LOG_PATH=/tmp/openclaw-gateway.log
 ENV OPENCLAW_GATEWAY_ERR_LOG_PATH=/tmp/openclaw-gateway.err.log
 
@@ -40,4 +41,4 @@ RUN mkdir -p /app/vault /app/.openclaw/state
 
 EXPOSE 7860
 
-CMD ["sh", "-c", "( ${OPENCLAW_BIN} gateway run --port ${OPENCLAW_PORT} --bind loopback --allow-unconfigured --dev --verbose || ${OPENCLAW_BIN} gateway --port ${OPENCLAW_PORT} --bind loopback --allow-unconfigured --dev --verbose ) > /tmp/openclaw-gateway.log 2> /tmp/openclaw-gateway.err.log & exec uv run streamlit run app.py --server.address=0.0.0.0 --server.port=7860"]
+CMD ["sh", "-c", "( ${OPENCLAW_BIN} gateway run --port ${OPENCLAW_PORT} --bind loopback --allow-unconfigured --dev --verbose || ${OPENCLAW_BIN} gateway --port ${OPENCLAW_PORT} --bind loopback --allow-unconfigured --dev --verbose ) > /tmp/openclaw-gateway.log 2> /tmp/openclaw-gateway.err.log & uv run streamlit run app.py --server.address=0.0.0.0 --server.port=8501 > /tmp/streamlit.log 2>&1 & exec caddy run --config /app/Caddyfile --adapter caddyfile"]

app.py

@@ -412,9 +412,7 @@ with std_ui_status_col:
             ui_status_text = "Available" if ui_ok else f"HTTP {ui_resp.status_code}"
     except Exception:
         ui_ok = False
-    st.markdown(
-        f"Status: {':green_circle:' if ui_ok else ':red_circle:'} {ui_status_text}"
-    )
+    st.markdown(f"Status: {'🟢' if ui_ok else '🔴'} {ui_status_text}")
     st.caption(f"URL: {std_ui_url}")
     if OPENCLAW_STANDARD_UI_PUBLIC_URL:
         st.caption(f"Public URL: {OPENCLAW_STANDARD_UI_PUBLIC_URL}")
@@ -425,15 +423,7 @@ with std_ui_embed_col:
         components.iframe(public_ui_url, height=560, scrolling=True)
         st.link_button("Open Standard UI", public_ui_url, use_container_width=True)
     else:
-        try:
-            local_resp = requests.get(std_ui_url, timeout=3, allow_redirects=True)
-            if local_resp.status_code < 500 and local_resp.text.strip():
-                components.html(local_resp.text, height=560, scrolling=True)
-                st.caption("Rendered from internal gateway response.")
-            else:
-                st.info("Standard UI is not reachable yet. Start gateway and refresh.")
-        except Exception:
-            st.info("Standard UI is not reachable yet. Start gateway and refresh.")
+        st.info("Standard UI is not reachable yet. Start gateway and refresh.")
 
 st.divider()