fix(docker): configure Grafana for hf.space domain to fix asset loading

docker/nginx.conf

@@ -79,8 +79,8 @@ http {
         }
 
         location /grafana/ {
-            # Strip the path. Grafana will be configured with serve_from_sub_path=false
-            proxy_pass http://127.0.0.1:3000/;
+            # Do NOT strip the path. explicit serve_from_sub_path=true in Grafana needs the prefix.
+            proxy_pass http://127.0.0.1:3000;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

docker/scripts/start_space.sh

@@ -88,8 +88,14 @@ prometheus \
 
 # Start Grafana
 if [ -n "$SPACE_ID" ]; then
-    echo "$(date) - Detected HF Space environment (ID: $SPACE_ID). Configuring Grafana Root URL..."
-    GRAFANA_ROOT_URL="https://huggingface.co/spaces/$SPACE_ID/grafana/"
+    # Parse username and space name from SPACE_ID (user/space)
+    # This allows us to construct the .hf.space domain which avoids CORS/Asset loading issues
+    SPACE_AUTHOR=$(echo $SPACE_ID | cut -d'/' -f1)
+    SPACE_NAME=$(echo $SPACE_ID | cut -d'/' -f2)
+    SPACE_HOST="${SPACE_AUTHOR}-${SPACE_NAME}.hf.space"
+    
+    echo "$(date) - Detected HF Space environment (ID: $SPACE_ID). Configured Host: $SPACE_HOST"
+    GRAFANA_ROOT_URL="https://$SPACE_HOST/grafana/"
 else
     echo "$(date) - No SPACE_ID found. Defaulting Grafana to localhost."
     GRAFANA_ROOT_URL="http://localhost:3000/grafana/"
@@ -102,7 +108,7 @@ grafana-server --homepath=/usr/share/grafana \
     cfg:default.paths.logs=/tmp/grafana_logs \
     cfg:default.paths.plugins=/usr/share/grafana/plugins \
     cfg:server.root_url="$GRAFANA_ROOT_URL" \
-    cfg:server.serve_from_sub_path=false \
+    cfg:server.serve_from_sub_path=true \
     >> /tmp/grafana.log 2>&1 &
 
 # Wait for Grafana to start