Update Grafana configuration and enhance startup script for better logging and health check

monitoring/grafana/grafana.ini

@@ -2,7 +2,7 @@
 protocol = http
 http_port = 3000
 domain = localhost
-root_url = %(protocol)s://%(domain)s/grafana/
+root_url = %(protocol)s://%(domain)s:%(http_port)s/grafana/
 serve_from_sub_path = true
 
 [auth.anonymous]

nginx.conf

@@ -75,11 +75,20 @@ http {
 
         # Grafana
         location /grafana/ {
-            proxy_pass http://127.0.0.1:3000/;
+            rewrite ^/grafana/(.*) /$1 break;
+            
+            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;
             proxy_set_header X-Forwarded-Proto $scheme;
+            
+            proxy_set_header X-Forwarded-Host $host;
+            proxy_set_header X-Forwarded-Server $host;
+            
+            proxy_http_version 1.1;
+            proxy_set_header Upgrade $http_upgrade;
+            proxy_set_header Connection "upgrade";
         }
 
         # Prometheus UI

scripts/start_space.sh

@@ -82,10 +82,24 @@ prometheus \
     >> /tmp/prometheus.log 2>&1 &
 
 # Start Grafana
-echo "Starting Grafana..."
+echo "$(date) - Starting Grafana..."
 grafana-server --homepath=/usr/share/grafana \
-    --config=/etc/grafana/grafana.ini \
-    web &
+    --config=/app/monitoring/grafana/grafana.ini \
+    cfg:default.paths.data=/tmp/grafana_data \
+    cfg:default.paths.logs=/tmp/grafana_logs \
+    cfg:default.paths.plugins=/usr/share/grafana/plugins \
+    >> /tmp/grafana.log 2>&1 &
+
+# Wait for Grafana to start
+echo "$(date) - Waiting for Grafana (20s)..."
+for i in {1..20}; do
+    if curl -s http://127.0.0.1:3000/api/health > /dev/null; then
+        echo "$(date) - Grafana is UP!"
+        break
+    fi
+    sleep 1
+done
+
 
 echo "$(date) - Starting Nginx reverse proxy..."
 if ! command -v nginx &> /dev/null; then