Add production condition retrieval smoke test

infra/docker/Caddyfile

@@ -1,3 +1,11 @@
 realvuxbaro.me {
-	reverse_proxy web:3000
+	redir /grafana /grafana/ 308
+
+	handle /grafana/* {
+		reverse_proxy grafana:3000
+	}
+
+	handle {
+		reverse_proxy web:3000
+	}
 }

infra/docker/docker-compose.observability.yml

@@ -13,6 +13,8 @@ services:
 
   prometheus:
     image: prom/prometheus:v3.3.0
+    ports:
+      - "127.0.0.1:9090:9090"
     command:
       - --config.file=/etc/prometheus/prometheus.yml
       - --storage.tsdb.path=/prometheus
@@ -42,11 +44,13 @@ services:
   grafana:
     image: grafana/grafana:11.5.2
     ports:
-      - "3002:3000"
+      - "127.0.0.1:3002:3000"
     environment:
       GF_SECURITY_ADMIN_USER: ${GRAFANA_ADMIN_USER:-admin}
       GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_ADMIN_PASSWORD:-change-me}
       GF_AUTH_ANONYMOUS_ENABLED: "false"
+      GF_SERVER_ROOT_URL: https://realvuxbaro.me/grafana/
+      GF_SERVER_SERVE_FROM_SUB_PATH: "true"
     volumes:
       - ./grafana/provisioning:/etc/grafana/provisioning:ro
       - ./grafana/dashboards:/var/lib/grafana/dashboards:ro