Configura Prometheus per girare su Hugging Face Space

Dockerfile

@@ -14,6 +14,7 @@ RUN apt-get update && apt-get install -y \
     nginx \
     procps \
     curl \
+    prometheus \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user

monitoring/README.md

@@ -49,6 +49,11 @@ We used Better Stack Uptime to monitor the availability of the production deploy
 - https://dacrow13-hopcroft-skill-classification.hf.space/openapi.json
 - https://dacrow13-hopcroft-skill-classification.hf.space/docs
 
+## Prometheus on Hugging Face Space
+
+Prometheus is also running directly on the Hugging Face Space and is accessible at:
+- https://dacrow13-hopcroft-skill-classification.hf.space/prometheus/
+
 **Checks and alerts**
 - Monitors are configured to run from multiple locations.
 - Email notifications are enabled for failures.

nginx.conf

@@ -29,6 +29,10 @@ http {
         server 127.0.0.1:8000;
     }
 
+    upstream prometheus {
+        server 127.0.0.1:9090;
+    }
+
     server {
         listen 7860;
         server_name localhost;
@@ -69,6 +73,15 @@ http {
             proxy_set_header Host $host;
         }
 
+        # Prometheus UI
+        location /prometheus/ {
+            proxy_pass http://prometheus/prometheus/;
+            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;
+        }
+
         # Streamlit (Catch-all)
         location / {
             proxy_pass http://streamlit;

scripts/start_space.sh

@@ -52,6 +52,35 @@ for i in {1..30}; do
     sleep 2
 done
 
+echo "$(date) - Configuring and starting Prometheus..."
+# Create a config for the space
+cat <<EOF > /tmp/prometheus.yml
+global:
+  scrape_interval: 15s
+  evaluation_interval: 15s
+
+scrape_configs:
+  - job_name: 'hopcroft-api'
+    metrics_path: '/metrics'
+    static_configs:
+      - targets: ['127.0.0.1:8000']
+    scrape_interval: 10s
+
+  - job_name: 'prometheus'
+    static_configs:
+      - targets: ['127.0.0.1:9090']
+EOF
+
+# Start Prometheus
+# --web.external-url needs to match the path in Nginx
+prometheus \
+    --config.file=/tmp/prometheus.yml \
+    --storage.tsdb.path=/tmp/prometheus_data \
+    --web.listen-address=0.0.0.0:9090 \
+    --web.external-url=/prometheus/ \
+    --web.route-prefix=/prometheus/ \
+    >> /tmp/prometheus.log 2>&1 &
+
 echo "$(date) - Starting Nginx reverse proxy..."
 if ! command -v nginx &> /dev/null; then
     echo "$(date) - ERROR: nginx not found in PATH"