worker_processes 1;

events {
    worker_connections 1024;
}

http {
    resolver 127.0.0.11 valid=10s;

    # Loki gateway
    server {
        listen 3100;

        location = /ready {
            proxy_pass http://loki-read:3100$request_uri;
        }

        # Write path
        location = /loki/api/v1/push {
            proxy_pass http://loki-write:3100$request_uri;
        }

        # Read path
        location ~ /loki/api/.* {
            proxy_pass http://loki-read:3100$request_uri;
        }

        # Ruler
        location ~ /api/prom/rules.* {
            proxy_pass http://loki-backend:3100$request_uri;
        }

        location ~ /prometheus/api/v1/rules.* {
            proxy_pass http://loki-backend:3100$request_uri;
        }
    }

    # Grafana proxy
    server {
        listen 3000;

        location / {
            proxy_pass http://grafana: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;
        }

        # Grafana WebSocket (live features)
        location /api/live/ {
            proxy_pass http://grafana:3000;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_set_header Host $host;
        }
    }
}