nginx.conf

events {
    worker_connections 1024;
}

http {
    server_tokens off;
    client_body_buffer_size 1M;
    client_max_body_size 1M;
    client_header_buffer_size 1k;
    large_client_header_buffers 2 1k;
    client_body_timeout 10s;
    client_header_timeout 10s;
    keepalive_timeout 5s 5s;
    send_timeout 10s;
    limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=logs:10m rate=100r/s;
    upstream parseflow {
        server localhost:8080;
    }
    server {
        listen 80;
        server_name _;
        return 301 https://$host$request_uri;
    }

    server {
        listen 443 ssl http2;
        server_name _;
        
        ssl_certificate /etc/nginx/ssl/cert.pem;
        ssl_certificate_key /etc/nginx/ssl/key.pem;
        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384;
        ssl_prefer_server_ciphers off;
        ssl_session_cache shared:SSL:10m;
        ssl_session_timeout 10m;
        add_header X-Frame-Options DENY always;
        add_header X-Content-Type-Options nosniff always;
        add_header X-XSS-Protection "1; mode=block" always;
        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
        add_header Referrer-Policy "strict-origin-when-cross-origin" always;
        location /logdrains {
            limit_req zone=logs burst=50 nodelay;
            proxy_pass http://parseflow/logdrains;
            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_read_timeout 30s;
            proxy_connect_timeout 10s;
        }
        location /metrics {
            limit_req zone=api burst=5 nodelay;
            proxy_pass http://parseflow/metrics;
            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_read_timeout 10s;
            proxy_connect_timeout 5s;
        }

        #Catch all blockings
        location / {
            return 404;
        }
    }
}