tenderextract/nginx.conf at main · 51smith/tenderextract · GitHub

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events {
    worker_connections 1024;
}

http {
    upstream tender_api {
        server tender-extraction-api:8000;
    }

    # Rate limiting
    limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=uploads:10m rate=2r/s;

    # Basic security headers
    add_header X-Frame-Options DENY;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header Referrer-Policy strict-origin-when-cross-origin;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1000;
    gzip_types text/plain application/json application/x-ndjson;

    server {
        listen 80;
        server_name localhost;

        # Increase client max body size for file uploads
        client_max_body_size 100M;

        # Increase timeouts for long-running extractions
        proxy_connect_timeout 300s;
        proxy_send_timeout 300s;
        proxy_read_timeout 300s;

        # Health check endpoint (no rate limiting)
        location /health {
            proxy_pass http://tender_api;
            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;
        }

        # Upload endpoints (stricter rate limiting)
        location ~ ^/api/v1/(extract-single|extract-batch) {
            limit_req zone=uploads burst=5 nodelay;

            proxy_pass http://tender_api;
            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;

            # Disable buffering for upload progress
            proxy_buffering off;
            proxy_request_buffering off;
        }

        # Other API endpoints
        location /api/ {
            limit_req zone=api burst=20 nodelay;

            proxy_pass http://tender_api;
            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;
        }

        # Documentation
        location /docs {
            proxy_pass http://tender_api;
            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;
        }

        # Redirect root to docs
        location = / {
            return 301 /docs;
        }

        # 404 for everything else
        location / {
            return 404;
        }
    }
}