roi-devops/nginx-proxy.conf at main · anuragstark/roi-devops · GitHub

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# Nginx Reverse Proxy for ROI Platform (Rate limiting, security). Used for initial setup before Certbot SSL management.

# Rate limiting zones (DDoS protection)
limit_req_zone $binary_remote_addr zone=api:10m rate=10r/s;
limit_req_zone $binary_remote_addr zone=auth:10m rate=3r/s;
limit_req_zone $binary_remote_addr zone=general:10m rate=30r/s;

server {
    listen 80;
    server_name paisatest.online www.paisatest.online;

    # Security headers (OWASP recommended)
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;

    # Auth endpoints — stricter rate limit (3 req/s, burst 5)
    location /api/auth/ {
        limit_req zone=auth burst=5 nodelay;
        proxy_pass http://127.0.0.1:5000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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_cache_bypass $http_upgrade;
    }

    # API endpoints — moderate rate limit (10 req/s, burst 20)
    location /api {
        limit_req zone=api burst=20 nodelay;
        proxy_pass http://127.0.0.1:5000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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_cache_bypass $http_upgrade;
        client_max_body_size 10m;
    }

    # Frontend — generous rate limit (30 req/s)
    location / {
        limit_req zone=general burst=50 nodelay;
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}

# Grafana Subdomain
server {
    listen 80;
    server_name grafana.paisatest.online;

    location / {
        proxy_pass http://__MONITORING_PRIVATE_IP__:3001;
        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;
    }
}

# Prometheus Subdomain
server {
    listen 80;
    server_name prometheus.paisatest.online;

    location / {
        auth_basic "Prometheus Restricted Area";
        auth_basic_user_file /etc/nginx/.htpasswd;
        proxy_pass http://__MONITORING_PRIVATE_IP__:9090;
        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;
    }
}