sdg-assessment/nginx.conf at main · aikiesan/sdg-assessment · GitHub

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events {
    worker_connections 1024;
}

http {
    # MIME types
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # Logging
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    # Performance optimizations
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml text/javascript application/json application/javascript application/xml+rss application/rss+xml font/truetype font/opentype application/vnd.ms-fontobject image/svg+xml;

    # Upstream Flask application
    upstream flask_app {
        server web:5000;
    }

    # HTTP server (redirects to HTTPS in production)
    server {
        listen 80;
        server_name _;

        # Let's Encrypt challenge
        location /.well-known/acme-challenge/ {
            root /var/www/certbot;
        }

        # Uncomment this after SSL is configured to force HTTPS
        # location / {
        #     return 301 https://$host$request_uri;
        # }

        # Comment out this block after SSL is configured
        location / {
            proxy_pass http://flask_app;
            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_connect_timeout 60s;
            proxy_send_timeout 60s;
            proxy_read_timeout 60s;
        }

        # Serve static files directly
        location /static/ {
            alias /static/;
            expires 30d;
            add_header Cache-Control "public, immutable";
        }

        # Security headers
        add_header X-Frame-Options "SAMEORIGIN" always;
        add_header X-Content-Type-Options "nosniff" always;
        add_header X-XSS-Protection "1; mode=block" always;

        client_max_body_size 10M;
    }

    # HTTPS server (uncomment after obtaining SSL certificate)
    # server {
    #     listen 443 ssl http2;
    #     server_name yourdomain.com;
    #
    #     # SSL configuration
    #     ssl_certificate /etc/letsencrypt/live/yourdomain.com/fullchain.pem;
    #     ssl_certificate_key /etc/letsencrypt/live/yourdomain.com/privkey.pem;
    #     ssl_protocols TLSv1.2 TLSv1.3;
    #     ssl_ciphers HIGH:!aNULL:!MD5;
    #     ssl_prefer_server_ciphers on;
    #
    #     # Serve static files directly
    #     location /static/ {
    #         alias /static/;
    #         expires 30d;
    #         add_header Cache-Control "public, immutable";
    #     }
    #
    #     # Proxy all other requests to Flask
    #     location / {
    #         proxy_pass http://flask_app;
    #         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_connect_timeout 60s;
    #         proxy_send_timeout 60s;
    #         proxy_read_timeout 60s;
    #     }
    #
    #     # Security headers
    #     add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
    #     add_header X-Frame-Options "SAMEORIGIN" always;
    #     add_header X-Content-Type-Options "nosniff" always;
    #     add_header X-XSS-Protection "1; mode=block" always;
    #
    #     client_max_body_size 10M;
    # }
}