upstream kamco_api {
    server kamco-cd-api:8080;
}

server {
    listen 443 ssl http2;
    server_name aicd-api.e-kamco.com;

    # GlobalSign SSL Certificate
    ssl_certificate /etc/ssl/certs/globalsign/certificate.crt;
    ssl_certificate_key /etc/ssl/certs/globalsign/private.key;

    # SSL Configuration
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ciphers HIGH:!aNULL:!MD5;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # 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 Body Size
    client_max_body_size 100M;

    # Proxy Settings
    location / {
        proxy_pass http://kamco_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;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Port $server_port;

        # Timeouts
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # WebSocket Support (if needed)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }

    # Health Check Endpoint
    location /health {
        access_log off;
        return 200 "OK";
        add_header Content-Type text/plain;
    }

    # Access and Error Logs
    access_log /var/log/nginx/kamco-api-access.log;
    error_log /var/log/nginx/kamco-api-error.log;
}