user  nginx;
worker_processes  auto;

error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;

events {
  worker_connections  1024;
}

http {
  include       /etc/nginx/mime.types;
  default_type  application/octet-stream;
  types {
    application/manifest+json  webmanifest;
  }
  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                    '$status $body_bytes_sent "$http_referer" '
                    '"$http_user_agent" "$http_x_forwarded_for"';

  sendfile        on;
  keepalive_timeout  65;

  server {
    listen       80;
    server_name  localhost;
    root         /usr/share/nginx/html;
    index        index.html index.htm;
    access_log   off;

    # Security headers
    include /etc/nginx/security_headers.conf;

    # Health check endpoint for Kubernetes
    location = /health {
      return 200 '{"status":"UP"}';
    }

    # all assets contain hash in filename, cache forever
    location ^~ /assets/ {
      include /etc/nginx/security_headers.conf;
      add_header Cache-Control "public, max-age=31536000, s-maxage=31536000, immutable";
      try_files $uri =404;
    }

    # Nuxt generated files
    location /_nuxt/ {
      access_log  /var/log/nginx/access.log  main;
      include /etc/nginx/security_headers.conf;
      autoindex off;
      expires off;
      add_header Cache-Control "public, max-age=31536000, s-maxage=31536000, immutable";
    }

    # Main application - SPA mode
    location / {
      access_log  /var/log/nginx/access.log  main;
      include /etc/nginx/security_headers.conf;
      autoindex off;
      expires off;
      add_header Cache-Control "public, max-age=0, s-maxage=0, must-revalidate" always;
      try_files $uri $uri/ /index.html =404;
    }
  }
}