upstream backend {
    server 127.0.0.1:{{ backend_port }} max_fails=3 fail_timeout=30s;
    keepalive 32;
}

server {
    listen 80;
    listen [::]:80;
    server_name {{ nginx_domain }};
    root {{ nginx_frontend_path }}/dist;
    index index.html;

    access_log /var/log/nginx/{{ nginx_app_name }}.access.log;
    error_log /var/log/nginx/{{ nginx_app_name }}.error.log;

    client_max_body_size {{ nginx_max_body_size }};

    location /api/ {
        limit_except GET POST PUT DELETE PATCH OPTIONS {
            deny all;
        }

        proxy_pass http://backend/;
        proxy_http_version 1.1;
        proxy_set_header Connection "";
        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 {{ nginx_proxy_timeout }}s;
        proxy_send_timeout {{ nginx_proxy_timeout }}s;
        proxy_read_timeout {{ nginx_proxy_timeout }}s;

        proxy_buffering on;
        proxy_buffer_size 4k;
        proxy_buffers 8 4k;
        proxy_no_cache 1;
        proxy_cache_bypass 1;
    }

    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-cache, no-store, must-revalidate";
    }

    location ~* \.(css|js)$ {
        expires {{ nginx_cache_static_duration }};
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    location ~* \.(jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires {{ nginx_cache_media_duration }};
        add_header Cache-Control "public, immutable";
        access_log off;
    }

    location = /health {
        access_log off;
        return 200 "healthy\n";
        add_header Content-Type text/plain;
    }

    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;

    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }

    location ~* (\.env|\.git|package\.json|package-lock\.json|yarn\.lock)$ {
        deny all;
    }
}