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

    # GZIP Configuration
    gzip on;
    gzip_disable "msie6";
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level ${GZIP_COMPRESSION_LEVEL};
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_min_length 256;
    gzip_types
        application/atom+xml
        application/geo+json
        application/javascript
        application/json
        application/ld+json
        application/manifest+json
        application/rdf+xml
        application/rss+xml
        application/vnd.ms-fontobject
        application/wasm
        application/x-font-ttf
        application/x-javascript
        application/x-web-app-manifest+json
        application/xhtml+xml
        application/xml
        font/eot
        font/opentype
        font/otf
        font/ttf
        image/bmp
        image/svg+xml
        image/vnd.microsoft.icon
        image/x-icon
        text/cache-manifest
        text/calendar
        text/css
        text/javascript
        text/markdown
        text/plain
        text/xml
        text/vcard
        text/vnd.rim.location.xloc
        text/vtt
        text/x-component
        text/x-cross-domain-policy;

    # Cache control headers
    location ~* \.(html)$ {
        add_header Cache-Control "${HTML_CACHE_CONTROL}" always;
    }

    location ~* \.(css|js)$ {
        add_header Cache-Control "${ASSETS_CACHE_CONTROL}" always;
    }

    location ~* \.(jpg|jpeg|png|gif|ico|svg|woff|woff2|ttf|eot)$ {
        add_header Cache-Control "${MEDIA_CACHE_CONTROL}" always;
    }

    # Handle SPA routing
    location / {
        try_files $uri $uri/ /index.html;
    }
}