default.conf

gzip               on;
gzip_comp_level    5;
gzip_min_length    256;
gzip_proxied       any;
gzip_vary          on;
gzip_types
    application/javascript
    application/json
    application/x-font-ttf
    application/xml
    font/opentype
    image/bmp
    image/svg+xml
    image/x-icon
    text/css
    text/plain;

proxy_cache_path    /var/tmp/cache levels=1:2 keys_zone=STATIC:10m inactive=24h;

server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;
    root   /usr/share/nginx/html;

    if ($http_x_forwarded_proto = "http") {
        return 301 https://$host$request_uri;
    }

    location /api {
        rewrite                 ^/api/(.*) /$1 break;
        proxy_set_header        Host $host;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-Host $host;
        proxy_pass              http://localhost:5000;
    }

    # location /config.js {
    #     rewrite                 ^/api/config.js /config.js break;
    #     add_header              Cache-Control "max-age=1800, public";
    #     proxy_set_header        Host $host;
    #     proxy_set_header        X-Real-IP $remote_addr;
    #     proxy_set_header        X-Forwarded-Host $host;
    #     proxy_ignore_headers    X-Accel-Expires Expires Cache-Control Set-Cookie;
    #     proxy_buffering         on;
    #     proxy_cache             STATIC;
    #     proxy_cache_valid       200 206 1d;
    #     proxy_cache_valid       any 60m;
    #     proxy_cache_use_stale   error timeout invalid_header updating
    #                             http_500 http_502 http_503 http_504;
    #     proxy_pass              http://localhost:5000;
    # }

    location / {
        try_files $uri $uri/ /index.html;
    }

}