frontend-proxy.conf

server {
    listen 80 default_server;
    gzip on;
    gzip_min_length 1000;
    gzip_types text/plain application/json application/xml application/atom+xml text/javascript application/x-javascript application/javascript text/css;

    # clickjacking protection
    add_header X-Frame-Options "SAMEORIGIN";

    # set nameserver manually to force DNS refresh for proxy URLs
    resolver 8.8.8.8;

    # set API domain
    set $backend https://${API_URL};

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

    location / {
        root /usr/share/nginx/html;
        index index.html;
        try_files $uri /index.html;
    }

    location /api {
        proxy_pass $backend;
        proxy_http_version 1.1;
        proxy_set_header Connection "";
    }

    location /version {
        return 200;
        add_header Bundle-Version xyz;
        add_header Content-Type application/json;
    }
}

# Health check
server {
    listen 8080 default;
    location / {
        return 200;
    }
}