nginx.conf

user nginx;
worker_processes  1;
daemon off;
error_log  /dev/stdout info;
pid        /var/lib/nginx/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include           /etc/nginx/mime.types;
    default_type      application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log        /var/log/nginx/access.log  main;
    server_tokens     off;
    gzip              on;
    gzip_disable      "msie6";
    gzip_comp_level   6;
    gzip_min_length   1100;
    gzip_buffers      16 8k;
    gzip_proxied      any;
    gzip_types
        text/plain
        text/css
        text/js
        text/xml
        text/javascript
        application/javascript
        application/x-javascript
        application/json
        application/xml
        application/xml+rss;
    proxy_cache_path  /var/cache/nginx keys_zone=google-cloud-storage:10m inactive=60m;
    resolver          8.8.8.8 valid=300s ipv6=off;
    resolver_timeout  10s;

    upstream google-cloud-storage {
       server          '127.0.0.1:8888';
       keepalive       100;
   }

    server {
        listen          80;

        if ( $request_method !~ "GET|HEAD" ) {
            return 405;
        }

        location = / {
            rewrite ^.*$ /index.html last;
        }

        location = /healthz/ {
            access_log off;
            return 200;
        }

        location / {
            proxy_ignore_headers    Expires Cache-Control;
            proxy_cache             google-cloud-storage;
            proxy_cache_key         "$host/$proxy_host$uri";
            proxy_cache_valid       200 1d;
            add_header              X-Cache $upstream_cache_status;
            proxy_pass              http://google-cloud-storage$uri;
        }
    }
}