[Nginx][S3] Nginx で S3 をリバースプロキシするための設定

gistfile1.nginxconf

    location ~* ^/(get_s3)/(.*) {
         set $s3_bucket        'your_s3_bucket_name.s3.amazonaws.com';
         set $url_full         "/$1/$2";

         proxy_http_version     1.1;
         proxy_set_header       Host $s3_bucket;
         proxy_set_header       Authorization '';
         proxy_hide_header      x-amz-id-2;
         proxy_hide_header      x-amz-request-id;
         proxy_hide_header      Set-Cookie;
         proxy_ignore_headers   "Set-Cookie";
         proxy_buffering        off;
         proxy_intercept_errors on;

         resolver               172.16.0.23 valid=300s;
         resolver_timeout       10s;

         proxy_pass             http://$s3_bucket/$url_full;
    }