## Server Block for docs-archive.pingcap.com behind the Ucloud ULB

map $sent_http_content_type $expires {
    default                    off;
    text/html                  epoch;
    application/json           epoch;
    text/css                   max;
    application/javascript     max;
    image/*                    max;
}

map $sent_http_content_type $cache {
    default                    off;
    text/html                  off;
    application/json           off;
    text/css                   "public, immutable";
    application/javascript     "public, immutable";
    image/*                    "public, immutable";
}

server {
        listen       80;
        server_name  docs-archive.pingcap.com;
        root   /var/www/docs-archive.pingcap.com;
        index  index.html index.htm;

        access_log   /var/log/nginx/docs-archive.pingcap.com.log main;
        error_log    /var/log/nginx/docs-archive.pingcap.com.err error;

        ## Ucloud redirect
        if ($http_x_forwarded_proto = "http") {
            return 301 https://$server_name$request_uri;
        }
        absolute_redirect off;
        expires $expires;
        add_header Cache-Control $cache;
        error_page 404 403 /404.html;

        location = /zh/tools/ {
            return 302 https://$server_name/zh/tidb/stable/ecosystem-tool-user-guide/;
        }

        location = /zh/dev-guide/ {
            return 302 https://$server_name/zh/dev-guide/dev/;
        }

        location = /zh/tidb/ {
            return 302 https://$server_name/zh/tidb/stable/;
        }

        ## EN Port
        location = /tidb/ {
            return 302 https://$server_name/tidb/stable/;
        }

        location = /tools/ {
            return 302 https://$server_name/tidb/stable/ecosystem-tool-user-guide/;
        }

        # Do remember to update after stable branch changed.
        # vvv
        location = /zh/tidb/v6.5 {
            return 302 https://$server_name/zh/tidb/stable;
        }
        location ~ ^/zh/tidb/v6.5/(.*) {
            return 302 https://$server_name/zh/tidb/stable/$1;
        }
        location = /tidb/v6.5 {
            return 302 https://$server_name/tidb/stable;
        }
        location ~ ^/tidb/v6.5/(.*) {
            return 302 https://$server_name/tidb/stable/$1;
        }
        # ^^^

        location = /ja/tidb/v2.1 {
            return 301 https://docs-archive.pingcap.com/tidb/v2.1;
        }
        location ~ ^/ja/tidb/v2.1/(.*) {
            return 301 https://docs-archive.pingcap.com/tidb/v2.1/$1;
        }

        location = /tidb-in-kubernetes/ {
            return 302 https://$server_name/tidb-in-kubernetes/stable/;
        }
        location /tidb-in-kubernetes/v1.3  {
            alias /var/www/docs-archive.pingcap.com/tidb-in-kubernetes/stable;
        }

        location = /zh/tidb-in-kubernetes/ {
            return 302 https://$server_name/zh/tidb-in-kubernetes/stable/;
        }
        location = /zh/tidb-in-kubernetes/v1.3 {
            return 302 https://$server_name/zh/tidb-in-kubernetes/stable/;
        }
        location ~ ^/zh/tidb-in-kubernetes/v1.3/(.*)  {
            return 302 https://$server_name/zh/tidb-in-kubernetes/stable/$1;
        }

        location /tidb-data-migration/stable {
            return 301 https://$server_name/tidb/stable/dm-overview;
        }
        location /zh/tidb-data-migration/stable {
            return 301 https://$server_name/zh/tidb/stable/dm-overview;
        }

        location /zh/appdev/dev {
            return 301 https://$server_name/zh/tidb/stable/dev-guide-overview;
        }

        location ~ ^/tidbcloud/beta/(.*) {
            return 302 https://$server_name/tidbcloud/$1;
        }
        location ~ ^/tidbcloud/public-preview/(.*) {
            location ~ ^/tidbcloud/public-preview/(service-level-agreement|terms-of-service|privacy-policy) {
                return 302 https://en.pingcap.com/legal/;
            }
            return 302 https://$server_name/tidbcloud/$1;
        }

        location /zh/tidb-data-migration/dev/ {
            return 302 https://$server_name/zh/tidb/dev/dm-overview;
        }

        location /tidb-data-migration/dev/ {
            return 302 https://$server_name/tidb/dev/dm-overview;
        }
}