Debian8+Collabora+docker = not working

Hello! I ask for help in solving my problem, which I can not solve in any way.
I’m trying to set up a “Collabora Online server” on Debian 8 (3.16.0-4-amd64 # 1 SMP Debian 3.16.43-2 + deb8u3 (2017-08-15) x86_64 GNU / Linux).

docker
docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
be0520807757 collabora/code “/bin/sh -c 'bash …” 35 minutes ago Up 4 seconds 127.0.0.1:9980->9980/tcp cranky_edison

Apache2

proxy_module (shared)
proxy_ajp_module (shared)
proxy_balancer_module (shared)
proxy_connect_module (shared)
proxy_ftp_module (shared)
proxy_html_module (shared)
proxy_http_module (shared)
proxy_wstunnel_module (shared)

When i try to open any document, a window opens with a description of the error

Internal Server Error
The server encountered an internal error and was unable to complete your request.
Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
More details can be found in the server log.
Technical details
Remote Address: 46.133.214.22
Request ID: WculvbAl7z0AAB6AiTQAAAAB

Apache log

[Wed Sep 27 16:31:33.543273 2017] [proxy_http:error] [pid 11392] (103)Software caused connection abort: [client 192.168.1.1:36122] AH0110
2: error reading status line from remote server 127.0.0.1:9980
[Wed Sep 27 16:31:33.543406 2017] [proxy:error] [pid 11392] [client 192.168.1.1:36122] AH00898: Error reading from remote server returned
by /hosting/discovery

Where IP 192.168.1.1 is the local IP of my router where the server is connected.

i am using such configuration networking
Remote Address: 46.133.214.22 -> My external IP**|router|**192.168.1.1 -> local ip server 192.168.1.xxx