I am not able to recover from backup with Docker installation.
I start with a fresh container with latest version of docker image run with command:

docker run -d -p 80:80 --name openproject -e SECRET_KEY_BASE=secret \
-v /var/lib/openproject/pgdata:/var/lib/postgresql/9.6/main \
-v /var/lib/openproject/logs:/var/log/supervisor \
-v /var/lib/openproject/static:/var/db/openproject \
openproject/community
 
Then after successful installation I log into the panel, change some data, create a project.
 
After that I copy data to from /var/lib/openroject to a file:
tar -xcvf open.tar.gz /var/lib/openproject
  
On another machine I start with same procedure, previously putting unpacked files into /var/lib/openproject directory.But Docker does't start with 
docker start openproject
command. 

Also I was starting Docker first, stopping next, replacing files, and starting again. Same result - Docker doesn't start.
 
I am not an expert with Docker.
Do I need to provide additional steps to run my Docker image with backup files?