Internal Server Error while running docker-compose to install Gitlab

I'm installing Gitlab on my server using docker-compose based on Docker Docs.
My SSH port is not the default one (22) and I have changed it to something else like 2228. So the YML file became like this:

web:
  image: 'gitlab/gitlab-ce:latest'
  restart: always
  hostname: 'gitlab.mydomain.com'
  environment:
    GITLAB_OMNIBUS_CONFIG: |
      external_url 'https://gitlab.mydomain.com'
      gitlab_rails['gitlab_shell_ssh_port'] = 2228
  ports:
    - '80:80'
    - '443:443'
    - '2228:22'
  volumes:
    - '/srv/gitlab/config:/etc/gitlab'
    - '/srv/gitlab/logs:/var/log/gitlab'
    - '/srv/gitlab/data:/var/opt/gitlab'

When I run the docker-compose up -d, I receive this result and errors:

```
Starting docker_web_1 ...

ERROR: for docker_web_1 a bytes-like object is required, not 'str'

ERROR: for web a bytes-like object is required, not 'str'
Traceback (most recent call last):
File "site-packages/docker/api/client.py", line 261, in _raise_for_status
File "site-packages/requests/models.py", line 940, in raise_for_status
requests.exceptions.HTTPError: 500 Server Error: Internal Server Error for url: http+docker://localhost/v1.21/containers/9d4483106cf1683f46b5158a9550f9b4375d7c147ecb8b07df533840ad0806b6/start

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "compose/service.py", line 625, in start_container
File "compose/container.py", line 241, in start
File "site-packages/docker/utils/decorators.py", line 19, in wrapped
File "site-packages/docker/api/container.py", line 1095, in start
File "site-packages/docker/api/client.py", line 263, in _raise_for_status
File "site-packages/docker/errors.py", line 31, in create_api_error_from_http_exception
docker.errors.APIError: 500 Server Error: Internal Server Error ("b'driver failed programming external connectivity on endpoint docker_web_1 (9b32d28cc2f635e085e82a2ef9f4d1fd3afc76f7693e279405ada5f61b96d215): Error starting userland prox

In the error message you presented your system is reporting port 443 is already in use. You need to confirm which ports you have in use for other services.


listen tcp 0.0.0.0:443: bind: address already in use

For what it is worth I recommend you use a nginx reverse proxy. Please reference https://stackoverflow.com/questions/46195852/how-to-run-gitlab-in-docker-container-with-nginx-proxy-over-ssl-with-letsencrypt for further details.

StackExchange DevOps Q#10039, answer score: 4