Search results

Matches found for tag 'Docker': 12, showing 8

Connect two Docker containers having their own Docker Compose files

26 May 2021 Updated 26 May 2021 by Peter

The provider container creates a Docker network that can be used by a consumer container.

Flask, Celery, Redis and Docker

29 October 2020 Updated 29 October 2020 by Peter

Docker-compose makes it very easy to use the same Docker image for your Flask application and the Celery worker(s).

Running multiple (Flask) websites with a single Docker setup

30 September 2020 Updated 30 September 2020 by Peter

By sharing the code and (optionally) templates we avoid making copies and reduce maintenance time.

Testing the Docker .dockerignore file patterns

22 September 2020 Updated 22 September 2020 by Peter

Use a script to check the directories and files that will be included in your Docker image fast and easy.

Docker on Debian / Ubuntu not respecting ufw firewall settings exposing ports

9 December 2019 by Peter

Docker bypasses ufw firewall settings and exposes ports to the outside world, a very serious security leak.

Docker containers suddenly using 192.168.0.0/16 instead of 172.17.0.0/16: services lost

27 November 2019 Updated 27 November 2019 by Peter

My Docker applications suddenly could not send mail using the host Postfix MTA. I fixed this by specifying a Docker default address pool, but it is better to do this before deployment.

How to set the timezone when using the Python Alpine Docker image

13 November 2019 by Peter

When using a Python Alpine Docker image we must add the tzdata package before we can set the timezone.

ISPConfig: running a Python Flask Docker container as a jailed Shell User

18 October 2019 Updated 18 October 2019 by Peter

The method described requires you can be root, meaning it is not universal but may be sufficient if you are the system administrator.