![]() I want to change it to my local timezone. The timezone a container uses depends greatly on the image used for that container - while most images default to UTC, some may not. After running a Ubuntu docker container, I found that the default time zone is UTC. Docker doesn't have a way to universally set the time zone for all containers - you have to set this on a per-container basis. UTC (Time Zone) Friday, Maat 6:00:00 am UTC UTC How to use the Time Zone Converter. Or they include timedatectl, which is not part of all my containers. This is both a Docker limitation and a per-image definition. Is there a best practice for this? All examples I find for this involves docker commands that I don't really know how to translate into docker-compose commands. Setting the timezone for your Docker container You can set the timezone in your Docker image by adding a TZ environment variable to your configuration. However, there might be instances where you need to change the container's timezone. TZ to set Node-RED's local timezone and not the container's time zone, nor the container's host server timezone. To set correct system timezone on Ubuntu 18.04 or 20.04 base image, it should use following Dockerfile: FROM ubuntu:18. Should my conclusion be that the Zoneminder implementation is the correct one (with only - TZ=Europe/Stockholm)? I suspect that it is not that simple. By default, Docker containers are using UTC timezone. Here’s the date command running natively on an Ubuntu 20.04 host in the British Summer Time timezone: And here’s the same command in a container based on an unmodified ubuntu:20. Zoneminder docker-compose.yml environment: If you want to set the local time for the Management Console, please use the TIMEZONE environment variable during creation. Docker containers don’t inherit the host’s timezone, so you can run into unexpected scheduling issues that wreak havoc with your application. Below are the contents of the docker-compose files and then the resultĬontains nothing in relation to localtime or timezones. They are all defined and run using docker-compose.Īll but one containers have issues with time not being correctly synced with host. ![]() I am running a few docker containers for home automation (Domoticz), web page (Wordpress) and surveillance (ZoneMinder).
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