Summary
To ensure that the time is in sync between the Docker host and the containers, it is recommended to run an NTP client on the Docker host and within each container process and sync them all to the same NTP server.
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Additionally, when using swarm services, it is important to ensure that each Docker node syncs its clocks to the same time source as the containers.
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To ensure that the container timezone is in sync with the host machine, one can bind a read only volume between /etc/localtime and the same file inside the container, or use the TZ environment variable.
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Summary
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Always run an NTP client on the Docker host and within each container process and sync them all to the same NTP server. If you use swarm services, also ensure that each Docker node syncs its clocks to the same time source as the containers.
Docker development best practices - Docker Documentation
docker.com
Summary
This tutorial provides a solution to the issue of a container setting its timezone to UTC by default, which can cause issues when sending data from the container to other applications running on different machines. The solution involves binding a read only volume between /etc/localtime and the same file inside the container, or using the TZ environment variable. The solution should work only where the host machine is one of the Linux distribution systems like Ubuntu.
Synchronizing Docker Container Timezone with Host machine
medium.com
Using the --ulimit option with docker build will cause each build step’s container to be started using those --ulimit flag values. Set build - time variables (-- build -arg) 🔗 You can use ENV…
docker build - Docker Documentation
docker.com
