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When you run pihole in a docker container, it could be difficult to build images on the same docker daemon, because docker-compose cannot pass DNS request to another container during build, and normal dns resolution fixes won’t work.
I solved this issue reading this article and configuring my docker daemon to use a public DNS service:
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In this second article, I suggest to explore further two simple helm chart for getting a bit more inside K8s.
Grafana
Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It is designed to be very cost effective and easy to operate. It does not index the contents of the logs, but rather a set of labels for each log stream.
To install Grafana+Loki follow the instruction depicted here: the install will teach you how to use helm charts dependency too, so please take time to download the loki chart and study itThe Loki project was started at Grafana Labs in 2018, and announced at KubeCon Seattle. Loki is released under the AGPLv3 license
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K8s is a very complex beast. But it give you a very good set of security defaults, and it is also a very well done implementation of a microservice application.
After installing Docker Swarm on some Customer, we are giving up on Swarm because the Enterprise version was acquired by Mirantis and now is marketed like “K8s” engine, so Swarm seems K8s right now.
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