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Merge pull request #792 from optimusprime01/devel 

fixing typos in ReadMe
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Adam Warner 2021-02-16 09:15:31 +00:00 committed by GitHub
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@ -220,11 +220,11 @@ Do not attempt to upgrade (`pihole -up`) or reconfigure (`pihole -r`). New imag
* We will try to put common break/fixes at the top of this readme too
1. Download the latest version of the image: `docker pull pihole/pihole`
2. Throw away your container: `docker rm -f pihole`
* **Warning** When removing your pihole container you may be stuck without DNS until step 3; **docker pull** before **docker rm -f** to avoid DNS inturruption **OR** always have a fallback DNS server configured in DHCP to avoid this problem altogether.
* **Warning** When removing your pihole container you may be stuck without DNS until step 3; **docker pull** before **docker rm -f** to avoid DNS interruption **OR** always have a fallback DNS server configured in DHCP to avoid this problem altogether.
* If you care about your data (logs/customizations), make sure you have it volume-mapped or it will be deleted in this step.
3. Start your container with the newer base image: `docker run <args> pihole/pihole` (`<args>` being your preferred run volumes and env vars)
Why is this style of upgrading good? A couple reasons: Everyone is starting from the same base image which has been tested to known it works. No worrying about upgrading from A to B, B to C, or A to C is required when rolling out updates, it reducing complexity, and simply allows a 'fresh start' every time while preserving customizations with volumes. Basically I'm encouraging [phoenix server](https://www.google.com/?q=phoenix+servers) principles for your containers.
Why is this style of upgrading good? A couple reasons: Everyone is starting from the same base image which has been tested to known it works. No worrying about upgrading from A to B, B to C, or A to C is required when rolling out updates, it reduces complexity, and simply allows a 'fresh start' every time while preserving customizations with volumes. Basically I'm encouraging [phoenix server](https://www.google.com/?q=phoenix+servers) principles for your containers.
To reconfigure Pi-hole you'll either need to use an existing container environment variables or if there is no a variable for what you need, use the web UI or CLI commands.