Timezone resets to UTC when removing tzdata as per wiki

[shivpatel]

I'm using node:10.1-alpine.

Following the steps from this Wiki page to setup the OS timezone: https://wiki.alpinelinux.org/wiki/Setting_the_timezone

I'm noticing that the system timezone gets reset to UTC if I cleanup and delete the tzdata package once I'm done setting up and confirming the correct timezone.

Not sure if the last step in that wiki needs to be removed or if I did something incorrectly to maintain the timezone preference?

Will result in image with UTC:
RUN apk add --update tzdata && cp /usr/share/zoneinfo/America/New_York /etc/localtime && echo "America/New_York" > /etc/timezone && apk del tzdata && rm -rf /var/cache/apk/* && rm -rf /usr/local/share/.cache

Will result in image with EDT:
RUN apk add --update tzdata && cp /usr/share/zoneinfo/America/New_York /etc/localtime && echo "America/New_York" > /etc/timezone && rm -rf /var/cache/apk/* && rm -rf /usr/local/share/.cache

[brammittendorff]

The you are probably using:

library-3.6
library-3.7
library-3.8

aarch64	Bump version 3.8.1	23 days ago
armhf	Bump version 3.8.1	23 days ago
ppc64le	Bump version 3.8.1	23 days ago
s390x	Bump version 3.8.1	23 days ago
x86	Bump version 3.8.1	23 days ago

23 Days ago there was a change setting the default timezone to UTC check:
https://github.com/gliderlabs/docker-alpine/blob/master/versions/library-3.8/aarch64/Dockerfile
https://github.com/gliderlabs/docker-alpine/blob/master/versions/library-3.8/armhf/Dockerfile
https://github.com/gliderlabs/docker-alpine/blob/master/versions/library-3.8/ppc64le/Dockerfile
https://github.com/gliderlabs/docker-alpine/blob/master/versions/library-3.8/s390x/Dockerfile
https://github.com/gliderlabs/docker-alpine/blob/master/versions/library-3.8/x86/Dockerfile

[Dacesilian]

I have the same problem and I confirm that when I don't remove tzdata at the end, time is correct (image alpine:20220328)