Update documentation to specify UID/GID override for macOS
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	kostajh
	Jan 28 2021, 7:32 PM

Description

I realized today that at some point Docker for Mac's behavior has changed, and our existing docker-compose.yml will execute as a root user. Consequently you run into the same permission problems that occur on Linux if you don't have a docker-compose.override.yml file containing the MW_DOCKER_UID/MW_DOCKER_GID env vars present.

So, we should update the documentation to reflect that docker-compose.override.yml is required for Mac as well as Linux. I don't know if it is needed on Docker for Windows.

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Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	[docker] Set user/group mapping for all host OS, not just Linux	mediawiki/core	master	+23 -9

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Related Objects

Mentioned In: T270437: "Cannot access the database: Unknown error (localhost)" after installing Mediawiki-Docker
T273682: XDebug not present in docker-registry.wikimedia.org/dev/stretch-php72-fpm:2.0.0
Mentioned Here: T270437: "Cannot access the database: Unknown error (localhost)" after installing Mediawiki-Docker

Event Timeline

kostajh created this task.Jan 28 2021, 7:32 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJan 28 2021, 7:32 PM

Although, maybe this isn't correct because attempting something like docker cp -a somefile {container} fails with: Error response from daemon: getent unable to find entry "502:20" in passwd database.

Change 659972 had a related patch set uploaded (by Kosta Harlan; owner: Kosta Harlan):
[mediawiki/core@master] [docker] Set user/group mapping for all host OS, not just Linux

https://gerrit.wikimedia.org/r/659972

gerritbot added a project: Patch-For-Review.Jan 29 2021, 6:34 PM