To localize strftime() I need to sudo locale-gen on server

[strarsis]

@roberto: This is the approach I currently use for installing WordPress core and plugin languages:

Adding wp language files on deploy

Updated approach: Ensure finished WordPress setup and installing additonal languages in finalize-after site hook: In case of formal variant languages it can be helpful to also install the non-formal language as a fallback because plugins can be disproportionally translated for the non-formal variant. - name: Install WP (required for installing languages on non-transferred site) command: wp core {{ project.multisite.enabled | default(false) | ternary('multisite-install', 'install') …

The post also contains some extra tips, like fallback language and optimizing the download/update of language packages on each deploy.