Temporarily use alpine 3.21 to fix builds

pabzm · pabzm · commit de5dfc6f2dd1 · 2025-06-11T16:09:07.000+02:00
The actual culprit is ICU 76.1-r0, which is included in alpine v3.22 Refs: php/php-src#18831 mlocati/docker-php-extension-installer#1104
diff --git a/fpm-alpine/Dockerfile b/fpm-alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.1-fpm-alpine as root
+FROM php:8.1-fpm-alpine3.21 as root
 LABEL maintainer="Thomas Bruederli <thomas@roundcube.net>"
 LABEL org.opencontainers.image.source="https://github.com/roundcube/roundcubemail-docker"
 
diff --git a/templates/Dockerfile-alpine.templ b/templates/Dockerfile-alpine.templ
@@ -1,4 +1,4 @@
-FROM php:8.1-%%VARIANT%% as root
+FROM php:8.1-%%VARIANT%%3.21 as root
 LABEL maintainer="Thomas Bruederli <thomas@roundcube.net>"
 LABEL org.opencontainers.image.source="https://github.com/roundcube/roundcubemail-docker"
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM php:8.1-fpm-alpine as root`
	`1`	`+FROM php:8.1-fpm-alpine3.21 as root`
`2`	`2`	`LABEL maintainer="Thomas Bruederli <[email protected]>"`
`3`	`3`	`LABEL org.opencontainers.image.source="https://github.com/roundcube/roundcubemail-docker"`
`4`	`4`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-FROM php:8.1-%%VARIANT%% as root`
	`1`	`+FROM php:8.1-%%VARIANT%%3.21 as root`
`2`	`2`	`LABEL maintainer="Thomas Bruederli <[email protected]>"`
`3`	`3`	`LABEL org.opencontainers.image.source="https://github.com/roundcube/roundcubemail-docker"`
`4`	`4`