upgrade to php 8.3

also:
  * fix environment syntax to preferred one
  * gh action: do not fail the whole matrix when one job fails

Author: splitbrain

.github/workflows/docker.yml

@@ -37,6 +37,7 @@ jobs:
     if: ${{ needs.buildmatrix.outputs.matrix != '[]' }}
     strategy:
       matrix: ${{fromJson(needs.buildmatrix.outputs.matrix)}}
+      fail-fast: false
     steps:
       -
         name: Checkout

Dockerfile

@@ -1,4 +1,4 @@
-FROM php:8.2-apache AS dokuwiki-base
+FROM php:8.3-apache AS dokuwiki-base
 
 # additional extensions can be passed as build-arg
 ARG PHP_EXTENSIONS=""
@@ -11,9 +11,9 @@ FROM dokuwiki-base
 
 ARG DOKUWIKI_VERSION=stable
 
-ENV PHP_UPLOADLIMIT 128M
-ENV PHP_MEMORYLIMIT 256M
-ENV PHP_TIMEZONE UTC
+ENV PHP_UPLOADLIMIT=128M
+ENV PHP_MEMORYLIMIT=256M
+ENV PHP_TIMEZONE=UTC
 
 COPY root /
 RUN /bin/bash /build-setup.sh