Workaround, install imagick PECL from dev-master instead of latest 2.…

…7.0 tag

See mlocati/docker-php-extension-installer#811

Dockerfile

@@ -39,7 +39,6 @@ RUN <<EOT bash
  "gd"
  "gettext"
  "igbinary"
- "imagick"
  "intl"
  "mcrypt"
  "mysqli"
@@ -58,6 +57,12 @@ RUN <<EOT bash
  "yaml"
  "zip"
  )
+ if [[ "$PHP_MINOR_VERSION" == "8.3" ]]; then
+ # Workaround, see https://github.com/mlocati/docker-php-extension-installer/pull/811
+ PHP_EXTENSIONS+=("imagick/imagick@master")
+ else
+ PHP_EXTENSIONS+=("imagick")
+ fi
  install-php-extensions \${PHP_EXTENSIONS[@]}
 EOT