Introduce a php-fpm 8.1 container

This container (dev version) does not install apcu and apcu-bc.

Author: MKodde

.github/workflows/main.yml

@@ -38,7 +38,7 @@ jobs:
     - name: Build the php-fpm dev container and push to GitHub Packages
       uses: docker/build-push-action@v2
       with:
-        tags: ghcr.io/openconext/openconext-containers/openconext-phpfpm-dev:latest
+        tags: ghcr.io/openconext/openconext-containers/openconext-phpfpm-dev:81
         context: docker/php-fpm/
         target: fpmdev
         push: true

docker/php-fpm/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:7.2-fpm-alpine AS fpmprod
+FROM php:8.1-fpm-alpine AS fpmprod
 RUN apk add --no-cache libxml2-dev freetype-dev && \
     docker-php-ext-install soap gd pdo_mysql opcache  
 
@@ -12,8 +12,6 @@ COPY ./conf/xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
 RUN apk --update --no-cache add git npm yarn autoconf g++ make && \
     docker-php-ext-install exif && \
     pecl install -f xdebug && \
-    pecl install -f apcu && \
-    pecl install -f apcu_bc && \
-    docker-php-ext-enable xdebug apcu apc && \
+    docker-php-ext-enable xdebug && \
     apk del --purge autoconf g++ make
 CMD ["/usr/local/sbin/php-fpm" , "-F"]