Updated php version to 8.1

Author: drubb

.devcontainer/Dockerfile

@@ -3,15 +3,18 @@ ARG DEBIAN_FRONTEND=noninteractive
 USER root
 COPY php.ini /tmp
 RUN apt-get update -yq \
+    # Add updated php sources
+    && apt-get install curl -yq \
+    && curl -sSL https://packages.sury.org/php/README.txt | bash -x \
     # Install some common packages
-    && apt-get install curl git imagemagick nano openssh-server sqlite3 wget unzip -yq \
+    && apt-get install git imagemagick nano openssh-server sqlite3 wget unzip -yq \
     && sed -i 's/<policy domain="coder" rights="none" pattern="PDF" \/>/<policy domain="coder" rights="read|write" pattern="PDF" \/>/g' /etc/ImageMagick-6/policy.xml \
     # Install PHP CLI with some extensions for Drupal development
-    && apt-get install php-cli php-apcu php-curl php-dom php-gd php-imagick php-mbstring php-sqlite3 php-zip -yq \
+    && apt-get install php8.1-cli php8.1-apcu php8.1-curl php8.1-gd php8.1-imagick php8.1-mbstring php8.1-sqlite3 php8.1-zip -yq \
     && apt-get install php-pear php-dev -yq \
-    && pear config-set php_ini /etc/php/7.4/cli/php.ini \
+    && pear config-set php_ini /etc/php/8.1/cli/php.ini \
     && pecl install xdebug \
-    && cat /tmp/php.ini >> /etc/php/7.4/cli/php.ini \
+    && cat /tmp/php.ini >> /etc/php/8.1/cli/php.ini \
     # Install NodeJS LTS
     && curl -sL https://deb.nodesource.com/setup_lts.x | bash \
     && apt-get install nodejs -yq \