diff --git a/Dockerfile-php b/Dockerfile-php
index 3208968..8ebcfbe 100644
--- a/Dockerfile-php
+++ b/Dockerfile-php
@@ -57,7 +57,7 @@ RUN apt-get -y install readline-common git zlib1g-dev \
     php${PHP_VERSION}-curl php${PHP_VERSION}-fpm php${PHP_VERSION}-gd php${PHP_VERSION}-gmp \
     php${PHP_VERSION}-imagick php${PHP_VERSION}-intl php${PHP_VERSION}-mbstring \
     php${PHP_VERSION}-mysql php${PHP_VERSION}-opcache php${PHP_VERSION}-readline php${PHP_VERSION}-sqlite3 \
-    php${PHP_VERSION}-xml php${PHP_VERSION}-yaml php${PHP_VERSION}-zip \
+    php${PHP_VERSION}-xml php${PHP_VERSION}-yaml php${PHP_VERSION}-zip php${PHP_VERSION}-apcu \
     libapache2-mod-php${PHP_VERSION}
 
 # specific PHP modules for some versions
@@ -65,8 +65,8 @@ RUN if [[ "${PHP_VERSION}" == "7.4" ]] ; then apt-get -y install php${PHP_VERSIO
 
 # install wkhtml if needed
 RUN if [[ "${WKHTML}" != "" ]] ; then \
-       apt-get install -y --no-install-recommends libfreetype6-dev libjpeg62-turbo-dev libpng-dev; \
-       apt-get install --no-install-recommends -y fontconfig libfreetype6 libjpeg62-turbo libpng16-16 libx11-6 libxcb1 libxext6 libxrender1 xfonts-75dpi xfonts-base; \ 
+       apt-get install -y --no-install-recommends libfreetype6-dev libjpeg62-turbo-dev libpng-dev fontconfig libfreetype6 libjpeg62-turbo \
+       libpng16-16 libx11-6 libxcb1 libxext6 libxrender1 xfonts-75dpi xfonts-base; \ 
        curl -L https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.buster_arm64.deb -o /tmp/wkhtmltox.deb; \
        dpkg -i /tmp/wkhtmltox.deb; \
     fi
diff --git a/build.sh b/build.sh
index 3a7128d..df8258a 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,14 @@
 #!/bin/bash
 
-PHP_VERSIONS="7.4 8.2"
+PHP_VERSIONS="7.4 8.1 8.2"
 WKHTML=""
+PLATFORMS="linux/arm64/v8,linux/amd64"
+
+# testing
+#PHP_VERSIONS="7.4"
+#PHP_VERSIONS="8.1"
+#PLATFORMS="linux/arm64/v8"
+#PLATFORMS="linux/amd64"
 
 SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 
@@ -11,7 +18,7 @@ function build() {
   echo "Building ${PACKAGE}"
   docker buildx build \
     --no-cache \
-    --platform=linux/arm64/v8,linux/amd64 \
+    --platform=${PLATFORMS} \
     --push \
     -f "${SCRIPT_DIR}/Dockerfile-php" \
     -t "git.paucapo.com/server/${PACKAGE}" \