diff --git a/Dockerfile b/Dockerfile
index dd0ad92..4d6aab2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3-apache
+FROM php:7.4-apache
 
 ONBUILD ARG GIT_REFERENCE
 ONBUILD ENV GIT_REFERENCE ${GIT_REFERENCE:-HEAD}
@@ -57,10 +57,9 @@ RUN	   echo "de_DE.UTF-8 UTF-8" >> /etc/locale.gen \
 	&& locale-gen
 
 RUN apt-get update && \
-    apt-get install -y --no-install-recommends libssl1.0-dev libpng-dev libjpeg-dev libfreetype6-dev zlib1g-dev \
+    apt-get install -y --no-install-recommends libssl-dev libpng-dev libjpeg-dev libfreetype6-dev zlib1g-dev \
         libcurl4-openssl-dev libevent-dev libicu-dev libidn11-dev libidn2-0-dev && \
-    docker-php-ext-configure gd --enable-gd-native-ttf --with-jpeg-dir=/usr/lib/x86_64-linux-gnu \
-        --with-png-dir=/usr/lib/x86_64-linux-gnu --with-freetype-dir=/usr/lib/x86_64-linux-gnu && \
+    docker-php-ext-configure gd --with-jpeg --with-freetype && \
     docker-php-ext-install bcmath opcache gd pdo_mysql exif intl zip sockets && \
     pecl install mongodb && docker-php-ext-enable mongodb && \
     pecl install apcu  && docker-php-ext-enable apcu  && \
diff --git a/conf/symfony-presets.ini b/conf/symfony-presets.ini
index 4c51e5b..8fb5e28 100644
--- a/conf/symfony-presets.ini
+++ b/conf/symfony-presets.ini
@@ -1,3 +1,5 @@
+expose_php=Off
+
 ; see https://symfony.com/doc/current/performance.html#performance-use-opcache
 
 opcache.validate_timestamps=0
diff --git a/fpm-alpine/Dockerfile b/fpm-alpine/Dockerfile
index 9c82e3f..83f7a49 100644
--- a/fpm-alpine/Dockerfile
+++ b/fpm-alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.3-fpm-alpine
+FROM php:7.4-fpm-alpine
 
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 
@@ -17,15 +17,12 @@ ONBUILD LABEL org.label-schema.vendor="Wizbii" \
       org.label-schema.schema-version="1.0" \
       org.label-schema.build-date="${BUILD_DATE}"
 
-RUN apk add --no-cache autoconf openssl-dev g++ make pcre-dev icu-dev zlib-dev libzip-dev && \
+RUN apk add --no-cache gnu-libiconv autoconf openssl-dev g++ make pcre-dev icu-dev zlib-dev libzip-dev && \
     mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" && \
     pecl install mongodb && \
     docker-php-ext-enable mongodb && \
     docker-php-ext-install bcmath intl opcache zip sockets && \
     version=$(php -r "echo PHP_MAJOR_VERSION.PHP_MINOR_VERSION;") && \
-    curl -A "Docker" -o $(php -r "echo ini_get('extension_dir');")/blackfire.so -D -s https://packages.blackfire.io/binaries/blackfire-php/1.24.4/blackfire-php-alpine_amd64-php-$version.so && \
-    printf "extension=blackfire.so\nblackfire.agent_socket=tcp://10.1.1.1:8707\n" > $PHP_INI_DIR/conf.d/blackfire.ini && \
-    apk add gnu-libiconv --update-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/ --allow-untrusted && \
     apk del --purge autoconf g++ make
 
 COPY conf/symfony-presets.ini $PHP_INI_DIR/conf.d
diff --git a/ppm-alpine/Dockerfile b/ppm-alpine/Dockerfile
deleted file mode 100644
index 1c9d7c8..0000000
--- a/ppm-alpine/Dockerfile
+++ /dev/null
@@ -1,37 +0,0 @@
-FROM php:7.3-alpine
-
-COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
-
-ONBUILD ARG GIT_REFERENCE
-ONBUILD ENV GIT_REFERENCE ${GIT_REFERENCE:-HEAD}
-
-ONBUILD ARG BUILD_DATE
-ONBUILD ENV BUILD_DATE ${BUILD_DATE:-unknown}
-
-ONBUILD ARG BASE_PATH
-ONBUILD ENV BASE_PATH ${BASE_PATH:-/usr/src/app}
-
-ONBUILD WORKDIR ${BASE_PATH}
-
-ONBUILD LABEL org.label-schema.vendor="Wizbii" \
-      org.label-schema.schema-version="1.0" \
-      org.label-schema.build-date="${BUILD_DATE}"
-
-RUN apk add --no-cache autoconf openssl-dev g++ make pcre-dev icu-dev zlib-dev libzip-dev && \
-    pecl install mongodb && \
-    docker-php-ext-enable mongodb && \
-    docker-php-ext-install pcntl bcmath intl opcache zip sockets && \
-    version=$(php -r "echo PHP_MAJOR_VERSION.PHP_MINOR_VERSION;") && \
-    curl -A "Docker" -o $(php -r "echo ini_get('extension_dir');")/blackfire.so -D -s https://packages.blackfire.io/binaries/blackfire-php/1.24.4/blackfire-php-alpine_amd64-php-$version.so && \
-    printf "extension=blackfire.so\nblackfire.agent_socket=tcp://10.1.1.1:8707\n" > $PHP_INI_DIR/conf.d/blackfire.ini && \
-    apk add gnu-libiconv --update-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/ --allow-untrusted && \
-    apk del --purge autoconf g++ make
-
-ENV LD_PRELOAD /usr/lib/preloadable_libiconv.so php
-
-RUN mkdir /ppm && cd /ppm && \
-    composer require php-pm/php-pm && \
-    composer require php-pm/httpkernel-adapter && \
-    ln -s /ppm/vendor/bin/ppm /usr/local/bin/ppm
-
-CMD ppm start --ansi --host 0.0.0.0 --app-env=prod --debug=0 --port=80 --logging=0
diff --git a/rc-fpm-alpine/Dockerfile b/rc-fpm-alpine/Dockerfile
index f8980e8..1801b01 100644
--- a/rc-fpm-alpine/Dockerfile
+++ b/rc-fpm-alpine/Dockerfile
@@ -17,13 +17,12 @@ ONBUILD LABEL org.label-schema.vendor="Wizbii" \
       org.label-schema.schema-version="1.0" \
       org.label-schema.build-date="${BUILD_DATE}"
 
-RUN apk add --no-cache autoconf openssl-dev g++ make pcre-dev icu-dev zlib-dev libzip-dev && \
+RUN apk add --no-cache autoconf gnu-libiconv openssl-dev g++ make pcre-dev icu-dev zlib-dev libzip-dev && \
     mv "$PHP_INI_DIR/php.ini-production" "$PHP_INI_DIR/php.ini" && \
     pecl install mongodb && \
     docker-php-ext-enable mongodb && \
     docker-php-ext-install bcmath intl opcache zip sockets && \
     version=$(php -r "echo PHP_MAJOR_VERSION.PHP_MINOR_VERSION;") && \
-    apk add gnu-libiconv --update-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/community/ --allow-untrusted && \
     apk del --purge autoconf g++ make
 
 COPY conf/symfony-presets.ini $PHP_INI_DIR/conf.d