diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
index d1ea0b7..93d5a8c 100644
--- a/.github/workflows/main-ci.yml
+++ b/.github/workflows/main-ci.yml
@@ -1,6 +1,6 @@
 name: CI
 
-on: 
+on:
   push:
     branches: '**'
     tags: '**'
@@ -23,7 +23,8 @@ jobs:
         PHP_VERSION: ${{ matrix.php_version }}
       run: |
         cp env-example .env
-        sed -i -- '201,272s/=false/=true/g' .env
+        sed -i -- '202,274s/=false/=true/g' .env
+        sed -i -- 's/GNUPG=false/GNUPG=true/g' .env
         sed -i -- 's/CHANGE_SOURCE=true/CHANGE_SOURCE=false/g' .env
         sed -i -- 's/PHPDBG=true/PHPDBG=false/g' .env
         sed -i -- 's/CASSANDRA=true/CASSANDRA=false/g' .env
@@ -32,12 +33,9 @@ jobs:
         sed -i -- 's/PHALCON=true/PHALCON=false/g' .env
         sed -i -- 's/RDKAFKA=true/RDKAFKA=false/g' .env
         sed -i -- 's/MAILPARSE=true/MAILPARSE=false/g' .env
-        sed -i -- 's/YAML=true/YAML=false/g' .env
         sed -i -- 's/MSSQL=true/MSSQL=false/g' .env
-        sed -i -- 's/AMQP=true/AMQP=false/g' .env
         sed -i -- 's/MEMCACHED=true/MEMCACHED=false/g' .env
         sed -i -- 's/OCI8=true/OCI8=false/g' .env
-        sed -i -- 's/IONCUBE=true/IONCUBE=false/g' .env
         docker-compose build ${{ matrix.service }}
 
   build-other:
diff --git a/docker-compose.yml b/docker-compose.yml
index 3d9ed77..56cd7b2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -74,6 +74,7 @@ services:
           - INSTALL_SUBVERSION=${WORKSPACE_INSTALL_SUBVERSION}
           - INSTALL_BZ2=${WORKSPACE_INSTALL_BZ2}
           - INSTALL_GMP=${WORKSPACE_INSTALL_GMP}
+          - INSTALL_GNUPG=${WORKSPACE_INSTALL_GNUPG}
           - INSTALL_XDEBUG=${WORKSPACE_INSTALL_XDEBUG}
           - INSTALL_PCOV=${WORKSPACE_INSTALL_PCOV}
           - INSTALL_PHPDBG=${WORKSPACE_INSTALL_PHPDBG}
@@ -206,6 +207,7 @@ services:
           - LARADOCK_PHALCON_VERSION=${PHALCON_VERSION}
           - INSTALL_BZ2=${PHP_FPM_INSTALL_BZ2}
           - INSTALL_GMP=${PHP_FPM_INSTALL_GMP}
+          - INSTALL_GNUPG=${PHP_FPM_INSTALL_GNUPG}
           - INSTALL_XDEBUG=${PHP_FPM_INSTALL_XDEBUG}
           - INSTALL_PCOV=${PHP_FPM_INSTALL_PCOV}
           - INSTALL_PHPDBG=${PHP_FPM_INSTALL_PHPDBG}
@@ -307,6 +309,7 @@ services:
           - INSTALL_GD=${PHP_WORKER_INSTALL_GD}
           - INSTALL_IMAGEMAGICK=${PHP_WORKER_INSTALL_IMAGEMAGICK}
           - INSTALL_GMP=${PHP_WORKER_INSTALL_GMP}
+          - INSTALL_GNUPG=${PHP_WORKER_INSTALL_GNUPG}
           - INSTALL_PGSQL=${PHP_WORKER_INSTALL_PGSQL}
           - INSTALL_MONGO=${PHP_WORKER_INSTALL_MONGO}
           - INSTALL_BCMATH=${PHP_WORKER_INSTALL_BCMATH}
@@ -348,6 +351,7 @@ services:
           - INSTALL_BZ2=${LARAVEL_HORIZON_INSTALL_BZ2}
           - INSTALL_GD=${LARAVEL_HORIZON_INSTALL_GD}
           - INSTALL_GMP=${LARAVEL_HORIZON_INSTALL_GMP}
+          - INSTALL_GNUPG=${LARAVEL_HORIZON_INSTALL_GNUPG}
           - INSTALL_IMAGEMAGICK=${LARAVEL_HORIZON_INSTALL_IMAGEMAGICK}
           - INSTALL_PGSQL=${PHP_FPM_INSTALL_PGSQL}
           - INSTALL_ZIP_ARCHIVE=${LARAVEL_HORIZON_INSTALL_ZIP_ARCHIVE}
diff --git a/env-example b/env-example
index 2600dc9..5e9b867 100644
--- a/env-example
+++ b/env-example
@@ -123,6 +123,7 @@ WORKSPACE_INSTALL_WORKSPACE_SSH=false
 WORKSPACE_INSTALL_SUBVERSION=false
 WORKSPACE_INSTALL_BZ2=false
 WORKSPACE_INSTALL_GMP=false
+WORKSPACE_INSTALL_GNUPG=false
 WORKSPACE_INSTALL_XDEBUG=false
 WORKSPACE_INSTALL_PCOV=false
 WORKSPACE_INSTALL_PHPDBG=false
@@ -166,7 +167,7 @@ WORKSPACE_INSTALL_SWOOLE=false
 WORKSPACE_INSTALL_TAINT=false
 WORKSPACE_INSTALL_LIBPNG=false
 WORKSPACE_INSTALL_GRAPHVIZ=false
-WORKSPACE_INSTALL_IONCUBE=false
+WORKSPACE_INSTALL_IONCUBE=false # PHP 8.0 is not supported yet. Reference: https://forum.ioncube.com/viewtopic.php?t=4592
 WORKSPACE_INSTALL_MYSQL_CLIENT=false
 WORKSPACE_INSTALL_PING=false
 WORKSPACE_INSTALL_SSHPASS=false
@@ -212,6 +213,7 @@ PHP_FPM_INSTALL_PHPREDIS=true
 PHP_FPM_INSTALL_MEMCACHED=false
 PHP_FPM_INSTALL_BZ2=false
 PHP_FPM_INSTALL_GMP=false
+PHP_FPM_INSTALL_GNUPG=false
 PHP_FPM_INSTALL_XDEBUG=false
 PHP_FPM_INSTALL_PCOV=false
 PHP_FPM_INSTALL_XHPROF=false
@@ -240,7 +242,7 @@ PHP_FPM_INSTALL_POSTGIS=false
 PHP_FPM_INSTALL_PCNTL=false
 PHP_FPM_INSTALL_CALENDAR=false
 PHP_FPM_INSTALL_FAKETIME=false
-PHP_FPM_INSTALL_IONCUBE=false
+PHP_FPM_INSTALL_IONCUBE=false # PHP 8.0 is not supported yet. Reference: https://forum.ioncube.com/viewtopic.php?t=4592
 PHP_FPM_INSTALL_RDKAFKA=false
 PHP_FPM_INSTALL_GETTEXT=false
 PHP_FPM_INSTALL_XMLRPC=false
@@ -277,6 +279,7 @@ PHP_WORKER_INSTALL_GD=false
 PHP_WORKER_INSTALL_IMAGEMAGICK=false
 PHP_WORKER_IMAGEMAGICK_VERSION=latest
 PHP_WORKER_INSTALL_GMP=false
+PHP_WORKER_INSTALL_GNUPG=false
 PHP_WORKER_INSTALL_PGSQL=false
 PHP_WORKER_INSTALL_MONGO=false
 PHP_WORKER_INSTALL_BCMATH=false
@@ -316,6 +319,7 @@ NGINX_SSL_PATH=./nginx/ssl/
 LARAVEL_HORIZON_INSTALL_BZ2=false
 LARAVEL_HORIZON_INSTALL_GD=false
 LARAVEL_HORIZON_INSTALL_GMP=false
+LARAVEL_HORIZON_INSTALL_GNUPG=false
 LARAVEL_HORIZON_INSTALL_IMAGEMAGICK=false
 LARAVEL_HORIZON_IMAGEMAGICK_VERSION=latest
 LARAVEL_HORIZON_INSTALL_SOCKETS=false
diff --git a/laravel-horizon/Dockerfile b/laravel-horizon/Dockerfile
index 10cf90e..e35e81e 100644
--- a/laravel-horizon/Dockerfile
+++ b/laravel-horizon/Dockerfile
@@ -57,6 +57,23 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
   docker-php-ext-install bz2 \
 ;fi
 
+###########################################################################
+# PHP GnuPG:
+###########################################################################
+
+ARG INSTALL_GNUPG=false
+
+RUN set -eux; if [ ${INSTALL_GNUPG} = true ]; then \
+      apk add --no-cache --no-progress --virtual BUILD_DEPS_PHP_GNUPG gpgme-dev; \
+      apk add --no-cache --no-progress gpgme; \
+      if [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
+        pecl install gnupg-1.5.0RC2; \
+      else \
+        pecl install gnupg; \
+      fi; \
+      docker-php-ext-enable gnupg; \
+    fi
+
 #Install GD package:
 ARG INSTALL_GD=false
 RUN if [ ${INSTALL_GD} = true ]; then \
diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 75d9054..6b7d496 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -97,6 +97,21 @@ RUN if [ ${INSTALL_GMP} = true ]; then \
     docker-php-ext-install gmp \
 ;fi
 
+###########################################################################
+# GnuPG:
+###########################################################################
+
+ARG INSTALL_GNUPG=false
+
+RUN if [ ${INSTALL_GNUPG} = true ]; then \
+      apt-get -yq install libgpgme-dev; \
+      if [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
+        pecl install gnupg-1.5.0RC2; \
+      else \
+        pecl install gnupg; \
+      fi; \
+    fi
+
 ###########################################################################
 # SSH2:
 ###########################################################################
@@ -845,13 +860,15 @@ USER root
 ARG INSTALL_YAML=false
 
 RUN if [ ${INSTALL_YAML} = true ]; then \
-    apt-get install libyaml-dev -yqq; \
+    apt-get install -yqq libyaml-dev; \
     if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
-        pecl install -a yaml-1.3.2; \
+        echo '' | pecl install -a yaml-1.3.2; \
+    elif [ $(php -r "echo PHP_MAJOR_VERSION;") = "7" ] && [ $(php -r "echo PHP_MINOR_VERSION;") = "0" ]; then \
+        echo '' | pecl install yaml-2.0.4; \
     else \
-        pecl install yaml; \
-    fi && \
-    docker-php-ext-enable yaml \
+        echo '' | pecl install yaml; \
+    fi \
+    && docker-php-ext-enable yaml \
 ;fi
 
 ###########################################################################
diff --git a/php-worker/Dockerfile b/php-worker/Dockerfile
index 0787b7e..5f96e62 100644
--- a/php-worker/Dockerfile
+++ b/php-worker/Dockerfile
@@ -59,6 +59,23 @@ RUN if [ ${INSTALL_BZ2} = true ]; then \
   docker-php-ext-install bz2; \
 fi
 
+###########################################################################
+# PHP GnuPG:
+###########################################################################
+
+ARG INSTALL_GNUPG=false
+
+RUN set -eux; if [ ${INSTALL_GNUPG} = true ]; then \
+      apk add --no-cache --no-progress --virtual BUILD_DEPS_PHP_GNUPG gpgme-dev; \
+      apk add --no-cache --no-progress gpgme; \
+      if [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
+        pecl install gnupg-1.5.0RC2; \
+      else \
+        pecl install gnupg; \
+      fi; \
+      docker-php-ext-enable gnupg; \
+    fi
+
 #Install GD package:
 ARG INSTALL_GD=false
 RUN if [ ${INSTALL_GD} = true ]; then \
@@ -226,14 +243,20 @@ RUN if [ ${INSTALL_AUDIOWAVEFORM} = true ]; then \
    && make install \
 ;fi
 
-
 # Install AMQP:
 ARG INSTALL_AMQP=false
 
 RUN if [ ${INSTALL_AMQP} = true ]; then \
-    apk --update add rabbitmq-c rabbitmq-c-dev && \
-    pecl install amqp && \
+    apk del -q openssl openssl-dev && \
+    apk --update add -q rabbitmq-c rabbitmq-c-dev && \
+    if [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
+      printf "\n" | pecl install amqp-1.11.0beta; \
+    else \
+      printf "\n" | pecl install amqp; \
+    fi && \
     docker-php-ext-enable amqp && \
+    apk del -q rabbitmq-c-dev && \
+    apk add --update -q openssl openssl-dev && \
     docker-php-ext-install sockets \
 ;fi
 
diff --git a/workspace/Dockerfile b/workspace/Dockerfile
index 534e4c7..a798525 100644
--- a/workspace/Dockerfile
+++ b/workspace/Dockerfile
@@ -270,6 +270,16 @@ RUN if [ ${INSTALL_GMP} = true ]; then \
   apt-get -y install php${LARADOCK_PHP_VERSION}-gmp \
 ;fi
 
+###########################################################################
+# GnuPG:
+###########################################################################
+
+ARG INSTALL_GNUPG=false
+
+RUN if [ ${INSTALL_GNUPG} = true ]; then \
+      apt-get install -yqq php${LARADOCK_PHP_VERSION}-gnupg; \
+    fi
+
 ###########################################################################
 # SSH2:
 ###########################################################################
@@ -568,7 +578,7 @@ ARG INSTALL_PHPREDIS=false
 
 RUN if [ ${INSTALL_PHPREDIS} = true ]; then \
     apt-get update -yqq && \
-    apt-get install -yqq php-redis \
+    apt-get install -yqq php${LARADOCK_PHP_VERSION}-redis \
 ;fi
 
 ###########################################################################
@@ -691,12 +701,15 @@ RUN if [ ${INSTALL_GRAPHVIZ} = true ]; then \
 ARG INSTALL_IONCUBE=false
 
 RUN if [ ${INSTALL_IONCUBE} = true ]; then \
-    # Install the php ioncube loader
-    curl -L -o /tmp/ioncube_loaders_lin_x86-64.tar.gz https://downloads.ioncube.com/loader_downloads/ioncube_loaders_lin_x86-64.tar.gz \
-    && tar zxpf /tmp/ioncube_loaders_lin_x86-64.tar.gz -C /tmp \
-    && mv /tmp/ioncube/ioncube_loader_lin_${LARADOCK_PHP_VERSION}.so $(php -r "echo ini_get('extension_dir');")/ioncube_loader.so \
-    && echo "zend_extension=ioncube_loader.so" >> /etc/php/${LARADOCK_PHP_VERSION}/mods-available/0ioncube.ini \
-    && rm -rf /tmp/ioncube* \
+    if [ $(php -r "echo PHP_MAJOR_VERSION;") != "8" ]; then \
+      # Install the php ioncube loader
+      curl -L -o /tmp/ioncube_loaders_lin_x86-64.tar.gz https://downloads.ioncube.com/loader_downloads/ioncube_loaders_lin_x86-64.tar.gz \
+      && tar zxpf /tmp/ioncube_loaders_lin_x86-64.tar.gz -C /tmp \
+      && mv /tmp/ioncube/ioncube_loader_lin_${LARADOCK_PHP_VERSION}.so $(php -r "echo ini_get('extension_dir');")/ioncube_loader.so \
+      && echo "zend_extension=ioncube_loader.so" >> /etc/php/${LARADOCK_PHP_VERSION}/mods-available/ioncube.ini \
+      && ln -s /etc/php/${LARADOCK_PHP_VERSION}/mods-available/ioncube.ini /etc/php/${LARADOCK_PHP_VERSION}/cli/conf.d/0ioncube.ini \
+      && rm -rf /tmp/ioncube* \
+    ;fi \
 ;fi
 
 ###########################################################################
@@ -981,7 +994,7 @@ ARG INSTALL_LARAVEL_ENVOY=false
 
 RUN if [ ${INSTALL_LARAVEL_ENVOY} = true ]; then \
     # Install the Laravel Envoy
-    composer global require "laravel/envoy=~2.0" \
+    composer global require laravel/envoy \
 ;fi
 
 ###########################################################################
@@ -1026,13 +1039,13 @@ RUN if [ ${INSTALL_DEPLOYER} = true ]; then \
 ###########################################################################
 # Prestissimo:
 ###########################################################################
-USER laradock
-
 ARG INSTALL_PRESTISSIMO=false
 
 RUN if [ ${INSTALL_PRESTISSIMO} = true ]; then \
-    # Install Prestissimo
-    composer global require "hirak/prestissimo" \
+    if [ $(php -r "echo COMPOSER_VERSION;") = "1" ]; then \
+      # Install Prestissimo
+      composer global require "hirak/prestissimo" \
+    ;fi \
 ;fi
 
 ###########################################################################
@@ -1388,12 +1401,14 @@ ARG INSTALL_YAML=false
 RUN if [ ${INSTALL_YAML} = true ]; then \
     apt-get install libyaml-dev -y ; \
     if [ $(php -r "echo PHP_MAJOR_VERSION;") = "5" ]; then \
-        pecl install -a yaml-1.3.2; \
+        echo '' | pecl install -a yaml-1.3.2; \
+    elif [ $(php -r "echo PHP_MAJOR_VERSION;") = "7" ] && [ $(php -r "echo PHP_MINOR_VERSION;") = "0" ]; then \
+        echo '' | pecl install yaml-2.0.4; \
     else \
-        pecl install yaml; \
-    fi && \
-    echo "extension=yaml.so" >> /etc/php/${LARADOCK_PHP_VERSION}/mods-available/yaml.ini && \
-    ln -s /etc/php/${LARADOCK_PHP_VERSION}/mods-available/yaml.ini /etc/php/${LARADOCK_PHP_VERSION}/cli/conf.d/35-yaml.ini \
+        echo '' | pecl install yaml; \
+    fi \
+    && echo "extension=yaml.so" >> /etc/php/${LARADOCK_PHP_VERSION}/mods-available/yaml.ini \
+    && ln -s /etc/php/${LARADOCK_PHP_VERSION}/mods-available/yaml.ini /etc/php/${LARADOCK_PHP_VERSION}/cli/conf.d/35-yaml.ini \
 ;fi
 
 ###########################################################################
@@ -1632,8 +1647,6 @@ RUN if [ ${SHELL_OH_MY_ZSH} = true ]; then \
 	  echo "" >> ~/.zshrc \
 ;fi
 
-USER root
-
 #
 #--------------------------------------------------------------------------
 # Final Touch