MCLOUD-6621: ps library is missing on newer images

Author: shiftedreality

images/php/7.1-cli/Dockerfile

@@ -29,6 +29,8 @@ RUN apt-get update \
   python3 \
   python3-pip \
   redis-tools \
+  sendmail-bin \
+  sendmail \
   sudo \
   unzip \
   vim \

images/php/7.1-fpm/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update \
   && apt-get upgrade -y \
   && apt-get install -y --no-install-recommends \
   apt-utils \
+  sendmail-bin \
+  sendmail \
   sudo \
   libbz2-dev \
   libjpeg62-turbo-dev \

images/php/7.2-cli/Dockerfile

@@ -29,6 +29,8 @@ RUN apt-get update \
   python3 \
   python3-pip \
   redis-tools \
+  sendmail-bin \
+  sendmail \
   sudo \
   unzip \
   vim \

images/php/7.2-fpm/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update \
   && apt-get upgrade -y \
   && apt-get install -y --no-install-recommends \
   apt-utils \
+  sendmail-bin \
+  sendmail \
   sudo \
   libbz2-dev \
   libjpeg62-turbo-dev \

images/php/7.3-cli/Dockerfile

@@ -29,6 +29,8 @@ RUN apt-get update \
   python3 \
   python3-pip \
   redis-tools \
+  sendmail-bin \
+  sendmail \
   sudo \
   unzip \
   vim \

images/php/7.3-fpm/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update \
   && apt-get upgrade -y \
   && apt-get install -y --no-install-recommends \
   apt-utils \
+  sendmail-bin \
+  sendmail \
   sudo \
   libbz2-dev \
   libjpeg62-turbo-dev \

images/php/7.4-cli/Dockerfile

@@ -29,6 +29,8 @@ RUN apt-get update \
   python3 \
   python3-pip \
   redis-tools \
+  sendmail-bin \
+  sendmail \
   sudo \
   unzip \
   vim \

images/php/7.4-fpm/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update \
   && apt-get upgrade -y \
   && apt-get install -y --no-install-recommends \
   apt-utils \
+  sendmail-bin \
+  sendmail \
   sudo \
   libbz2-dev \
   libjpeg62-turbo-dev \

src/Command/Image/GeneratePhp.php

@@ -33,6 +33,8 @@ class GeneratePhp extends Command
     private const ARGUMENT_VERSION = 'version';
     private const DEFAULT_PACKAGES_PHP_FPM = [
         'apt-utils',
+        'sendmail-bin',
+        'sendmail',
         'sudo'
     ];
     private const DEFAULT_PACKAGES_PHP_CLI = [
@@ -45,6 +47,8 @@ class GeneratePhp extends Command
         'python3',
         'python3-pip',
         'redis-tools',
+        'sendmail-bin',
+        'sendmail',
         'sudo',
         'unzip',
         'vim',