add missing package for sending any DEV emails, move apt-get install package

Author: gegere

Dockerfile

@@ -9,34 +9,32 @@ ENV LANG=${OS_LOCALE} \
     DEBIAN_FRONTEND=noninteractive
 
 # Install packages then remove cache package list information
-RUN	\
-		BUILD_DEPS='software-properties-common' \
+RUN BUILD_DEPS='software-properties-common' \
     && dpkg-reconfigure locales \
-		&& apt-get install --no-install-recommends -y $BUILD_DEPS \
-		&& add-apt-repository -y ppa:ondrej/php \
-		&& add-apt-repository -y ppa:ondrej/apache2 \
-		&& apt-get update \
-	 	&& apt-get install -y curl apache2 libapache2-mod-php7.3 php7.3-cli php7.3-readline php7.3-mbstring php7.3-zip php7.3-intl php7.3-xml php7.3-json php7.3-curl php7.3-gd php7.3-pgsql php7.3-mysql php-pear \
-	&& apt-get update && apt-get install -yq --no-install-recommends \
-		git \
-		cron \
-		ghostscript \
-		mailutils \
-		iputils-ping \
-		mysql-client \
-		libgs-dev \
-		imagemagick \
-		libmagickwand-dev \
-		language-pack-en \
-		supervisor \
-		rsyslog \
-		vim \
-		wget \
-		postfix \
-		# Cleaning
-	&& apt-get purge -y --auto-remove $BUILD_DEPS \
-	&& apt-get autoremove -y \
-	&& rm -rf /var/lib/apt/lists/*
+        && apt-get install -y $BUILD_DEPS \
+        && add-apt-repository -y ppa:ondrej/php \
+        && add-apt-repository -y ppa:ondrej/apache2 \
+        && apt-get update \
+        && apt-get install -y curl apache2 libsasl2-modules libapache2-mod-php7.3 php7.3-cli php7.3-readline php7.3-mbstring php7.3-zip php7.3-intl php7.3-xml php7.3-json php7.3-curl php7.3-gd php7.3-pgsql php7.3-mysql php-pear \
+    && apt-get update && apt-get install -yq --no-install-recommends \
+        git \
+        cron \
+        ghostscript \
+        mailutils \
+        iputils-ping \
+        mysql-client \
+        libgs-dev \
+        imagemagick \
+        libmagickwand-dev \
+        language-pack-en \
+        supervisor \
+        rsyslog \
+        vim \
+        wget \
+        postfix \
+    && apt-get purge -y --auto-remove $BUILD_DEPS \
+    && apt-get autoremove -y \
+    && rm -rf /var/lib/apt/lists/*
 
 # POSTFIX
 RUN update-locale LANG=en_US.UTF-8
@@ -51,9 +49,9 @@ COPY ./tests /opt/tests
 RUN tar xf /opt/tests/2.1.6.tar.gz -C /opt/tests/
 
 # SUPERVISOR
-RUN chmod -R 755 /opt/* && \
-	mkdir -p /var/log/supervisor && \
-	cp /opt/app/supervisord /etc/supervisor/conf.d/supervisord.conf
+RUN chmod -R 755 /opt/* \
+    && mkdir -p /var/log/supervisor \
+    && cp /opt/app/supervisord /etc/supervisor/conf.d/supervisord.conf
 
 # COMPOSER
 RUN curl -sS https://getcomposer.org/installer | php && mv composer.phar /usr/local/bin/composer
@@ -72,20 +70,20 @@ RUN a2enmod userdir rewrite ssl
 
 # Environment variables contained within build container.
 ENV TERM=xterm \
-	LISTEN_PORT=80 \
-	APACHE_RUN_USER=www-data \
-	APACHE_RUN_GROUP=www-data \
-	APACHE_LOG_DIR=/var/log/apache2 \
-	APACHE_LOCK_DIR=/var/lock/apache2 \
-	APACHE_PID_FILE=/var/run/apache2.pid \
-	AUTHORIZED_KEYS=$AUTHORIZED_KEYS \
-	DOCKERCLOUD_SERVICE_FQDN=$DOCKERCLOUD_SERVICE_FQDN \
-	LOG_TOKEN=$LOG_TOKEN \
-	NODE_ENVIRONMENT=$NODE_ENVIRONMENT \
-	PATH="~/.composer/vendor/bin:$PATH" \
-	SMTP_HOST=$SMTP_HOST \
-	SASL_USER=$SASL_USER \
-	SASL_PASS=$SASL_PASS
+    LISTEN_PORT=80 \
+    APACHE_RUN_USER=www-data \
+    APACHE_RUN_GROUP=www-data \
+    APACHE_LOG_DIR=/var/log/apache2 \
+    APACHE_LOCK_DIR=/var/lock/apache2 \
+    APACHE_PID_FILE=/var/run/apache2.pid \
+    AUTHORIZED_KEYS=$AUTHORIZED_KEYS \
+    DOCKERCLOUD_SERVICE_FQDN=$DOCKERCLOUD_SERVICE_FQDN \
+    LOG_TOKEN=$LOG_TOKEN \
+    NODE_ENVIRONMENT=$NODE_ENVIRONMENT \
+    PATH="~/.composer/vendor/bin:$PATH" \
+    SMTP_HOST=$SMTP_HOST \
+    SASL_USER=$SASL_USER \
+    SASL_PASS=$SASL_PASS
 
 # Build-time metadata as defined at http://label-schema.org
 ARG BUILD_DATE