add supervisor to nineapache

misc/images/nineapache74/containers/nineapache/Dockerfile

@@ -13,7 +13,8 @@ RUN apk add --no-cache \
     unzip \
     zip \
     openssl \
-    mariadb-client
+    mariadb-client \
+    supervisor
 
 RUN apk add --no-cache \ 
     apache2 \
@@ -58,6 +59,8 @@ RUN curl -sS https://getcomposer.org/installer | php -- --1 --install-dir=/usr/l
 RUN npm install -g n
 RUN npm install -g yarn
 
+RUN mkdir /etc/supervisor.d
+
 COPY apache2.sh /etc/apache2/apache2.sh
 RUN chmod +x /etc/apache2/apache2.sh    
 COPY php.local.ini /etc/php7/conf.d/