It seems that now it install php defined in the environment variable PHP_VERSIONS

php-fpm-srv/project/entrypoint/install-php-versions.sh

@@ -1,14 +1,10 @@
 #!/bin/sh
+set -e
 
 apt-get update
 
-echo "Installing PHP versions: $PHP_VERSIONS"
-
 for version in $PHP_VERSIONS; do
     echo "Installing PHP $version..."
-  apt-get install -y "php$version"
-done
-
     apt-get install -y \
         php$version-fpm \
         php$version-bcmath \
@@ -44,6 +40,6 @@ apt-get install -y \
         php$version-xdebug \
         php$version-xml \
         php$version-xsl \
-	php$version-zip \
+        php$version-zip
+done
 
-/bin/sh /start-php-fpm.sh