entrypoint: remove references to entrypoint.sh from base image

bitnami/joomla/Dockerfile

@@ -1,4 +1,4 @@
-FROM gcr.io/stacksmith-images/minideb:jessie-r8
+FROM gcr.io/stacksmith-images/minideb:jessie-r9
 
 MAINTAINER Bitnami <containers@bitnami.com>
 

bitnami/joomla/rootfs/app-entrypoint.sh

@@ -1,23 +1,13 @@
-#!/bin/bash
-set -e
+#!/bin/bash -e
+. /opt/bitnami/base/functions
+. /opt/bitnami/base/helpers
 
-function initialize {
-    # Package can be "installed" or "unpacked"
-    status=`nami inspect $1`
-    if [[ "$status" == *'"lifecycle": "unpacked"'* ]]; then
-        inputs=""
-        if [[ -f /$1-inputs.json ]]; then
-            inputs=--inputs-file=/$1-inputs.json
-        fi
-        nami initialize $1 $inputs
-    fi
-}
+print_welcome_page
+check_for_updates &
 
-if [[ "$1" == "nami" && "$2" == "start" ]] ||  [[ "$1" == "/init.sh" ]]; then
-   for module in apache php joomla; do
-    initialize $module
-   done
-   echo "Starting application ..."
+if [[ "$1" == "nami" && "$2" == "start" ]] || [[ "$1" == "/init.sh" ]]; then
+  nami_initialize apache php joomla
+  info "Starting joomla..."
 fi
 
-exec /entrypoint.sh "$@"
+exec tini -- "$@"