[blogs] Add custom entrypoint for updating Wordpress on start

[Andrea Veri <averi src gnome org>]

commit 1c76ede41ebc6dda86b9aa03ea6e6381e6ed60cf
Author: Bartłomiej Piotrowski <bpiotrowski gnome org>
Date:   Wed Dec 16 09:38:59 2020 +0100

    Add custom entrypoint for updating Wordpress on start

 Dockerfile |  3 +++
 entrypoint | 14 ++++++++++++++
 2 files changed, 17 insertions(+)
---
diff --git a/Dockerfile b/Dockerfile
index 7d04da6..db470a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,3 +24,6 @@ RUN yes no | pecl install redis && \
    
 ADD php.ini /usr/local/etc/php/conf.d/wordpress.ini
 RUN sed -i 's/pm.max_children =.*/pm.max_children = 8/' /usr/local/etc/php-fpm.d/www.conf
+
+ADD entrypoint /entrypoint
+ENTRYPOINT ["/entrypoint"]
diff --git a/entrypoint b/entrypoint
new file mode 100755
index 0000000..7dd284c
--- /dev/null
+++ b/entrypoint
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+WP="wp --url=blogs.gnome.org"
+
+IMAGE_VERSION="$WORDPRESS_VERSION"
+CURRENT_VERSION="$($WP core version)"
+
+if [[ "$CURRENT_VERSION" != "$IMAGE_VERSION" ]]; then
+    $WP core update 
+    $WP core update-db --network
+    $WP plugin update --all
+fi
+
+exec docker-entrypoint.sh $@