feat: execute wp crons every minute

Author: gabe565

Dockerfile

@@ -7,6 +7,12 @@ ARG FLAVOR=apache
 
 FROM ghcr.io/mlocati/php-extension-installer:2.7.24 AS ext-installer
 
+FROM --platform=$BUILDPLATFORM alpine AS supercronic
+ARG SUPERCRONIC_VERSION=v0.2.45
+ARG TARGETARCH
+RUN wget -O /usr/local/bin/supercronic "https://github.com/aptible/supercronic/releases/download/${SUPERCRONIC_VERSION}/supercronic-linux-${TARGETARCH}" \
+    && chmod +x /usr/local/bin/supercronic
+
 FROM wordpress:cli-${CLI_VERSION}-php${PHP_VERSION} AS wp-cli-source
 
 FROM wordpress:${WORDPRESS_VERSION}-php${PHP_VERSION}-${FLAVOR} AS base
@@ -26,6 +32,7 @@ EOT
 
 FROM base
 
+COPY --from=supercronic /usr/local/bin/supercronic /usr/local/bin/supercronic
 COPY --from=wp-cli-source /usr/local/bin/wp /usr/local/bin/wp
 ENV WP_CLI_ALLOW_ROOT=1
 ENV PAGER=cat
@@ -49,6 +56,10 @@ RUN <<EOT
       php.ini-production
 
   ln -s php.ini-production php.ini
+
+  apt-get update
+  apt-get install -y s6
+  rm -rf /var/lib/apt/lists/*
 EOT
 
 ENV PHP_MAX_EXECUTION_TIME=30
@@ -65,3 +76,7 @@ EOT
 
 COPY --from=config-file /wp-config-docker.php /usr/src/wordpress/wp-config-docker.php
 COPY --chown=www-data:www-data wp-content /usr/src/wordpress/wp-content
+COPY rootfs /
+
+ENTRYPOINT []
+CMD ["/usr/bin/s6-svscan", "/etc/s6/services"]

rootfs/etc/s6/services/apache/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd /var/www/html
+exec docker-entrypoint.sh apache2-foreground

rootfs/etc/s6/services/cron/run

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd /var/www/html
+exec s6-setuidgid www-data supercronic --quiet /etc/supercronic/wordpress

rootfs/etc/supercronic/wordpress

@@ -0,0 +1 @@
+* * * * * wp cron event run --due-now

wp-config.ext.php

@@ -1,3 +1,5 @@
+define('DISABLE_WP_CRON', getenv_docker('DISABLE_WP_CRON', true));
+
 /* C3 Cloudfront Clear Cache envs */
 define('AWS_ACCESS_KEY_ID', getenv_docker('AWS_ACCESS_KEY_ID', null));
 define('AWS_SECRET_ACCESS_KEY', getenv_docker('AWS_SECRET_ACCESS_KEY', null));