Build with S6 (bullseye)

Dockerfile

@@ -4,7 +4,7 @@ ADD . /build
 WORKDIR /build
 RUN /build/install.sh
 
-FROM registry.git.autistici.org/ai3/docker/apache2-php-base:master
+FROM registry.git.autistici.org/ai3/docker/apache2-php-base:s6
 
 COPY --from=build /build/app/ /opt/noblogs/www
 
@@ -13,7 +13,6 @@ COPY docker/wp-config.php /opt/noblogs/www/wp-config.php
 COPY docker/wp-cache-config.php /opt/noblogs/www/wp-content/wp-cache-config.php
 COPY docker/conf /tmp/conf
 COPY docker/build.sh /tmp/build.sh
-COPY docker/post-upgrade.sh /post-upgrade.sh
 
 RUN /tmp/build.sh && rm /tmp/build.sh
 

docker/conf/chaperone.d/clean-sessions.service

-clean_sessions.service: {
-    type: cron,
-    interval: "10,40 * * * *",
-    command: "/usr/bin/find /var/lib/php/sessions -mindepth 1 -type f -mtime +1 -delete",
-}

docker/conf/chaperone.d/startup.conf

-noblogs_upgrade.service: {
-    type: oneshot,
-    stdout: inherit,
-    command: "/post-upgrade.sh",
-    ignore_failures: true,
-    process_timeout: 7200,
-    exit_kills: false,
-}

docker/post-upgrade.sh → docker/conf/cont-init.d/99noblogs-post-upgrade

@@ -44,4 +44,4 @@ if [ $cur_schema_version -lt $new_schema_version ]; then
     echo "network upgrade message removed"
 fi
 
-exit 0
\ No newline at end of file
+exit 0

docker/conf/php/7.3/fpm/pool.d/www.conf → docker/conf/php/7.4/fpm/pool.d/www.conf

 [www]
 user = ${PHP_FPM_USER}
-listen = /run/php/php7.3-fpm.sock
+listen = /run/php/php7.4-fpm.sock
 
 pm = dynamic
 pm.max_children = 75