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feat: enable live-restore by default when installing Dokku

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This will help users have more seamless upgrades in the future in cases where docker is restarted.
This commit is contained in:
Jose Diaz-Gonzalez
2025-11-22 20:25:22 -05:00
parent 72c519f7b3
commit 247d522b7e
2 changed files with 36 additions and 2 deletions
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4
debian/control vendored
View File

@@ -3,9 +3,9 @@ Version: 0.37.0
Section: web
Priority: optional
Architecture: amd64
Depends: apache2-utils, locales, git, cpio, cron, curl, man-db, netcat, sshcommand, docker-engine-cs (>= 19.03.0) | docker-engine (>= 19.03.0) | docker-io (>= 19.03.0) | docker.io (>= 19.03.0) | docker-ce (>= 19.03.0) | docker-ee (>= 19.03.0) | moby-engine, docker-compose-plugin | moby-compose, docker-buildx-plugin | moby-buildx, docker-container-healthchecker, docker-image-labeler, lambda-builder, net-tools, netrc, parallel, procfile-util, rsync, dos2unix, jq, unzip, util-linux
Depends: apache2-utils, locales, git, cpio, cron, curl, man-db, netcat, sshcommand, docker-engine-cs (>= 19.03.0) | docker-engine (>= 19.03.0) | docker-io (>= 19.03.0) | docker.io (>= 19.03.0) | docker-ce (>= 19.03.0) | docker-ee (>= 19.03.0) | moby-engine, docker-compose-plugin | moby-compose, docker-buildx-plugin | moby-buildx, docker-container-healthchecker, docker-image-labeler, lambda-builder, net-tools, netrc, parallel, procfile-util, rsync, dos2unix, unzip, util-linux
Recommends: herokuish, bash-completion, dokku-update, dokku-event-listener
Pre-Depends: gliderlabs-sigil, nginx (>= 1.8.0) | openresty, bind9-dnsutils, debconf, plugn, sudo, python3, rsyslog
Pre-Depends: gliderlabs-sigil, jq, nginx (>= 1.8.0) | openresty, bind9-dnsutils, debconf, plugn, sudo, python3, rsyslog
Maintainer: Jose Diaz-Gonzalez <dokku@josediazgonzalez.com>
Description: Docker-powered PaaS that helps build and manage the lifecycle of applications
Dokku is an extensible, open source Platform as a Service

34
debian/postinst vendored
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@@ -24,6 +24,39 @@ call-sshcommand() {
fi
}
setup-docker-live-restore() {
# skip if running in docker-based installation
if [[ "$DOKKU_INIT_SYSTEM" == "sv" ]]; then
return
fi
# allow disabling via /etc/default/dokku
if [[ "$DOKKU_LIVE_RESTORE" == "false" ]]; then
return
fi
live_restore="$(docker info --format '{{ .LiveRestoreEnabled }}' || true)"
if [ "$live_restore" = "true" ]; then
echo "Docker live-restore is already enabled"
return
fi
echo "Enabling docker live-restore"
if [[ ! -f /etc/docker/daemon.json ]]; then
echo "{}" >/etc/docker/daemon.json
fi
config="$(jq '. + {"live-restore": true}' /etc/docker/daemon.json)"
echo "$config" >/etc/docker/daemon.json
if command -v systemctl &>/dev/null; then
if ! systemctl reload docker; then
echo "Unable to reload docker, please reload manually" 1>&2
fi
else
echo "Unable to reload docker, please reload manually" 1>&2
fi
}
setup-user() {
echo "Setting up dokku user"
call-sshcommand create dokku /usr/bin/dokku
@@ -135,6 +168,7 @@ case "$1" in
dpkg-handling
setup-plugins
setup-sshcommand
setup-docker-live-restore
;;
*)