.nh .TH "DOCKER" "1" "Jan 2024" "Docker Community" "Docker User Manuals" .SH NAME .PP docker-swarm-update - Update the swarm .SH SYNOPSIS .PP \fBdocker swarm update [OPTIONS]\fP .SH DESCRIPTION .PP Update the swarm .SH OPTIONS .PP \fB--autolock\fP[=false] Change manager autolocking setting (true|false) .PP \fB--cert-expiry\fP=2160h0m0s Validity period for node certificates (ns|us|ms|s|m|h) .PP \fB--dispatcher-heartbeat\fP=5s Dispatcher heartbeat period (ns|us|ms|s|m|h) .PP \fB--external-ca\fP= Specifications of one or more certificate signing endpoints .PP \fB-h\fP, \fB--help\fP[=false] help for update .PP \fB--max-snapshots\fP=0 Number of additional Raft snapshots to retain .PP \fB--snapshot-interval\fP=10000 Number of log entries between Raft snapshots .PP \fB--task-history-limit\fP=5 Task history retention limit .SH SEE ALSO .PP \fBdocker-swarm(1)\fP