DOCKER(1) Docker User Manuals DOCKER(1)
NAME
docker-swarm-ca - Display and rotate the root CA
SYNOPSIS
docker swarm ca [OPTIONS]
DESCRIPTION
Display and rotate the root CA
OPTIONS
--ca-cert= Path to the PEM-formatted root CA certificate to use
for the new cluster
--ca-key= Path to the PEM-formatted root CA key to use for the new
cluster
--cert-expiry=2160h0m0s Validity period for node certificates
(ns|us|ms|s|m|h)
-d, --detach[=false] Exit immediately instead of waiting for the
root rotation to converge
--external-ca= Specifications of one or more certificate signing
endpoints
-q, --quiet[=false] Suppress progress output
--rotate[=false] Rotate the swarm CA - if no certificate or key
are provided, new ones will be generated
SEE ALSO
docker-swarm(1)
Docker Community Apr 2026 DOCKER(1)
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