Docker Swarm

List all containers over swarm

docker node ps $(docker node ls -q)

Enable tls

#!/usr/bin/env bash
set -e
# https://docs.docker.com/engine/security/protect-access/
HOST=d3.uvoo.io
ipaddr=$(dig +short d3.uvoo.io)

openssl genrsa -aes256 -out ca-key.pem 4096
openssl genrsa -out server-key.pem 4096
openssl req -subj "/CN=$HOST" -sha256 -new -key server-key.pem -out server.csr
echo subjectAltName = DNS:$HOST,IP:$ipaddr,IP:127.0.0.1 >> extfile.cnf
echo extendedKeyUsage = serverAuth >> extfile.cnf
openssl x509 -req -days 365 -sha256 -in server.csr -CA ca.pem -CAkey ca-key.pem \
          -CAcreateserial -out server-cert.pem -extfile extfile.cnf