deploy.sh

#!/bin/bash

export NAME=ghost
export TARGET=root@1.2.3.4
export SERVICE=$(mktemp)

cat > $SERVICE <<EOF
[Unit]
Description=Ghost
After=docker.service
Requires=docker.service

[Service]
TimeoutStartSec=0
Restart=always
ExecStartPre=-/usr/bin/docker stop ghost
ExecStartPre=-/usr/bin/docker rm ghost
ExecStartPre=/usr/bin/docker pull ghost:latest
ExecStart=/usr/bin/docker run --rm --name ghost -p 80:2368 ghost

[Install]
WantedBy=multi-user.target
EOF

echo "Uploading $NAME service..."
rsync $SERVICE $TARGET:/etc/systemd/system/$NAME.service

echo "Restarting $NAME service..."
ssh $TARGET "systemctl daemon-reload && systemctl restart ghost --no-block"