[Unit]
Description=Hello World Service
Requires=docker.service
After=docker.service

[Service]
TimeoutStartSec=0
ExecStartPre=-/usr/bin/docker kill helloworld
ExecStartPre=-/usr/bin/docker rm -f helloworld
ExecStartPre=/usr/bin/docker pull mattbailey/helloworld:latest
ExecStart=/usr/bin/docker run --name helloworld -p 3000:3000 mattbailey/helloworld:latest
ExecStop=-/usr/bin/docker stop helloworld

[X-Fleet]
Conflicts=helloworld@*