Example: Nginx with Docker
Save the following contents to /etc/systemd/system/docker-nginx.service
[Unit]
Description=Docker Nginx example.
Requires=docker.service setup-network-environment.service
After=docker.service setup-network-environment.service
[Service]
EnvironmentFile=/etc/network-environment
TimeoutStartSec=0
Restart=always
ExecStartPre=-/usr/bin/docker stop %n
ExecStartPre=-/usr/bin/docker rm %n
ExecStartPre=/usr/bin/docker pull nginx
ExecStart=/usr/bin/docker run \
--rm \
--name=%n \
--publish ${DEFAULT_IPV4}:80:80 \
nginx
[Install]
WantedBy=multi-user.target
Create an environment variable to use for the next set of commands:
sysDserviceSaveFile=/etc/systemd/system/docker-nginx.service
Run the following set of commands together, including the curly braces:
{
if $? -eq 0; then echo "Working on ${sysDserviceSaveFile}"; else echo "Unknown variable"; exit; fi
# Set permissions
chmod -v 644 ${sysDserviceSaveFile}
# Reload management parameters
systemctl daemon-reload
# Enable system service
systemctl enable "${sysDserviceSaveFile}"
# Start system service
systemctl start "${sysDserviceSaveFile}"
# Check status
systemctl status "${sysDserviceSaveFile}"
}