Instructions to setup as systemd service (#30)

systemd-service/README.md

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+# Systemd service for Sidekick
+
+Systemd script for Sidekick Load Balancer.
+
+## Installation
+
+- Systemd script is configured to run the binary from /usr/local/bin/
+- Download the binary from https://github.com/minio/sidekick/releases
+
+## Create default configuration
+
+```sh
+$ cat <<EOF >> /etc/default/sidekick
+# Sidekick options
+SIDEKICK_OPTIONS="--health-path=/minio/health/ready --address :8000"
+
+# Sidekick sites
+SIDEKICK_SITES="http://172.17.0.{11...18}:9000 http://172.18.0.{11...18}:9000"
+
+EOF
+```
+
+## Systemctl
+
+Download sidekick.service in /etc/systemd/system/
+
+## Enable startup on boot
+
+```
+systemctl enable sidekick.service
+```
+
+## Note
+Replace User=nobody and Group=nobody in minio.service file with your local setup user.

systemd-service/sidekick.service

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+[Unit]
+Description=Sidekick
+Documentation=https://github.com/minio/sidekick/blob/master/README.md
+Wants=network-online.target
+After=network-online.target
+AssertFileIsExecutable=/usr/local/bin/sidekick
+
+[Service]
+User=nobody
+Group=nogroup
+
+EnvironmentFile=/etc/default/sidekick
+
+ExecStart=/usr/local/bin/sidekick $SIDEKICK_OPTIONS $SIDEKICK_SITES
+
+# Let systemd restart this service always
+Restart=always
+
+# Specifies the maximum file descriptor number that can be opened by this process
+LimitNOFILE=65536
+
+# Disable timeout logic and wait until process is stopped
+TimeoutStopSec=infinity
+SendSIGKILL=no
+
+[Install]
+WantedBy=multi-user.target
+