systemd scheduled script execution

script.service

[Unit]
Description=Run Script 

[Service]
Type=simple
ExecStart=/home/ec2-user/script.sh

script.sh

#!/bin/bash

container_id=$(docker ps -a --filter ancestor=<my_container> --format "{{.ID}}")
if [ -n "$container_id" ]; then
    docker kill "$container_id"
    docker rm "$container_id"
fi
docker run -d -p <port>:<port> --restart always <my_container>

script.timer

[Unit]
Description=Run Script Weekly

[Timer]
OnCalendar=weekly
Persistent=true

[Install]
WantedBy=timers.target