docker-log-centralizer/rsyslog/conf.d/rsyslog-json.conf

template(name="ls_json"
	type="list"
	option.json="on") {
		constant(value="{")
		constant(value="\"@timestamp\":\"")     property(name="timereported" dateFormat="rfc3339")
		constant(value="\",\"message\":\"")     property(name="msg")
		constant(value="\",\"host\":\"")        property(name="hostname")
		constant(value="\",\"programname\":\"") property(name="programname")
		constant(value="\",\"procid\":\"")      property(name="procid")
		constant(value="\"}")
	}