grafana-agent config problem

grafana-agent.conf

prometheus.scrape "default" {
	targets    = [{"__address__" = "localhost:12345"}]
	forward_to = [prometheus.remote_write.prom.receiver]
}

prometheus.exporter.unix { }

prometheus.remote_write "prom" { }

discovery.docker "linux" {
	host = "unix:///var/run/docker.sock"
}

loki.source.docker "default" {
	host       = "unix:///var/run/docker.sock"
	targets    = discovery.docker.linux.targets
	forward_to = [loki.write.grafana_cloud.receiver]
	//forward_to = [loki.process.docker.receiver]
}

// this was me trying to fix labels
loki.process "docker" {
	forward_to = [loki.write.grafana_cloud.receiver]

	stage.labels {
		values = {
			app  = "__meta_docker_container_name",
			app2 = "container_name",
			app3 = "__container_name__",
		}
	}
}

loki.write "grafana_cloud" {
	external_labels = {instance = "test"}

	endpoint {
		url = "https://SECRET_STRING@logs-prod3.grafana.net/loki/api/v1/push"
	}
}