grid-columns: 4
horizontal-gap: 60
vertical-gap: 30

h1: "Application" { shape: text }
a1: "stdout/stderr"
a2: "fichier .log"
a3: "syslog (UDP)"
h2: "Collecteur" { shape: text }
c1: "Promtail\nFluent Bit"
c2: "Fluentd\nOTel Collector"
c3: "rsyslog\nsyslog-ng"
h3: "Backend" { shape: text }
b1: "Loki"
b2: "Elastic"
b3: "fichier"
h4: "Interface" { shape: text }
i1: "Grafana"
i2: "Kibana"
i3: "grep / jq"

a1 -> c1 -> b1 -> i1
a2 -> c2 -> b2 -> i2
a3 -> c3 -> b3 -> i3