Mermaid

https://mermaid-js.github.io/mermaid-live-editor

gantt
  axisFormat %d-%b-%Y
  title Enabling
  excludes weekends saturday,sunday
 
  section Section One
  done     :done,      2023-09-10,   5d
  active   :active,    5d
  planned  :           2023-09-20,   3d
 
  section Section Two (tagged tasks)
  active   :active,    T2, 2023-09-12,   2d
  critical :crit,      T3, after T2,     1d

gantt
  %% custom date format not consistently supported
  %% dateFormat  DD-MM-YYYY
  axisFormat %d-%b-%Y
  title Enabling
  excludes weekends saturday,sunday
 
  section Section One
  done     :done,      2023-09-10,   5d
  active   :active,    5d
  planned  :           2023-09-20,   3d
 
  section Section Two (tagged tasks)
  active   :active,    T2, 2023-09-12,   2d
  critical :crit,      T3, after T2,     1d

graph TD
  subgraph k8s["Kubernetes"]
    subgraph services
      ingress
    end
    subgraph pods
      containers
    end
    persist[(persist)]
  end

browser["🌐 Browser"] -->
ingress -->
containers -->
persist

classDef green fill:#90EE90
class ingress green

classDef blue fill:#007FFF
class containers blue

classDef dashed stroke-dasharray: 5, 5
class services dashed

classDef dotted stroke-dasharray: 2, 2
class pods dotted

graph TD
  subgraph k8s["Kubernetes"]
    subgraph services
      ingress
    end
    subgraph pods
      containers
    end
    persist[(persist)]
  end

browser["🌐 Browser"] -->
ingress -->
containers -->
persist

classDef green fill:#90EE90
class ingress green

classDef blue fill:#007FFF
class containers blue

classDef dashed stroke-dasharray: 5, 5
class services dashed

classDef dotted stroke-dasharray: 2, 2
class pods dotted