🚚 Logistics & Supply Chain · C4 Architecture · Pro
Warehouse Management System Architecture
A warehouse management system (WMS) with handheld scanners, putaway and picking services, and links to the ERP and carriers.
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Drawing diagram…
What this diagram shows
- Handheld scanners drive every receive, putaway and pick
- Picking waves are planned from ERP sales orders
- Carrier labels are printed as packing completes
Prompt used
Warehouse management system architecture: warehouse staff use Android handheld scanners and supervisors a web console. Services: inbound receiving and putaway, inventory with bin locations, wave planning and picking, packing and shipping. Sales orders come from the ERP (SAP), shipping labels and manifests go to carrier APIs. Data in PostgreSQL, events on Kafka.
Mermaid code
C4Container
title Warehouse Management System
Person(staff, "Warehouse Staff", "Receive, pick, pack")
Person(sup, "Supervisor", "Plans waves")
System_Ext(erp, "ERP (SAP)", "Purchase and sales orders")
System_Ext(carrier, "Carrier APIs", "Labels and manifests")
System_Boundary(wms, "WMS") {
Container(hh, "Handheld App", "Android", "Scan and confirm tasks")
Container(console, "Supervisor Console", "React", "Waves and dashboards")
Container(inbound, "Inbound and Putaway", "Java", "Receiving and bin moves")
Container(inv, "Inventory Service", "Java", "Stock by bin")
Container(pick, "Wave and Picking", "Java", "Pick lists and routes")
Container(ship, "Packing and Shipping", "Node.js", "Cartons and labels")
ContainerDb(db, "WMS DB", "PostgreSQL", "Stock and tasks")
}
Rel(staff, hh, "Uses")
Rel(sup, console, "Uses")
Rel(erp, inbound, "Purchase orders")
Rel(erp, pick, "Sales orders")
Rel(hh, inbound, "Scans receipts")
Rel(hh, pick, "Confirms picks")
Rel(inbound, inv, "Adds stock")
Rel(pick, inv, "Reserves stock")
Rel(pick, ship, "Picked orders")
Rel(ship, carrier, "Books shipments")
Rel(inv, db, "Reads/writes")Related templates
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