Commerce application architecture
Online storefront checkout
Keep browse, checkout, payment and order updates separate.
Architecture example library
100 original problem patterns. 10,000 configurable reference variants. Explore a design, download its source, or create a private copy to customize.
Variants combine a problem pattern, deployment context and design concern. They are generated reference compositions, not independently audited production systems. Original library source is MIT licensed.
1,000 public template files
Commerce application architecture
Keep browse, checkout, payment and order updates separate.
Commerce application architecture
Prevent two checkouts from reserving the same remaining stock.
Commerce application architecture
Track a return request through authorization, inspection and refund review.
Commerce application architecture
Separate seller catalog changes from buyer orders and payout reconciliation.
Commerce application architecture
Keep billing events and application access aligned without trusting browser redirects.
Commerce application architecture
Coordinate picking, packing and shipment status across operational systems.
Commerce application architecture
Explain how base prices, promotions and eligibility become a checkout quote.
Commerce application architecture
Keep recommendation serving independent of slower model and catalog updates.
Commerce application architecture
Make earning and spending points traceable and resistant to duplicate events.
Commerce application architecture
Schedule recovery messages without contacting customers after an order is completed.
Financial workflow architecture
Compare provider settlements against internal transactions and surface unmatched records.
Financial workflow architecture
Route expense claims through policy checks and human approval before reimbursement.
Original Drawarc examples include editable Mermaid and project files. For third-party GitHub source, review its upstream license before reuse. Importing never publishes someone else’s source into this gallery.
Source library & repository instructions