schema_version: 1
diagram_type: architecture
meta:
  title: Containers
  output: containers.html
decisions: [postgres-as-source-of-truth]
components:
  - ref: customer
    pos: [40, 160]
    size: [130, 60]
  - ref: web
    pos: [250, 160]
    size: [130, 60]
  - ref: api
    pos: [460, 160]
    size: [130, 60]
  - ref: cache
    pos: [670, 60]
    size: [130, 60]
  - ref: db
    pos: [670, 260]
    size: [130, 60]
  - ref: queue
    pos: [460, 360]
    size: [130, 60]
    decisions: [queue-between-api-and-worker]
  - ref: worker
    pos: [670, 460]
    size: [130, 60]
boundaries:
  - kind: region
    label: Online Shop
    wraps: [web, api, cache, db, queue, worker]
connections:
  - { from: customer, to: web, label: HTTPS, variant: emphasis }
  - { from: web, to: api, label: JSON }
  - { from: api, to: cache, label: read }
  - { from: api, to: db, label: SQL }
  - { from: api, to: queue, label: enqueue, labelAt: [560, 290], decisions: [queue-between-api-and-worker] }
  - { from: queue, to: worker, label: poll }
  - { from: worker, to: db, label: SQL, labelAt: [735, 420] }