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.chartlet-seq-box{stroke-width:3}.chartlet-wrapper:has(#chartlet-b63b8eaf45596a97-focus-6:checked) #chartlet-b63b8eaf45596a97 .chartlet-f-6{opacity:1}.chartlet-wrapper:has(#chartlet-b63b8eaf45596a97-focus-6:checked) #chartlet-b63b8eaf45596a97 .chartlet-n-6 .chartlet-flow-node,.chartlet-wrapper:has(#chartlet-b63b8eaf45596a97-focus-6:checked) #chartlet-b63b8eaf45596a97 .chartlet-n-6 .chartlet-seq-box{stroke-width:3}</style><details class="chartlet-focus"><summary>Focus</summary><fieldset><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" checked> Show all</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-0"> Ingress (ingress-prod)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-1"> Booking API (api-1)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-2"> Booking API (api-2)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-3"> Worker (worker-1)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-4"> Job queue (jobs-prod)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-5"> Bookings (db-prod)</label><label><input type="radio" name="chartlet-b63b8eaf45596a97-focus" class="chartlet-focus-node" id="chartlet-b63b8eaf45596a97-focus-6"> Certificates (files-prod)</label></fieldset></details><figure class="chartlet-figure" data-viz="chart"><figcaption>Course booking in production</figcaption><div class="chartlet-stage"><svg xmlns="http://www.w3.org/2000/svg" width="800" height="1000" viewBox="0 0 800 1000" id="chartlet-b63b8eaf45596a97" role="img" aria-labelledby="chartlet-b63b8eaf45596a97-title chartlet-b63b8eaf45596a97-description" class="chartlet-root"><title id="chartlet-b63b8eaf45596a97-title">Course booking in production</title><desc id="chartlet-b63b8eaf45596a97-description">Architecture diagram with 7 components and 9 connections in 5 boundaries. It shows the environment Production: 7 instances of 6 components of the model; only the connections listed for the instances are drawn. Cloud region: Job queue (jobs-prod), Bookings (db-prod), Certificates (files-prod), Container cluster. Container cluster (in Cloud region): Ingress (ingress-prod), Node A, Node B, Node pool: workers. Node A (in Container cluster): Booking API (api-1). Node B (in Container cluster): Booking API (api-2). Node pool: workers (in Container cluster): Worker (worker-1). Nothing leads into Ingress (ingress-prod). Nothing leads out of Bookings (db-prod) and Certificates (files-prod). Ingress (ingress-prod) (service): connects to Booking API (api-1) (routes, via HTTP) and Booking API (api-2) (routes, via HTTP). Booking API (api-1) (artifact): connects to Bookings (db-prod) (reads, writes, via SQL/TLS) and Job queue (jobs-prod) (queues jobs). Booking API (api-2) (artifact): connects to Bookings (db-prod) (reads, writes, via SQL/TLS) and Job queue (jobs-prod) (queues jobs). Job queue (jobs-prod) (queue): connects to Worker (worker-1) (delivers). Worker (worker-1) (artifact): connects to Certificates (files-prod) (stores certificates) and Bookings (db-prod) (updates, via SQL/TLS). Bookings (db-prod) (database): no outgoing connection. 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299.353,912.67 281.268,912.17 261.861,912 242.453,912.17 224.368,912.67 208.838,913.464 196.922,914.5 189.431,915.706 186.876,917 186.876,917" class="chartlet-flow-node chartlet-role-teal"><title>Bookings (db-prod) – managed database</title></polyline><polyline points="186.876,917 189.431,918.294 196.922,919.5 208.838,920.536 224.368,921.33 242.453,921.83 261.861,922 281.268,921.83 299.353,921.33 314.883,920.536 326.8,919.5 334.291,918.294 336.846,917" class="chartlet-diagram-rim"/><text x="261.861" y="942.5" text-anchor="middle" class="chartlet-flow-label">Bookings (db-prod)</text><text x="261.861" y="956.5" text-anchor="middle" class="chartlet-flow-sublabel">managed database</text></g><g class="chartlet-f chartlet-n-6 chartlet-f-3 chartlet-f-6"><polyline points="364.846,917.5 571.636,917.5 563.636,971.5 372.846,971.5 364.846,917.5" class="chartlet-diagram-shadow"/><polyline points="364.846,915 571.636,915 563.636,969 372.846,969 364.846,915" class="chartlet-flow-node chartlet-role-teal"><title>Certificates (files-prod) – object storage</title></polyline><text x="468.241" y="939.5" text-anchor="middle" class="chartlet-flow-label">Certificates (files-prod)</text><text x="468.241" y="953.5" text-anchor="middle" class="chartlet-flow-sublabel">object storage</text></g></svg><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-0" for="chartlet-b63b8eaf45596a97-focus-0"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-1" for="chartlet-b63b8eaf45596a97-focus-1"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-2" for="chartlet-b63b8eaf45596a97-focus-2"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-3" for="chartlet-b63b8eaf45596a97-focus-3"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-4" for="chartlet-b63b8eaf45596a97-focus-4"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-5" for="chartlet-b63b8eaf45596a97-focus-5"></label><label class="chartlet-hotspot" id="chartlet-b63b8eaf45596a97-hs-6" for="chartlet-b63b8eaf45596a97-focus-6"></label></div><details class="chartlet-data" data-viz-text><summary>Show chart data</summary><table><caption>Data for Course booking in production</caption><thead><tr><th scope="col">Instance</th><th scope="col">Kind</th><th scope="col">Boundary</th><th scope="col">Connects to</th></tr></thead><tbody><tr><th scope="row">Ingress (ingress-prod)</th><td>service</td><td>Cloud region › Container cluster</td><td>Booking API (api-1) (routes, via HTTP), Booking API (api-2) (routes, via HTTP)</td></tr><tr><th scope="row">Booking API (api-1)</th><td>artifact</td><td>Cloud region › Container cluster › Node A</td><td>Bookings (db-prod) (reads, writes, via SQL/TLS), Job queue (jobs-prod) (queues jobs)</td></tr><tr><th scope="row">Booking API (api-2)</th><td>artifact</td><td>Cloud region › Container cluster › Node B</td><td>Bookings (db-prod) (reads, writes, via SQL/TLS), Job queue (jobs-prod) (queues jobs)</td></tr><tr><th scope="row">Job queue (jobs-prod)</th><td>queue</td><td>Cloud region</td><td>Worker (worker-1) (delivers)</td></tr><tr><th scope="row">Worker (worker-1)</th><td>artifact</td><td>Cloud region › Container cluster › Node pool: workers</td><td>Certificates (files-prod) (stores certificates), Bookings (db-prod) (updates, via SQL/TLS)</td></tr><tr><th scope="row">Bookings (db-prod)</th><td>database</td><td>Cloud region</td><td></td></tr><tr><th scope="row">Certificates (files-prod)</th><td>storage</td><td>Cloud region</td><td></td></tr></tbody></table></details></figure></div>