| 0001 |
Record architecture decisions |
Accepted |
| 0002 |
Define "one billion events" as cumulative throughput |
Accepted |
| 0003 |
Layered, portable provisioning with environment profiles |
Accepted |
| 0004 |
Use kind as the local substrate with a two-node dev profile |
Accepted |
| 0005 |
Design Proxmox + Talos Linux as the second substrate |
Accepted |
| 0006 |
Use OpenTofu for infrastructure as code |
Accepted |
| 0007 |
Use Argo CD (app-of-apps) for GitOps |
Superseded by 0030 (pattern only; Argo CD remains the GitOps controller) |
| 0008 |
Run Kafka with Strimzi in KRaft mode |
Accepted |
| 0009 |
Write services in Go with franz-go |
Accepted |
| 0010 |
Use ClickHouse (Altinity operator) as the analytical sink |
Accepted |
| 0011 |
Use Valkey for deduplication and last-price cache |
Accepted |
| 0012 |
Use Apicurio Registry for event schemas |
Accepted |
| 0013 |
Use Kyverno for policy as code |
Accepted |
| 0014 |
Expose services with Gateway API (Envoy Gateway) and cloud-provider-kind |
Accepted |
| 0015 |
Use kube-prometheus-stack for metrics and dashboards |
Accepted |
| 0016 |
Use Kafbat UI for Kafka inspection |
Accepted |
| 0017 |
Test at four layers: application, infrastructure, load, chaos |
Accepted |
| 0018 |
Use GitHub Actions for CI |
Accepted |
| 0019 |
Treat financial regulations as reference frameworks for controls |
Accepted |
| 0020 |
Enforce repository hygiene with pre-commit, gitleaks and Conventional Commits |
Accepted |
| 0021 |
Model a MiFID II-style regulated equity market |
Accepted |
| 0022 |
Build a deterministic price-time priority matching engine on Kafka |
Accepted |
| 0023 |
Present the repository as a learning project and separate learning notes from operational docs |
Accepted |
| 0024 |
Protect main with a ruleset and pin all third-party code by commit SHA |
Accepted |
| 0025 |
Store IaC state in out-of-cluster SeaweedFS with locking, versioning and encryption |
Accepted |
| 0026 |
Keep a single secret zero in the OS keychain; generate all other secrets |
Accepted |
| 0027 |
Organise the repository by layer and select profiles explicitly |
Accepted |
| 0028 |
Use Cilium as the CNI on every substrate, installed with bootstrap-and-adopt |
Accepted |
| 0029 |
Pin Kubernetes through the kind provider, by image digest |
Accepted |
| 0030 |
Generate Argo CD Applications with ApplicationSets; OpenTofu owns only the root |
Accepted |
| 0031 |
Manage repository settings and branch protection as code |
Accepted |
| 0032 |
Implement the Proxmox + Talos substrate behind the same output contract |
Accepted |