Add initial Helm chart for FleetDM Stack with MySQL and Redis, including README, CI pipeline, and architecture documentation. Update .gitignore for local development files.

2026-02-19 16:25:44 +00:00
parent 4299febec3
commit cd358ce28a
6 changed files with 512 additions and 7 deletions
@@ -0,0 +1,85 @@
+# High-Level Architecture Diagram: Company Inc.
+
+Use this as reference when creating your diagram in [draw.io](https://draw.io) or [Lucidchart](https://lucidchart.com).
+
+## Mermaid Source (for Git-rendered diagrams)
+
+```mermaid
+flowchart TB
+    subgraph Internet["Internet"]
+        Users[Users]
+    end
+
+    subgraph GCP["GCP"]
+        subgraph Projects["Projects"]
+            Prod[company-inc-prod]
+            Staging[company-inc-staging]
+            Shared[company-inc-shared]
+        end
+
+        subgraph Networking["Network"]
+            LB[Cloud Load Balancer<br/>HTTPS]
+            CDN[Cloud CDN<br/>Static Assets]
+            VPC[VPC - Private Subnets]
+        end
+
+        subgraph GKE["GKE Cluster (Private)"]
+            Ingress[Ingress Controller]
+            subgraph Workloads["Workloads"]
+                API[Backend - Python/Flask<br/>HPA 2-3 replicas]
+                SPA[Frontend - React SPA<br/>Nginx]
+            end
+            Redis[Redis - Memorystore]
+        end
+
+        subgraph Data["Data & Services"]
+            Mongo[(MongoDB Atlas<br/>Replica Set)]
+            Secrets[Secret Manager]
+            Registry[Artifact Registry]
+        end
+    end
+
+    Users --> LB
+    Users --> CDN
+    LB --> Ingress
+    Ingress --> API
+    Ingress --> SPA
+    CDN --> SPA
+    API --> Mongo
+    API --> Redis
+    API --> Secrets
+    GKE --> Registry
+```
+
+## Draw.io / Lucidchart Layout Guide
+
+### Top Row (External)
+- **Users** → Internet
+
+### Second Row (Edge)
+- **Cloud Load Balancer** (HTTPS)
+- **Cloud CDN** (for SPA static assets)
+
+### Third Row (GKE)
+- **GKE Cluster** (Private)
+  - Ingress Controller
+  - Backend (Flask) — 2–3 replicas, HPA
+  - Frontend (React SPA)
+  - Redis (Memorystore)
+
+### Fourth Row (Data)
+- **MongoDB Atlas** (Replica Set, private endpoint)
+- **Secret Manager**
+- **Artifact Registry**
+
+### Connections
+1. Users → LB, Users → CDN
+2. LB → Ingress → Backend + Frontend
+3. Backend → MongoDB, Redis, Secret Manager
+4. GKE → Artifact Registry (image pulls)
+
+### Colors (suggested)
+- External: Light blue
+- GCP managed: Light green
+- Workloads: Light yellow
+- Data: Light orange