# delsner/python-flask-angular-starter architecture

> Architecture diagram of the GitHub repository delsner/python-flask-angular-starter, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-30). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/delsner/python-flask-angular-starter
- Repository: https://github.com/delsner/python-flask-angular-starter

## Overview

This is a Flask/Angular starter application demonstrating a board-management workflow: a user opens the Home page, views boards, and creates a board; the Angular service sends API requests to Flask, which reads or writes MongoDB. The graph includes the documented frontend proxy and production Nginx entry, but their exact runtime routing is not shown in the excerpts. The backend excerpt exposes list, single-board, and create endpoints; the sampled Home component uses list and create, not single-board retrieval.

Main entry points: [`frontend/src/app/app.module.ts`](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.module.ts) (App module), [`frontend/src/app/pages/home/home.component.ts`](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/pages/home/home.component.ts) (Home page), [`frontend/src/app/shared/board.service.ts`](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/board.service.ts) (Board service), [`frontend/src/app/app.routes.ts`](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.routes.ts) (Page routes)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_ui["Angular interface"]
  node_bootstrap["Angular bootstrap<br/>[main.ts]"]
  node_appmodule["App module<br/>[app.module.ts]"]
  node_shell["App shell<br/>[app.component.ts]"]
  node_routes["Page routes<br/>[app.routes.ts]"]
  node_home["Home page<br/>[home.component.ts]"]
  node_shared["Shared module<br/>[shared.module.ts]"]
  node_service["Board service<br/>[board.service.ts]"]
  node_board["Board model<br/>[board.type.ts]"]
end

subgraph group_api["Board API and data"]
  node_flask["Flask API<br/>[app.py]"]
  node_mongo[("MongoDB board store")]
end

subgraph group_delivery["Web entry and configuration"]
  node_proxy["Frontend proxy<br/>[proxy.conf.json]"]
  node_nginx["Nginx entry<br/>[nginx.conf]"]
end

node_user(("User"))

node_user -->|"uses"| node_home
node_bootstrap -->|"bootstraps"| node_appmodule
node_appmodule -->|"bootstraps"| node_shell
node_appmodule -->|"registers"| node_routes
node_appmodule -->|"declares"| node_home
node_appmodule -->|"imports"| node_shared
node_shell -->|"reads"| node_routes
node_routes -->|"routes to"| node_home
node_home -->|"requests boards"| node_service
node_home -->|"uses"| node_board
node_service -->|"types data"| node_board
node_service -.->|"sends API requests"| node_proxy
node_proxy -.->|"forwards API"| node_flask
node_nginx -.->|"serves alongside"| node_flask
node_flask -->|"reads and writes"| node_mongo

click node_bootstrap "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/main.ts"
click node_appmodule "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.module.ts"
click node_shell "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.component.ts"
click node_routes "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.routes.ts"
click node_home "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/pages/home/home.component.ts"
click node_shared "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/shared.module.ts"
click node_service "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/board.service.ts"
click node_board "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/board.type.ts"
click node_proxy "https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/proxy.conf.json"
click node_nginx "https://github.com/delsner/python-flask-angular-starter/blob/master/nginx.conf"
click node_flask "https://github.com/delsner/python-flask-angular-starter/blob/master/backend/app.py"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_bootstrap,node_appmodule,node_shell,node_routes,node_home,node_shared,node_service,node_board,node_user toneBlue
class node_flask,node_mongo toneAmber
class node_proxy,node_nginx toneMint
```

## Components

### Angular interface

- [Angular bootstrap](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/main.ts): `frontend/src/main.ts`
- [App module](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.module.ts): `frontend/src/app/app.module.ts`
- [App shell](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.component.ts): `frontend/src/app/app.component.ts`
- [Page routes](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/app.routes.ts): `frontend/src/app/app.routes.ts`
- [Home page](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/pages/home/home.component.ts): `frontend/src/app/pages/home/home.component.ts`
- [Shared module](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/shared.module.ts): `frontend/src/app/shared/shared.module.ts`
- [Board service](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/board.service.ts): `frontend/src/app/shared/board.service.ts`
- [Board model](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/src/app/shared/board.type.ts): `frontend/src/app/shared/board.type.ts`

### Board API and data

- [Flask API](https://github.com/delsner/python-flask-angular-starter/blob/master/backend/app.py): `backend/app.py`
- **MongoDB board store**

### Web entry and configuration

- [Frontend proxy](https://github.com/delsner/python-flask-angular-starter/blob/master/frontend/proxy.conf.json): `frontend/proxy.conf.json`
- [Nginx entry](https://github.com/delsner/python-flask-angular-starter/blob/master/nginx.conf): `nginx.conf`

### Other components

- **User**

## Connections

- User → Home page: uses (evidence: `README.md`)
- Angular bootstrap → App module: bootstraps (evidence: `frontend/src/main.ts`)
- App module → App shell: bootstraps (evidence: `frontend/src/app/app.module.ts`)
- App module → Page routes: registers (evidence: `frontend/src/app/app.module.ts`)
- App module → Home page: declares (evidence: `frontend/src/app/app.module.ts`)
- App module → Shared module: imports (evidence: `frontend/src/app/app.module.ts`)
- App shell → Page routes: reads (evidence: `frontend/src/app/app.component.ts`)
- Page routes → Home page: routes to (evidence: `frontend/src/app/app.routes.ts`)
- Home page → Board service: requests boards (evidence: `frontend/src/app/pages/home/home.component.ts`)
- Home page → Board model: uses (evidence: `frontend/src/app/pages/home/home.component.ts`)
- Board service → Board model: types data (evidence: `frontend/src/app/shared/board.service.ts`)
- Board service → Frontend proxy: sends API requests (evidence: `README.md`)
- Frontend proxy → Flask API: forwards API (evidence: `README.md`)
- Nginx entry → Flask API: serves alongside (evidence: `README.md`)
- Flask API → MongoDB board store: reads and writes (evidence: `backend/app.py`)