Firestore Data Model Firestore database model for kanban boards and backend security rules.

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Model the data in Firestore for the Kanban feature.

Learn more about Data Modeling in Firestore.

Data Model

file_type_ng_component_ts board.model.ts
export interface Board {
    id?: string;
    title?: string;
    priority?: number;
    tasks?: Task[];

export interface Task {
    description?: string;
    label?: 'purple' | 'blue' | 'green' | 'yellow' | 'red' | 'gray';

Firestore Security Rules

file_type_firebase firebase rules
rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /boards/{document} {
      allow read;
      allow create: if requestMatchesUID();
      allow update: if resourceMatchesUID() && requestMatchesUID();
      allow delete: if resourceMatchesUID(); 
    function requestMatchesUID() {
        return request.auth.uid ==;

    function resourceMatchesUID() {
        return request.auth.uid ==;

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