Nondeterministic Postrequisite Metaprotocol


    3.0.55-RC8 • Public • Published

    npm version

    Chat21 is the core of the open source live chat platform


    With Chat21-ionic you can:

    • Send a direct message to a user (one to one message)
    • View the messages history
    • The read receipts feature allows your users to see when a message has been sent, delivered and read
    • Conversations list view with the last messages sent (like Whatsapp)
    • With the Presense Manager you can view when a user is online or offline and the inactivity period
    • Responsive design (desktop and mobile)
    • View the user profile with fullname and email
    • Login with email and password (Use firebase email and password authentication method )
    • Signup with fullname, email, password and profile picture
    • Contacts list view with fulltext search for fullname field

    Live Demo

    Visit to see a live demo of chat21-ionic.

    A screenshot of chat21-ionic demo

    A screenshot of chat21-ionic demo


    In progress git


    • Install nodejs:
    • Install Ionic CLI: npm install -g ionic
    • Install Cordova : npm install -g cordova@7.0.1
    • A Firebase project. Create one free on
    • "Chat21 Firebase cloud functions" installed. Instructions:


    • Install the latest stable release. Check on Github page the last release under the Releases tab and then run
    • git clone --branch <LATEST-RELEASE-VERSION>
    • cd chat21-ionic
    • Build running: npm install



    • Configure the file environment.ts in src/environments folder:

      export const environment = {
          supportMode: false,
          production: false,
          remoteConfig: true,
          remoteConfigUrl: '/chat-config.json',
          chatEngine: "mqtt", // OR YOUR CUSTOM CHAT ENGINE
          updloaEngine: "native", // OR YOUR CUSTOM UPLOAD ENGINE
          pushEngine:"none", // OR YOUR CUSTOM PUSH ENGINE
          firebaseConfig: {
              apiKey: '123ABC..',
              authDomain: '',
              databaseURL: '',
              projectId: 'XYZ',
              storageBucket: '',
              messagingSenderId: '123456',
              appId: 'CHANGEIT',
           chat21Config: {
              "appId": "tilechat",
              "MQTTendpoint": "mqtt://<YOUR-MQTT-ENPOINT>",
              "APIendpoint": "http://<YOUR-MQTT-API-ENPOINT>"
          "apiUrl": "https://<YOUR-TILEDESK-API-URL>",
          "baseImageUrl": "https://<YOUR-BASE-IMAGE-URL>",
          "dashboardUrl": "https://<YOUR-DASHBOARD-URL>"
    • logLevel: The Chat21-ionic supports 4 log levels. The order is as follows: Error < Warn < Info < Debug

    • fileUploadAccept: The Chat21-ionic allows you to manage the type of files that can be uploaded. By default, all file types are accepted.

    Push notification

    (Optional) Authenticate with email password

    • Config Firebase auth In the Firebase Console open the Authentication section > SIGN IN METHOD tab you need to enable the Email/password Sign-in Provider and click SAVE. This will allow users to sign-in the Web app with their Email

    Run App on Browser

    • Now you will need to serve the app. Run: ionic serve in the terminal.

    Add browser platform and build it

    • Run: cordova platform add browser@latest
    • Run: ionic cordova build browser


    Deploy on a Web Server (Apache or Nginx)

    Copy the content of the directory platforms/browser/www to your WebServer public dir.

    Deploy on Firebase hosting

    • Install the Firebase CLI. run: npm install -g firebase-tools
    • Run: firebase login (these steps can be avoided if you have already done before)
    • Change directories in the terminal to your desired project directory(run: cd platforms/browser) and run: firebase init
      • select hosting (press Spacebar to select) and press return
      • select your project and press return
      • answer the following questions:
        • "what do you want to use as your public directory?" www and press return
        • "configure as a single-page app?" N and press return
        • "file www/index.html alredy exists. Overwrite?" N and press return
    • Run: firebase deploy
    • In your firebase consol click hosting and click on link your project More info here

    Run on Android

    • Run on simulator : ionic cordova run android
    • Run on device : ionic cordova run android --device

    Run on iOS

    • Run on simulator : ionic cordova run ios
    • Run on device : ionic cordova run ios --device

    Run with docker

    To run Chat21-ionic on port 8080 run:

    curl --output .env
    nano .env #configure .env file properly
    docker run -p 8080:80 --env-file .env chat21/chat21-ionic

    Branding with Docker

    If you want to customize logos and assets you can mount a docker volume and attach it to the assets folder. After that you can override the assets files into the docker volume.


    docker run -p 8080:80 --env-file .env --mount source=chat21-ionic-assets-vol,destination=/usr/share/nginx/html/assets  chat21/chat21-ionic


    To auto login pass the JWT token as a query parameter of your Chat url as in the following example:





    npm i @chat21/chat21-ionic

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