chat-app | It 's built on express

i'm trying to install Agora video chat template on my VS code , i've deploy the back end it to Heroku and download the source code from Agora and install it on my npm window , when i run the command npm start , it installs only the back end directory and ignore the front end , and this is the error message i got :

I was following this tutorial and I was installing the dependencies but when I was installing "chat" it raised this error:

I am trying to integrate Twilio into React using the documentation: https://www.twilio.com/blog/build-a-custom-video-chat-app-with-react-and-twilio-programmable-video

As mentioned in the document I cloned the GIT Repo and tried installing it.

I'm able to add a message to firestore when I clicked the send button in the chatroom, but the recyclerview doesn't update in realtime so the new message doesn't appear. The message does appear when I reopen the chatroom which isn't best pratice. Normally FirestoreRecyclerAdapter should automatically updated the query when changes are made and update the recyclerview. I'm working in Android Studio with Java and using fragments instead of activities.

ChatRoomFragment:

I want to have a Chat-like simple UI where the chats can scroll & 2 buttons are at the end.

Currently, it looks like:

Full reproduction → https://play.tailwindcss.com/mKgRCKKVBq

The code looks like:

I have been following this tutorial to build a chat application.

I have been facing WebSocket connection to 'ws://127.0.0.1:8000/ws/lobby/' failed: Error during WebSocket handshake: Unexpected response code: 500 error. I checked other solutions too but they don't seem to work.

The console displays the error at (room.html)

Hi guys and excuse me for my English. I'm using docker swarm, when I attempt to deploy docker application with this command

docker stack deploy -c docker-compose.yml -c docker-compose.prod.yml chatappapi

it shows the next error : services.chat-app-api Additional property pull_policy is not allowed

why this happens? how do I solve this?

docker-compose.yml

it's very likely that I've done an obvious mistake but I can't find it, even after many hours of research.

Let me tell briefly you what I've done:

1. npm install firebase --save
2. import firebase from "firebase";
3. firebase.initializeApp({ ... });

After compiling the following error message is shown: Module not found: Can't resolve 'firebase' in '/Users/luisgaspar/Desktop/Coding/React-Learning/chat-app-1/src'

Do you have suggestions on where my mistake could be?

I'm making chat-app. If i click chat-room , i want to change all chat [{ ..., read: false => ..., read:true }]