Appy Pie : How to set up Firebase database for enabling chat in Chat Room?
Follow below mentioned steps to easily setup Firebase database and enable chat in Chat Room :
Step 1 : Go to Firebase
Step 2 : If you have a Firebase account, Signin, else Signup
Step 3 : Click on Get Started 
Step 4 : Click on Create a Project
Step 5 : Enter your project name 
Step 6 : Click on Continue
Step 7 : Enable Google Analytics for your project and click on Continue
Step 8 : Open Configure Google Analytics dropdown menu
Step 9 : Select the Default Account for Firebase from the dropdown menu or create a new account
Step 10 : Click on Create Project.
Step 11 : Click on Continue
Step 12 : Click on Add Firebase to your web app 
Step 13 : Enter App nickname 
Step 14 : Click on Register app
Step 15 : Click on Continue to Console
Step 16 : Click on Build menu
Step 17 : The Build dropdown menu will open on the left hand side panel, click on Authentication
Step 18 : Click on Get Started
Step 19 : Click on Anonymous 
Step 20 : Enable Anonymous 
Step 21 : Once done, click on Save button 
Step 22 : In build menu on the left hand side panel, click on Realtime databas
Step 23 : Click on Create database 
Step 24 : Select Realtime database location by click on dropdown menu and after select click on next 
Step 25 : Click on Enable 
Step 26 : Click on Rules 
Step 27 : Delete the entire code 
Step 28 : Now enter the following code, and click on Publish
Step 29 : Click on cog icon
Step 35 : Here is your Storage Bucket URL. Exclude gs:// and copy the remaining part of the URL, and click on Rule
Step 36 : Delete the entire code 
Step 37 : Now enter the following code, and click on Publish
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
