Step 1: Get files from the source zip

Step 2: Get serviceAccountKey.json from firbase configuration

link:https://clemfournier.medium.com/how-to-get-my-firebase-service-account-key-file-f0ec97a21620

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Step 3: npm install

Step 4: run command: “node import-user.js”

You can see proccess of import users in firstore.(Note: Do not close terminal on runing process.)

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