Answers for "(node:29020) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead"

collection.ensureIndex is deprecated

mongoose.connect(dbURI, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    useCreateIndex: true,
    useFindAndModify: true,
})

(node:14800) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead. (Use `node --trace-deprecation ...` to show where the warning was created)

mongoose
  .connect(process.env.DB_CONNECTION, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
    dbName: "business",
    useCreateIndex: true
  })