(node:4) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead. code example
Example 1: (node:3168) DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead. (Use `node --trace-deprecation ...` to show where the warning was created)
mongoose.set('useCreateIndex', true);
Example 2: (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
})