artsite/models/schema-subscribe.js

var Schema = require('mongoose').Schema;

const subscribeSchema = new Schema({
    email: {
        type: String,
        required: true,
        unique: true,
        lowercase: true,
        trim: true
    },
    subscribedAt: {
        type: Date,
        default: Date.now
    }
});

module.exports = subscribeSchema;