Can you use mongoose and MongoDB together?
Yes, we’re actually using multiple drivers, in a production application. We need connections to multiple databases, and mongoose is only able to connect to one DB. So we use MongoDB for the connections to the secondary databases. It should be the same using MongoJS instead.
How do I run MongoDB migrations?
Table of Contents
- This is why you need a migration tool for MongoDB.
- Use Cases.
- Using the migration tool. Initial setup. Migration tool configuration. Migrations folder. Adding migrations. Up function. Down function.
- Run migrations automatically after each deploy to the cloud. Heroku. Digital Ocean.
- Conclusion.
- Example repository.
Does MongoDB have migrations?
The Live Migration Service is a free service that we host and operate to make it simple to migrate your database to MongoDB Atlas. This service works by making an initial copy of the data from your source database, and watching for any changes so that it stays in sync until you are ready to cut over.
Can we connect to MongoDB without mongoose?
Yes, of course, drivers provide many advantages to make our lives easy. But to keep things simple and lightweight we can use only MongoDB for CRUD operation without a mongoose. What about validation? Don’t worry, packages like sanitize-html can be used in MongoDB to validate data before storing to a database.
Can we use mongoose without schema?
Since it is a schema-less type, you can change the value to anything else you like, but Mongoose loses the ability to auto detect and save those changes.
Do you need a migration tool for MongoDB?
This is why you need a migration tool for MongoDB. We know that mongo is a non-relational database schema-free database, but in most of the projects, we tend to use it with Mongoose, a popular ODM for MongoDB which allows us to add Schema to our collections.
What do you need to know about database schema migrations?
Database Schema Migration is the process of updating a Collection Schema and/or adapting the existing data for new requirements. The objective of this post is to learn about the different ways a migration tool can help us to write scripts that modify your database by adding new documents, modifying existing ones, or changing the collection schema.
Do you have to deal with database migrations?
As a software developer at some point, you might have to deal with database migrations in one way or another. As software or applications evolve and improve over the time, your database must as well. And we have to make sure data remains consistent throughout the application.
Where do I run the migrate tool in D.O?
On D.O things vary depending on your setup, but what we aim is to execute the migrate tool after the node.js dependencies installation process, but before starting up the node.js application. For example, here is a bash script that can be executed by login-in through ssh into the digital ocean droplet.