![]() ![]() This will be nightmare if it spreads to everyone's else's devices. What if they install the latest version of MongoDB (6.0)? That will lead to some conflicts. If a new member joins your team, they'll need to set up the same version with the exact configuration manually. Let's say that there are a group of people working on your team on MongoDB version 5.0. Why Do We Need Docker Database?ĭocker helps us maintain consistent versions across platforms and environments. It has all the dependencies by default in the particular image file. Yes, you can use Docker as a database host. Want to know a secret? You can work on back-end development without installing the database on your machine locally. For example, databases like MySQL/Postgres to handle relational data and Cassandra/MongoDB to handle unstructured data. If you've had experience with backend development, you might have had a chance to handle multiple databases. How Docker Compose works with an example (NodeJS and MongoDB).How to use docker as a Database host (MongoDB).We'll split this tutorial into 2 sections: Learning about MongoDB at the beginning will give you a good understanding for when we move to Docker Compose. In the example part of this tutorial, we'll spin up a NodeJS container and MongoDB container together. Before learning about Docker Compose, let's quickly learn how to start a database host in Docker. To overcome this, Docker introduced a concept called Multi Containers (Docker Compose). But, not just once – every day, every time you start working on your project – you have to start all these services. It would be good if it's a one time process. At some point, one process may depend on another to run. In such case, you have to pull all those images individually from Docker and start all of them in their containers. ![]() For example, let's say your project requires Java 8, Node 14, MySQL, MongoDB, Ruby on rails, RabbitMQ, and others. It only takes a couple of minutes to go through the entire process.īut let's assume you were assigned on a project which requires at least 10 different services in a running state to run your project. Docker helps you setup a development environment on your machine quickly. ![]()
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