Docker is a popular platform for developers to build, ship, and run applications in containers. MongoDB, on the other hand, is a popular NoSQL database management system used by many companies worldwide. Combining the two can provide developers with a more efficient and flexible way to deploy their applications. In this article, we will go through step-by-step instructions on how to deploy MongoDB on Docker.
Prerequisites
Before we begin, ensure that you have the following prerequisites:- Docker installed on your machine
- Basic knowledge of Docker commands
Step 1: Pull the MongoDB image from Docker Hub
The first step in deploying MongoDB on Docker is to pull the MongoDB image from Docker Hub. To do this, open a terminal window and run the following command:
docker pull mongo
This will download the latest MongoDB image from Docker Hub.
Step 2: Create a Docker network
To allow containers to communicate with each other, we need to create a Docker network. To do this, run the following command:
docker network create mongo-net
This will create a new Docker network called mongo-net.
Step 3: Start the MongoDB container
Now that we have the MongoDB image and network, we can start the MongoDB container. Run the following command to start the container:
docker run -d --name mongo-container --network mongo-net mongo
This command will start the MongoDB container in detached mode with the name mongo-container and connect it to the mongo-net network.
Step 4: Connect to the MongoDB container
To connect to the MongoDB container, run the following command:
docker exec -it mongo-container mongo
This command will open the MongoDB shell in the container.
Step 5: Create a MongoDB database
In the MongoDB shell, we can create a new database by running the following command:
use mydb
This command will create a new database called mydb. You can replace mydb with the name of your choice.
Step 6: Create a MongoDB collection
We can create a new collection in the mydb database by running the following command:
db.createCollection("mycollection")
This command will create a new collection called mycollection in the mydb database.
Step 7: Insert data into the MongoDB collection
To insert data into the mycollection collection, run the following command:
db.mycollection.insert({name: "John", age: 30})
This command will insert a new document with the name and age fields into the mycollection collection.
Step 8: View the MongoDB collection data
To view the data in the mycollection collection, run the following command:
db.mycollection.find()
This command will display all the documents in the mycollection collection.
In this article, we went through step-by-step instructions on how to deploy MongoDB on Docker. We pulled the MongoDB image from Docker Hub, created a Docker network, started the MongoDB container, connected to the container, created a new database and collection, inserted data into the collection, and viewed the collection data. By following these steps, you can quickly and easily deploy MongoDB on Docker for your next project.
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That's it for this post. Keep practicing and have fun. Leave your comments if any.
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