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A Cloud Guru

Docker Networking

You are developing a new containerized application for a client. The application will consists of two containers: one for the frontend application, and one for the database. Your client has security concerns about the database, and they want it to run on a private network that is not publicly accessible. You will need to create two networks. One will house the frontend application that is publicly accessible, and the other network, which is flagged as internal, is where the database will reside. Create a MySQL container connected to the private network and a Nginx container that is connect to both networks.

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Path Info

Level

Beginner

Duration

1h 0m

Published

Apr 03, 2019

Challenge

Create the frontend network
Use the docker network to create the frontend network:
```
docker network create frontend
```
Challenge

Create the localhost network
User the docker network command to create the localhost network:
```
docker network create localhost --internal
```

Challenge

Create a MySQL container

Create a MySQL container that is attached to the localhost network:

docker container run -d --name database --network localhost -e MYSQL_ROOT_PASSWORD=P4ssW0rd0! mysql:5.7

Challenge

Create an Nginx container
Create an Nginx container that is attached to the localhost network:
```
docker container run -d --name frontend-app --network frontend nginx:latest
```
Challenge

Connect frontend-app to the internal network
Connect frontend-app to the localhost network:
```
docker network connect localhost frontend-app
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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