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Gain insights into Docker's architecture, images, and containers. Learn about running databases, using WordPress and Node.js with Docker, and confidently apply Docker in web development projects.

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Docker is the most useful web development tool you’re not using. This course is your guide for building all kinds of web applications with Docker.

You will be introduced to Docker basics including its architecture, images, and containers. Then you'll run various databases and view them via CLI or Adminer. Next, you will learn how easy it is to use WordPress with Docker. After that is the Node.js app and its live editing and debugging with Chrome's devTools. Finally, you will make your own project to practice your Docker knowledge.

By the end of the course, you will be able to confidently use Docker in any of your further projects.

Docker for Web Developers

## Define a Docker network

Using a Docker network allows containers to communicate with each other using their container name (`--name`) rather than an IP address.

To delete or create a network we can use the following:

```sh
docker network create --driver bridge <network_name>
```
For example, to create a network named `mynet`, we can use:

```sh
docker network create --driver bridge mynet
```

Attach the container to that network in `docker run` with `--net mynet`, e.g.,
```txt
docker run \
  -d --rm --name mysql \
  -p 3306:3306 \
  --mount "src=mysqldata,target=/var/lib/mysql" \
  -e MYSQL_ROOT_PASSWORD=mysecret \
  --net mynet \
  mysql
```

### View networks

The following command lists all the Docker networks: 

```sh
docker network ls
```


### Delete a network

The following command deletes the network specified by its name or ID.
```sh
docker network rm <network_id_or_name>
```
For example, to delete a network named `mynet`, we can use:
```sh
docker network rm mynet
```


To remove all unused networks that are not currently being used by a running container, use:

```sh
docker network prune
```


# Define a Docker network

Using a Docker network allows containers to communicate with each other using their container name (`--name`) rather than an IP address.

To delete or create a network we can use the following:

```sh
docker network create --driver bridge <network_name>
```
For example, to create a network named `mynet`, we can use:

```sh
docker network create --driver bridge mynet
```

Attach the container to that network in `docker run` with `--net mynet`, e.g.,
```txt
docker run \
  -d --rm --name mysql \
  -p 3306:3306 \
  --mount "src=mysqldata,target=/var/lib/mysql" \
  -e MYSQL_ROOT_PASSWORD=mysecret \
  --net mynet \
  mysql
```

## View networks

The following command lists all the Docker networks: 

```sh
docker network ls
```


## Delete a network

The following command deletes the network specified by its name or ID.
```sh
docker network rm <network_id_or_name>
```
For example, to delete a network named `mynet`, we can use:
```sh
docker network rm mynet
```


To remove all unused networks that are not currently being used by a running container, use:

```sh
docker network prune
```


Learn useful Docker CLI commands related to Docker networks.

Docker CLI: Docker Networks

Why Docker for Web Developers?

Introduction

What is Docker?

Launch a MySQL Database with Docker

WordPress Development with Docker

Application Development with Docker

Push Your Docker Image to a Repository

Docker Orchestration on Production Servers

Docker CLI Commands

Dockerfile and Docker Compose

Project: Never-Ending Quizzery

Assessment - Docker for Web Developers

APPENDIX

Docker CLI: Docker Networks

Define a Docker network