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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

# Docker Volumes

## View Docker volumes

Volumes are Docker-managed disks mounted into a container (using `--mount`) to provide persistent storage between restarts. List created volumes using the following command:

```sh
docker volume ls
```

## Delete a volume
To delete a volume we can use the following:

```sh
docker volume rm <volume_name>
```

For example, to delete a volume named `mysqldata`, we can use:

```sh
docker volume rm mysqldata
```

Or to remove all unused volumes not currently attached to a running container:

```sh
docker volume prune
```
These commands work if the container, whose volume you want to delete, is stopped and removed.

## Bind mount a host directory
A directory on the host can be mounted into a container using the `-v hostdir:containerdir` option with the `docker run` command. For example, the following command mounts the current directory’s code subdirectory to the container’s `/home/app` directory:

```sh
-v $PWD/code:/home/app
```

`$PWD` references the current directory on Linux and macOS. It is not available on Windows so the full path must be specified using forward-slash notation, e.g.,

```sh
-v /c/project/code:/home/app
```

# Practice
When you connect the terminal below, a volume named `mysqldata` will be created. Execute commands against the following:

1. List created volumes.
2. Delete the volume `mysqldata`.

# Docker Volumes

## View Docker volumes

Volumes are Docker-managed disks mounted into a container (using `--mount`) to provide persistent storage between restarts. List created volumes using the following command:

```sh
docker volume ls
```

## Delete a volume
To delete a volume we can use the following:

```sh
docker volume rm <volume_name>
```

For example, to delete a volume named `mysqldata`, we can use:

```sh
docker volume rm mysqldata
```

Or to remove all unused volumes not currently attached to a running container:

```sh
docker volume prune
```
These commands work if the container, whose volume you want to delete, is stopped and removed.

## Bind mount a host directory
A directory on the host can be mounted into a container using the `-v hostdir:containerdir` option with the `docker run` command. For example, the following command mounts the current directory’s code subdirectory to the container’s `/home/app` directory:

```sh
-v $PWD/code:/home/app
```

`＄PWD` references the current directory on Linux and macOS. It is not available on Windows so the full path must be specified using forward-slash notation, e.g.,

```sh
-v /c/project/code:/home/app
```

# Practice
When you connect the terminal below, a volume named `mysqldata` will be created. Execute commands against the following:

1. List created volumes.
2. Delete the volume `mysqldata`.

Learn useful Docker CLI commands related to Docker volumes.

Docker CLI: Docker Volumes

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 Volumes

Docker Volumes

View Docker volumes

Delete a volume