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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

## Image names and tags

Every image on Docker Hub is assigned a unique name:

```txt
[your_user_name]/[image_name]:[tag_name]
```

Tags are different variations of an image. You first saw these when running the MySQL container. The official MySQL image offers various editions of `5.6`, `5.7`, and `8.0`.

A default tag of `latest` is applied to any new image. That version is downloaded when no tag is specified while pulling an image.

A single image can have any number of tags applied. The onus is on you, the image developer, to tag images appropriately and ensure the most recent stable release is tagged with the `latest`.


## Create a Docker Hub repository

The first step is to create a repository at Docker Hub. Log in at <https://hub.docker.com/> and click "Repositories" then "Create Repository" (or open <https://hub.docker.com/repository/create>):


# Image names and tags

Every image on Docker Hub is assigned a unique name:

```txt
[your_user_name]/[image_name]:[tag_name]
```

Tags are different variations of an image. You first saw these when running the MySQL container. The official MySQL image offers various editions of `5.6`, `5.7`, and `8.0`.

A default tag of `latest` is applied to any new image. That version is downloaded when no tag is specified while pulling an image.

A single image can have any number of tags applied. The onus is on you, the image developer, to tag images appropriately and ensure the most recent stable release is tagged with the `latest`.


# Create a Docker Hub repository

The first step is to create a repository at Docker Hub. Log in at <https://hub.docker.com/> and click "Repositories" then "Create Repository" (or open <https://hub.docker.com/repository/create>):


Learn what steps are needed to push an image to Docker Hub.

Pushing Images to Docker Hub

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

Pushing Images to Docker Hub

Image names and tags

Create a Docker Hub repository