Getting Started with Docker: Easy Guide to Deploy WordPress on Docker Container
Simplest way to start learning a new tech or tool in IT is to start a Project!
So this guide is aimed to help you create a Dockerized App for the first time. Simply follow the short and simple instructions given below but try to start with your own project instead of just replicating this one. You can start understanding the basics by studying this one then replace tools and services in this script to get started with your own project.
In this guide we will be setting up a WordPress Website with MySQL Server as Database Server. If this is your first project as a beginner maybe you can start with changing Database option and see how you need to change the script.
What is Docker?
Docker is an open source tool that helps engineers to containerize their applications. Containerizing an application allows it to learn on any environment anytime because it replicates the virtual base OS environment along with necessary libraries and dependencies.
Docker Compose File
Docker File is a way to practice Infrastructure as Code. You can simply spin your infrastructure by writing a code and running it in your Systems. Infrastructure as Code allows DevOps engineers to replicate the environment on any System just by running the script.
Getting Started with Docker
Watch the following video to help you get started with Docker. Then you can follow the guide for your first ever Dockerized App Project.
Create Directory for Project
mkdir [Project-Directory-Name] cd [Project-Directory-Name]
Pull Images from Docker Hub
Pull the WordPress and MySQL Images from Docker Hub. You can follow this step for other services as well. Just search your specific service or database in Docker Hub and pull the image using the following Command:
docker pull wordpress docker pull mysql
Run the following Docker-Compose.yml file from your project Directory using the following command:
version: '3.0' services: #Database db: container_name: MySQLServer image: mysql:latest volumes: - db_data:/var/lib/mysql restart: always environment: MYSQL_ROOT_PASSWORD: P@33w0rd**19 MYSQL_DATABASE: W0rdPr3ss MYSQL_USER: W0rdPr3ss MYSQL_PASSWORD: W0rdPr3ss networks: - wpsitenetwork #WordPress wordpress: container_name: WordPressServer depends_on: - db image: wordpress:latest ports: - '8000:80' volumes: ['./:/var/www/html'] restart: always environment: WORDPRESS_DB_NAME: W0rdPr3ss WORDPRESS_DB_HOST: db:3306 WORDPRESS_DB_USER: W0rdPr3ss WORDPRESS_DB_PASSWORD: W0rdPr3ss networks: - wpsitenetwork networks: wpsitenetwork: volumes: db_data: