session_8.md

Docker Compose Lab - 1

In this lab session we are going to deploying wordpress website with multiple container using dockerfile and docker compose.

Step 1 - Create new directory wordpress and code at / directory

Start off by making a new directory wordpress where you wish to store the files for WordPress and MariaDB for example in your / directory and also create new directory code where you have save dockerfiles and docker-compose.yml file .

mkdir /wordpress /code && cd /code

Step 2 - Write the dockerfile called dockerfile1 for database

create a new file in /code directory called dockerfile1 and put below code in it and save it .

ARG CODE_VERSION=latest
FROM mariadb:${CODE_VERSION}
ENV MYSQL_ROOT_PASSWORD=root123
ENV MYSQL_DATABASE=wordpress

Step 3 - Write the dockerfile called dockerfile2 for wordpress

create a new file in /code directory called dockerfile2 and put below code in it and save it .

ARG CODE_VERSION=latest
FROM wordpress:${CODE_VERSION}
ENV WORDPRESS_DB_PASSWORD=root123

Step 4 - Write the docker compose file called docker-compose.yml

create a new file in /code directory called docker-compose.yml and put below code in it and save it .

version: '3'
services:
  wordpressdb:
    build:
      context: .
      dockerfile: dockerfile1
    volumes:
      - /wordpress/database:/var/lib/mysql
  wordpress:
    build:
      context: .
      dockerfile: dockerfile2
    ports:
      - "8080:80"
    volumes:
      - /wordpress/html:/var/www/html
    links:
      - wordpressdb:mysql

Step 5 - Run the docker compose

docker-compose up command is use for launch our containers

docker-compose up

Step 6 - Open the website in browser

In this step we are to open our wordpress website on browser for that in up side on play with docker open port display in blue color click on that .