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In this article i will explain you step by step to dockerize your Laravel application

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We need to create three Application container MySql Database, Nginx Web Server, PHP Interpreter and utility container composer, laravel artisan and npm

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Step 1: Adding a Nginx container

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Create docker-compose.yaml file in the root path of your project folder and start adding services first of all we will add nginx server services

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\"nginx-server\"

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This is the container which will communicate with php container it acts as interpreter for php

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//copy paste following code inside docker-compose.yaml file\n\nversion: \"3.8\"\nservices:\n  server:\n    image: \"nginx:stable-alpine\"\n    ports:\n      - \"8000:80\"\n    volumes:\n      - ./src:/var/www/html\n      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro\n
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Add a nginx folder and inside that folder create a file named nginx.conf and paste the following code

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\n  //copy paste following code inside nginx.conf\n\n  server {\n    listen 80;\n    index index.php index.html;\n    server_name localhost;\n    root /var/www/html/public;\n    location / {\n        try_files $uri $uri/ /index.php?$query_string;\n    }\n    location ~ \\.php$ {\n        try_files $uri =404;\n        fastcgi_split_path_info ^(.+\\.php)(/.+)$;\n        fastcgi_pass php:9000;\n        fastcgi_index index.php;\n        include fastcgi_params;\n        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;\n        fastcgi_param PATH_INFO $fastcgi_path_info;\n    }\n  }\n
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Step 2: Adding a php container

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Add a folder name dockerfiles and in that folder create a docker file with the name php.dockerfile for the php container in order to build the image also create a src folder at root path

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\"docker-file\"

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//paste the following code inside php.dockerfile which is created inside dockerfiles folder\nFROM php:8.0-fpm\n\nWORKDIR /var/www/html\n\nRUN docker-php-ext-install pdo pdo_mysql\n
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When using Docker on Linux, you might face permission errors when adding a bind mount as shown in the next lecture. If you do, try these steps:

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Change the php.dockerfile so that it looks like that:

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FROM php:8.0-fpm\n\nWORKDIR /var/www/html\n\nCOPY src .\n\nRUN docker-php-ext-install pdo pdo_mysql\n\nRUN addgroup -g 1000 laravel && adduser -G laravel -g laravel -s /bin/sh -D laravel\n\nUSER laravel\n
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Update your docker-compose.yaml file with following code

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//update your docker-compose.yaml here container for php is added with bind volume which is mapped to the local folder src\nversion: \"3.8\"\nservices:\n  server:\n    image: \"nginx:stable-alpine\"\n    ports:\n      - \"8000:80\"\n    volumes:\n      - ./src:/var/www/html\n      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro\n    depends_on:\n      - php\n      - mysql\n  php:\n    build:\n      context: ./dockerfiles\n      dockerfile: php.dockerfile\n    volumes:\n      - ./src:/var/www/html:delegated\n
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Step 2: Adding mysql container

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Here we will add mysql container inside docker-compose.yaml file also we will create env folders and inside that env folders create file with name mysql.env for the required configuration i'e username , password for mysql container

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\"mysql-env-file\"

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Copy paste following code inside env file which you created

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MYSQL_DATABASE = homestead;\nMYSQL_USER = homestead;\nMYSQL_PASSWORD = secret;\nMYSQL_ROOT_PASSWORD = secret;\n
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Update your docker-compose.yaml file with mysql container

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version: \"3.8\"\nservices:\n  server:\n    image: \"nginx:stable-alpine\"\n    ports:\n      - \"8000:80\"\n    volumes:\n      - ./src:/var/www/html\n      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro\n    depends_on:\n      - php\n      - mysql\n  php:\n    build:\n      context: ./dockerfiles\n      dockerfile: php.dockerfile\n    volumes:\n      - ./src:/var/www/html:delegated\n  mysql:\n    image: mysql:5.7\n    env_file:\n      - ./env/mysql.env\n\n
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Step 3: Adding a composer utility container to create laravel project

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Create composer.dockerfile inside dockerfiles folder in which we will be writing executable command to create laravel project and bind mount with src folder in our local folder

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\"mysql-env-file\"

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Copy paste the following code inside composer.dockerfile

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//copy paste following code inside composer.dockerfile\n\nFROM composer:latest\n\nWORKDIR /var/www/html\n\nENTRYPOINT [ \"composer\", \"--ignore-platform-reqs\" ]\n\n
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When using Docker on Linux, you might face permission errors when adding a bind mount as shown in the next lecture. If you do

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Change the compose.dockerfile so that it looks like that:

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FROM composer:latest\n\nRUN addgroup -g 1000 laravel && adduser -G laravel -g laravel -s /bin/sh -D laravel\n\nUSER laravel\n\nWORKDIR /var/www/html\n\nENTRYPOINT [ \"composer\", \"--ignore-platform-reqs\" ]\n
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Update docker.compose.yaml file with composer container

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version: \"3.8\"\nservices:\n  server:\n    image: \"nginx:stable-alpine\"\n    ports:\n      - \"8000:80\"\n    volumes:\n      - ./src:/var/www/html\n      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro\n    depends_on:\n      - php\n      - mysql\n  php:\n    build:\n      context: ./dockerfiles\n      dockerfile: php.dockerfile\n    volumes:\n      - ./src:/var/www/html:delegated\n  mysql:\n    image: mysql:5.7\n    env_file:\n      - ./env/mysql.env\n  composer:\n    build:\n      context: ./dockerfiles\n      dockerfile: composer.dockerfile\n    volumes:\n      - ./src:/var/www/html\n\n
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Step 4: Create laravel application via composer utility container

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After finishing the setup for composer utility container we will run docker composer command to create laravel project using composer utility container we can run any specific container inside docker-compose.yaml via docker-compose command

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Go to your project folder and run following command in your terminal also make sure your docker is running in your computer

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//make sure you run the whole command including . at the end\ndocker-compose run --rm composer create-project --prefer-dist laravel/laravel .\n
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\"docker-compose-create\"

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After executing above command you will see that laravel project has been created inside your local src folder

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Step 5: Updating .env file of the project inside src folder, updating docker-compose.yaml and running server container

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We should update the .env file for the project which is created inside src folder with the same exact configuration that we have mentioned in mysql.env file inside env folders

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Change the following configuration

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DB_HOST = mysql;\nDB_DATABASE = homestead;\nDB_USERNAME = homestead;\nDB_PASSWORD = secret;\n
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\"env-file\"

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Update docker-compose.yaml file which look similar to below

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version: \"3.8\"\nservices:\n  server:\n    image: \"nginx:stable-alpine\"\n    ports:\n      - \"8000:80\"\n    volumes:\n      - ./src:/var/www/html\n      - ./nginx/nginx.conf:/etc/nginx/conf.d/default.conf:ro\n    depends_on:\n      - php\n      - mysql\n  php:\n    build:\n      context: ./dockerfiles\n      dockerfile: php.dockerfile\n    volumes:\n      - ./src:/var/www/html:delegated\n  mysql:\n    image: mysql:5.7\n    env_file:\n      - ./env/mysql.env\n  composer:\n    build:\n      context: ./dockerfiles\n      dockerfile: composer.dockerfile\n    volumes:\n      - ./src:/var/www/html\n
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Run the below command to start php, mysql and server container

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 docker-compose up -d --build server\n
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You may face issue while pulling the mysql image from docker hub on Apple M1 processor so add this line under mysql services\nbelow image

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image: mysql: 5.7;\nplatform: linux / amd64;\n
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\"env-file\"

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Open the url localhost:8000 to see the application running

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