How to dockerize Laravel project?

How to Dockerize a Laravel Project: A Step-by-Step Guide

Introduction

Dockerization is the process of packaging and deploying a project using Docker containers. In this article, we will walk you through the process of creating a Dockerized Laravel project, including the necessary tools and technologies.

Prerequisites

Before we begin, make sure you have the following tools installed:

• Docker: A popular containerization platform
• Laravel: A PHP web framework
• PHP: A programming language
• Ubuntu/Debian: A popular Linux distribution

Step 1: Create a New Laravel Project

To create a new Laravel project, open a terminal and run the following command:

composer create-project --prefer-dist laravel/laravel my-laravel-project

This will create a new Laravel project named my-laravel-project in the current directory.

Step 2: Create a Dockerfile

A Dockerfile is a text file that contains instructions for building a Docker image. Create a new file named Dockerfile in the root of your project directory with the following content:

FROM php:7.4-fpm



# Set the working directory to /app

WORKDIR /app



# Copy the composer.lock file and composer.json file

COPY composer.lock composer.json /app/



# Run composer install

RUN composer install --no-interaction



# Update the PHP version to 7.4

RUN apt-get update && apt-get install -y php7.4-fpm



# Expose port 9000

EXPOSE 9000



# Run the command to start the PHP-FPM service

CMD ["php", "-S", "0.0.0.0:9000"]

This Dockerfile uses the official PHP 7.4 FPM image as a base, and then adds the following instructions:

• Sets the working directory to /app: The working directory is set to /app to ensure that the project is installed in the correct location.
• Copies the composer.lock and composer.json files: These files are required by Composer, and are copied to the correct locations in the Docker image.
• Runs composer install: The composer install command is run to install the dependencies required by the project.
• Updates the PHP version to 7.4: The PHP version is updated to 7.4 using the apt-get update and apt-get install commands.
• Exposes port 9000: The port 9000 is exposed to allow the application to be accessed from outside the container.
• Runs the command to start the PHP-FPM service: The PHP-FPM service is started using the php command.

Step 3: Build the Docker Image

To build the Docker image, run the following command:

docker build -t my-laravel-project.

This command tells Docker to build a Docker image from the current directory.

Step 4: Run the Docker Container

To run the Docker container, run the following command:

docker run -d --name my-laravel-project -p 9000:9000 my-laravel-project

This command creates a new container from the my-laravel-project image, and maps port 9000 on the host machine to port 9000 in the container.

Step 5: Verify the Container

To verify the container, run the following command:

docker ps

This command lists all running containers, including the one we just created.

Step 6: Verify the Application

To verify that the application is running, you can open a web browser and navigate to http://localhost:9000. You should see the Laravel dashboard.

Tips and Best Practices

• Use the official PHP image: The official PHP image is the fastest and most reliable way to run a PHP application.
• Use the correct PHP version: Use the correct PHP version to ensure that the application is running correctly.
• Use the correct Docker image: Use the correct Docker image to ensure that the application is running correctly.
• Don’t forget to update the PHP version: Don’t forget to update the PHP version to ensure that the application is running correctly.
• Use the correct port mapping: Use the correct port mapping to ensure that the application is accessible from outside the container.
• Don’t forget to commit the changes: Don’t forget to commit the changes to the Dockerfile and the Docker image to ensure that they are preserved in the future.

Common Docker Commands

• docker build -t my-laravel-project.: Builds a Docker image from the current directory.
• docker run -d --name my-laravel-project -p 9000:9000 my-laravel-project: Runs a Docker container from the my-laravel-project image.
• docker ps: Lists all running containers.
• docker stop <container_name>: Stops a running container.
• docker rm <container_name>: Deletes a stopped container.
• docker images: Lists all available Docker images.

Troubleshooting

• Docker Not Found: If Docker is not found, make sure that it is installed and running on the host machine.
• Container Not Running: If the container is not running, make sure that it is stopped and then restarted.
• Dependency Issues: If there are issues with dependencies, make sure that they are installed and updated correctly.

Conclusion

Dockerization is a powerful tool for packaging and deploying PHP applications. By following these steps and best practices, you can create a fast and reliable Dockerized Laravel project. Remember to always follow the official PHP image, update the PHP version, and use the correct port mapping to ensure that your application is running correctly.