Question 229616 in Laravel Question posted in
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Developing Laravel in running Docker Container

Docker newbie here and I don’t understand how it all works together. How do I develop in the container? Or do I need to do development and then build and run the container as two separate actions?

I created a Laravel 10 app in ~/source/mediacenter. I dockerized it with this Dockerfile, built it and started it.

# Dockerfile
FROM php:8.2-cli

RUN apt-get update -y && apt-get install -y libmcrypt-dev

RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
# RUN docker-php-ext-install pdo mbstring

WORKDIR /var/www/html
COPY . /var/www/html

RUN composer install

EXPOSE 3100
CMD php artisan serve --host=0.0.0.0 --port=8000

I can access it from localhost:3100.

Now how do I make a change to my Laravel code and see it work? Changes are in my /source/mediacenter directory but code is running in /var/www/html. If I docker exec into the container and run artisan (create a new model for instancde), those changes happen in /var/www/html/ and not my source code.

Does this mean I need to develop and run locally and when I am happy with it, build the image and container to deploy wherever I want? Or, is there a trick that can let me develop and test within the running container? I did spend an hour searching for solutions but am probably not asking the right question.

Tags:

2

Answers


  1. 0

    You can use docker-compose map your changes in running containers.

    for example, your docker file must be bellow:

    FROM php:8.1-fpm

# Arguments defined in docker-compose.yml
ARG user
ARG uid

# Install system dependencies
RUN apt-get update && apt-get install -y 
    git 
    curl 
    libpng-dev 
    libonig-dev 
    libxml2-dev 
    libldap2-dev 
    zip 
    unzip

# Clear cache
RUN apt-get clean && rm -rf /var/lib/apt/lists/*

# Install PHP extensions
RUN docker-php-ext-install pdo_mysql mbstring exif pcntl bcmath gd soap

# Get latest Composer
COPY --from=composer:latest /usr/bin/composer /usr/bin/composer

# Create system user to run Composer and Artisan Commands
RUN useradd -G www-data,root -u $uid -d /home/$user $user
RUN mkdir -p /home/$user/.composer && 
    chown -R $user:$user /home/$user

# Install app dependency
RUN mkdir /app

COPY . /app
WORKDIR /app

RUN chown -R www-data:www-data 
        /app/storage 
        /app/bootstrap/cache

RUN php artisan optimize && 
    php artisan key:generate && 
    php artisan config:cache&& 
    php artisan route:cache

VOLUME /app

USER $user

VOLUME /app

    And your docker-compose.yml file like bellow:

    version: "3.3"
services:
  app:
    build:
      args:
        user: laravel
        uid: 1000
      context: ./
      dockerfile: ./Dockerfile
    image: laravel-app
    container_name: laravel-app
    restart: unless-stopped
    volumes:
      - ./:/app
    ports:
      - 9000:9000

    Now every change can when you did map into container

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  2. 0

    If you are not sure about docker and you wish to focus on development first, you may use Laravel Sail instead.

    Command:

    curl -s "https://laravel.build/example-app" | bash

    Where example-app is the root project folder.

    This will download a basic PHP docker image with a default Laravel project for you. Running ./vendor/bin/sail up will build/start the container.

    You can update the code inside example-app and this will be reflected in your project.

    Sail also comes with composer and node/npm.

    Commands:

    # artisan:
./vendor/bin/sail artisan migrate
# composer:
./vendor/bin/sail composer install
# npm:
./vendor/bin/npm install

    If you are in ubuntu, you can create an alias so that you can shorten ./vendor/bin/sail to sail

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