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PHP Academy · Lesson

Dockerizing a PHP Application

Build a Docker image for PHP + Nginx and orchestrate with Docker Compose.

Why Docker for PHP?

Docker packages your application with its dependencies into a portable container image. The same image runs identically in development, CI, and production — eliminating "works on my machine" problems.

Basic PHP Dockerfile

A minimal Dockerfile for a PHP + Nginx application.

# Dockerfile
FROM php:8.3-fpm-alpine

# Install extensions
RUN docker-php-ext-install pdo pdo_mysql opcache

# Install Composer
COPY --from=composer:2 /usr/bin/composer /usr/bin/composer

WORKDIR /app
COPY composer.json composer.lock ./
RUN composer install --no-dev --optimize-autoloader

COPY . .

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

All lessons in this course

  1. Nginx and PHP-FPM Configuration
  2. Environment Variables and .env Files
  3. Deploying with GitHub Actions
  4. Dockerizing a PHP Application
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