php.docker

Build Image

• Alpine 3.23
• PHP 8.5
• Composer, PHPStan, Node.js (pnpm, yarn)

Symfony Images

• FrankenPHP 1.12.1 (Caddy-based)
• PHP 8.5

Variants

• dev: Development image with Xdebug
• prod: Production image with supervisor support

ENV Variables

PHP_MEMORY_LIMIT

• Purpose: Sets the PHP memory limit
• Default: 512M (if not specified)
• Usage: Controls how much memory PHP scripts can allocate
• Example: PHP_MEMORY_LIMIT=1G

PHP_UPLOAD_MAX_FILESIZE

• Purpose: Sets the maximum file upload size
• Default: 128M (if not specified)
• Usage: Controls the maximum size of uploaded files
• Example: PHP_UPLOAD_MAX_FILESIZE=256M

PHP_POST_MAX_SIZE

• Purpose: Sets the maximum POST data size
• Default: 146M (if not specified)
• Usage: Controls the maximum size of POST request data
• Example: PHP_POST_MAX_SIZE=256M

DUMP_COMPOSER_ENV

• Purpose: Controls whether composer environment is dumped on container startup
• Default: 0 for dev, 1 for prod
• Usage: When set to "1", runs composer dump-env prod command
• Example: DUMP_COMPOSER_ENV=1

RUN_DOCTRINE_MIGRATIONS

• Purpose: Controls whether Doctrine database migrations are automatically executed on container startup
• Default: 0 for dev, 1 for prod
• Usage: When set to "1", runs doctrine:migrations:migrate --all-or-nothing -n command
• Example: RUN_DOCTRINE_MIGRATIONS=1
• Note: Migrations are executed as the www-data user and use the --all-or-nothing flag for transaction safety

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TODO: /var/lib/php-zts/session for www-data