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PHP

Deploy plain PHP sites and Composer projects, with a MySQL database.

What we detect

A composer.json (without artisan) makes it a PHP app. A site with an index.php or public/index.php works too.

  • Install: composer install when there's a composer.json.
  • Serve: PHP-FPM behind nginx, on port 8080. Your public/ folder is the web root when you have one, otherwise the app's root.

Database

Link a MySQL or MariaDB database. Plain PDO code can read DB_HOST, DB_PORT, DB_DATABASE, DB_USERNAME and DB_PASSWORD, or the short aliases DB_NAME, DB_USER and DB_PASS:

db.php
<?php
$pdo = new PDO(
    sprintf('mysql:host=%s;port=%s;dbname=%s;charset=utf8mb4', getenv('DB_HOST'), getenv('DB_PORT'), getenv('DB_DATABASE')),
    getenv('DB_USERNAME'),
    getenv('DB_PASSWORD'),
);

Don't hard-code localhost

Old code often connects to localhost with a fixed password. On DockHosting the database is another server: read the variables above instead.

Uploads

Files your app writes are lost on the next deploy unless they're in persistent storage (paid plans). Turn on Persistent storage in the project's Settings and give it the folder your app writes to, for example /app/uploads.

Laravel

Deploy a Laravel app with its database, migrations, assets and the right production settings.

Python

Deploy Django, Flask, FastAPI, Streamlit or any Python web app.

On this page

What we detectDatabaseUploads