WordPress のバックアップを Docker に復元してみた

version: '3'

services:
  db:
    image: mysql@sha256:bbeff35b63bf28aeb024de309aab2d501f8aa30e94664d3840d55b36c8db53c8
    volumes:
      - ./mysql:/var/lib/mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: somewordpress
      MYSQL_DATABASE: wordpress
      MYSQL_USER: wordpress
      MYSQL_PASSWORD: wordpress

  wordpress:
    depends_on:
      - db
    image: wordpress:latest
    volumes:
      - ./html:/var/www/html
    ports:
      - "80:80"
    restart: always
    environment:
      WORDPRESS_DB_HOST: db:3306
      WORDPRESS_DB_USER: wordpress
      WORDPRESS_DB_PASSWORD: wordpress

backwpup_readme.txt
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.pluginlist.2021-05-03.txt
error
index.php
license.txt
manifest.json
xxxxxxxxxxxxxx.sql
readme.html
wp-activate.php
wp-admin
wp-blog-header.php
wp-comments-post.php
wp-config-sample.php
wp-config.php
wp-content
wp-cron.php
wp-includes
wp-links-opml.php
wp-load.php
wp-login.php
wp-mail.php
wp-settings.php
wp-signup.php
wp-trackback.php
xmlrpc.php

<?php
/**
 * The base configuration for WordPress
 *
 * The wp-config.php creation script uses this file during the
 * installation. You don't have to use the web site, you can
 * copy this file to "wp-config.php" and fill in the values.
 *
 * This file contains the following configurations:
 *
 * * MySQL settings
 * * Secret keys
 * * Database table prefix
 * * ABSPATH
 *
 * @link https://codex.wordpress.org/Editing_wp-config.php
 *
 * @package WordPress
 */

// a helper function to lookup "env_FILE", "env", then fallback
if (!function_exists('getenv_docker')) {
	// https://github.com/docker-library/wordpress/issues/588 (WP-CLI will load this file 2x)
	function getenv_docker($env, $default) {
		if ($fileEnv = getenv($env . '_FILE')) {
			return rtrim(file_get_contents($fileEnv), "\r\n");
		}
		else if (($val = getenv($env)) !== false) {
			return $val;
		}
		else {
			return $default;
		}
	}
}

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', getenv_docker('WORDPRESS_DB_NAME', 'wordpress') );

/** MySQL database username */
define( 'DB_USER', getenv_docker('WORDPRESS_DB_USER', 'example username') );

/** MySQL database password */
define( 'DB_PASSWORD', getenv_docker('WORDPRESS_DB_PASSWORD', 'example password') );

/**
 * Docker image fallback values above are sourced from the official WordPress installation wizard:
 * https://github.com/WordPress/WordPress/blob/f9cc35ebad82753e9c86de322ea5c76a9001c7e2/wp-admin/setup-config.php#L216-L230
 * (However, using "example username" and "example password" in your database is strongly discouraged.  Please use strong, random credentials!)
 */

/** MySQL hostname */
define( 'DB_HOST', getenv_docker('WORDPRESS_DB_HOST', 'mysql') );

/** Database Charset to use in creating database tables. */
define( 'DB_CHARSET', getenv_docker('WORDPRESS_DB_CHARSET', 'utf8') );

/** The Database Collate type. Don't change this if in doubt. */
define( 'DB_COLLATE', getenv_docker('WORDPRESS_DB_COLLATE', '') );

mysql -u wordpress -D wordpress -p < /var/lib/mysql/xxxxxxxxxxxxxx.sql