First commit

.gitignore

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+data
+.env*

Dockerfile-wordpress-xdebug

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+# Original: https://marioyepes.com/setup-debug-php-docker-visual-studio-code
+
+ARG DOCKER_IMG_TAG
+
+# Source image
+FROM wordpress:${DOCKER_IMG_TAG}
+
+# We're going to use this path multile times. So save it in a variable.
+ARG XDEBUG_INI="/usr/local/etc/php/conf.d/xdebug.ini"
+
+COPY ./wordpress-xdebug/plugins /root/wp-plugins
+
+# Install AND configure Xdebug
+RUN pecl install xdebug \
+    && docker-php-ext-enable xdebug \
+    && echo "[xdebug]" > $XDEBUG_INI \
+    && echo "xdebug.mode = debug" >> $XDEBUG_INI \
+    && echo "xdebug.start_with_request = trigger" >> $XDEBUG_INI \
+    && echo "xdebug.client_port = 9003" >> $XDEBUG_INI \
+    && echo "xdebug.client_host = 'host.docker.internal'" >> $XDEBUG_INI \
+    && echo "xdebug.log = /tmp/xdebug.log" >> $XDEBUG_INI
+
+RUN cp -Rf /root/wp-plugins/* /var/www/html/wp-content/plugins/ \
+    && chown -R www-data:www-data /var/www/html/wp-content/plugins/

docker-compose.yml

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+services:
+  db:
+    image: mariadb:${MARIADB_IMG_TAG}
+    command: "--log-bin=mysqld-bin"
+    # volumes:
+    #   - ./data/mysql:/var/lib/mysql
+    restart: "no"
+    environment:
+      MARIADB_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
+      MARIADB_DATABASE: ${DB_DATABASE}
+      MARIADB_USER: ${DB_USER}
+      MARIADB_PASSWORD: ${DB_PASSWORD}
+
+
+  phpmyadmin:
+    image: phpmyadmin:latest
+    restart: "no"
+    depends_on:
+      - db
+    ports:
+      - ${PHPMYADMIN_LOCAL_PORT}:80
+    environment:
+      PMA_ARBITRARY: "1"
+      PMA_HOST: db
+      PMA_USER: root
+      PMA_PASSWORD: ${DB_ROOT_PASSWORD}
+
+  # Optional for WordPress redis cache plugin
+  redis:
+    # restart: always
+    restart: "no"
+    image: bitnami/redis:${REDIS_IMG_TAG}
+    environment:
+      - ALLOW_EMPTY_PASSWORD=yes
+    # volumes:
+      # - ./data/redis:/bitnami/redis/data
+    command: /opt/bitnami/scripts/redis/run.sh --maxmemory 100mb
+
+  wordpress:
+    # image: wordpress:${WORDPRESS_IMG_TAG}
+    build:
+      context: .
+      dockerfile: Dockerfile-wordpress-xdebug
+      args:
+        - DOCKER_IMG_TAG=${WORDPRESS_IMG_TAG}
+    image: badbuta/wordpress-debug:${WORDPRESS_IMG_TAG}
+    # env_file:
+    #   - .env
+    depends_on:
+      - db
+      - redis
+    volumes:
+    #   - ./data/wp-content:/var/www/html/wp-content
+    #   - ./data/php/upload.ini:/usr/local/etc/php/conf.d/uploads.ini
+      - ./wordpress-xdebug/plugins/wordpress-docker-xdebug/plugin.php:/var/www/html/wp-content/plugins/wordpress-docker-xdebug/plugin.php:ro
+    ports:
+      - ${WORDPRESS_LOCAL_PORT}:80
+    # restart: always
+    restart: "no"
+    environment:
+      WORDPRESS_DB_HOST: db
+      WORDPRESS_DB_NAME: ${DB_DATABASE}
+      WORDPRESS_DB_USER: ${DB_USER}
+      WORDPRESS_DB_PASSWORD: ${DB_PASSWORD}
+      WORDPRESS_CONFIG_EXTRA: ${WORDPRESS_CONFIG_EXTRA}

sample.env

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+DB_ROOT_PASSWORD=wordpress
+DB_DATABASE=wordpress
+DB_USER=wordpress
+DB_PASSWORD=wordpress
+
+MARIADB_IMG_TAG=10.10
+PHPMYADMIN_LOCAL_PORT=40081
+REDIS_IMG_TAG=6.2.8
+WORDPRESS_IMG_TAG=6.1.1
+WORDPRESS_LOCAL_PORT=40080
+WORDPRESS_CONFIG_EXTRA="define( 'WP_AUTO_UPDATE_CORE', false ); \n define( 'WP_HOME', 'http://localhost:40080' ); \n define( 'WP_SITEURL', 'http://localhost:40080' ); \n define( 'WP_REDIS_HOST', 'redis' ); \n define( 'WP_REDIS_PORT', 6379 ); \n // define( 'WP_REDIS_PASSWORD', 'secret' ); \n define( 'WP_REDIS_TIMEOUT', 1 ); \n define( 'WP_REDIS_READ_TIMEOUT', 1 ); \n define( 'WP_REDIS_DATABASE', 0 );"

wordpress-xdebug/plugins/wordpress-docker-xdebug/plugin.php

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+<?php
+/**
+ * WordPress Docker Xdebug plugin
+ *
+ * @package           WpDockerXdebug
+ * @author            Mario Yepes
+ * @copyright         2020 Mario Yepes
+ * @license           GPL-2.0-or-later
+ *
+ * @wordpress-plugin
+ * Plugin Name:       WordPress Docker Xdebug plugin
+ * Plugin URI:        https://marioyepes.com
+ * Description:       A plugin that shows the status of Xdebug in Tools > Xdebug Info
+ * Version:           1.0.0
+ * Requires at least: 5.2
+ * Requires PHP:      7.2
+ * Author:            Mario Yepes
+ * Author URI:        https://marioyepes.com
+ * Text Domain:       wordpress-docker-xdebug
+ * License:           GPL v2 or later
+ * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
+ * Update URI:        https://marioyepes.com
+ */
+
+add_action( 'admin_menu', 'add_php_info_page' );
+
+function add_php_info_page() {
+    add_submenu_page(
+        'tools.php',           // Parent page
+        'Xdebug Info',         // Menu title
+        'Xdebug Info',         // Page title
+        'manage_options',      // user "role"
+        'php-info-page',       // page slug
+        'php_info_page_body'); // callback function
+}
+
+function php_info_page_body() {
+    $message = '<h2>No Xdebug enabled</h2>';
+    if ( function_exists( 'xdebug_info' ) ) {
+        xdebug_info();
+    } else {
+        echo $message;
+    }
+}