Wordpress on Docker.

docker-compose.yml

version: '3.1'

services:
  https-portal:
    image: steveltn/https-portal:1
    container_name: https-portal
    ports:
      - '443:443'
      - '80:80'
    links:
      - wordpress
    restart: always
    environment:
      DOMAINS: 'mydomain.com -> http://wordpress'
      STAGE: 'production'
      #FORCE_RENEW: 'true'
    logging: # logをfluentdで収集する場合
      driver: 'fluentd'
      options:
        fluentd-address: 'localhost:24224'
        tag: 'docker.{{.Name}}'
    volumes:
      - ssl-certs:/var/lib/https-portal

  wordpress:
    image: wordpress:latest
    container_name: wordpress
    restart: always
    environment:
      WORDPRESS_DB_HOST: wpdb
      WORDPRESS_DB_USER: dbuser
      WORDPRESS_DB_PASSWORD: dbpass
      WORDPRESS_DB_NAME: mydomain_wp
    logging:
      driver: 'fluentd'
      options:
        fluentd-address: 'localhost:24224'
        tag: 'docker.{{.Name}}'
    volumes:
      - wp_volume:/var/www/html

  wpdb:
    image: mysql:5.7
    container_name: wpdb
    restart: always
    environment:
      MYSQL_DATABASE: mydomain_wp
      MYSQL_USER: dbuser
      MYSQL_PASSWORD: dbpass
      MYSQL_RANDOM_ROOT_PASSWORD: 'yes'
    logging:
      driver: 'fluentd'
      options:
        fluentd-address: 'localhost:24224'
        tag: 'docker.{{.Name}}'
    volumes:
      - wpdb_volume:/var/lib/mysql

  ddclient: # Google DomainsなどのDDNS更新用
    image: linuxserver/ddclient
    container_name: ddclient
    environment:
      - PUID=1001
      - PGID=4
      - TZ=Asia/Tokyo
    logging:
      driver: 'fluentd'
      options:
        fluentd-address: 'localhost:24224'
        tag: 'docker.{{.Name}}'
    volumes:
      - ./conf:/config
    restart: unless-stopped

volumes:
  wpdb_volume:
    driver: local
  wp_volume:
    driver: local
  ssl-certs:
    driver: local

wp_backup.sh

#!/bin/bash -f
# Wordpresのファイルとデータベースをバックアップします

#docker-compose.ymlファイル
yaml_f=docker-compose.yml

#バックアップディレクトリ
backup_dir="backup_"`date '+%Y%m%d%H%M%S'`

#docker-compose.ymlからデータベース情報を取得
set $(grep "MYSQL_DATABASE" ${yaml_f} | tr ':' ' ')
db_name=${2}
set $(grep "MYSQL_USER" ${yaml_f} | tr ':' ' ')
db_user=${2}
set $(grep "MYSQL_PASSWORD" ${yaml_f} | tr ':' ' ')
db_pass=${2}

#ディレクトリ作成
mkdir ${backup_dir}

#Wordpresファイルバックアップ
docker run --rm --volumes-from wordpress -v ${PWD}/${backup_dir}:/backup busybox tar cf /backup/wp_backup.tar html -C /var/www

#Wordpressデータベースバックアップ
docker run --rm --volumes-from wpdb -v ${PWD}/${backup_dir}:/backup busybox tar cf /backup/db_backup.tar mysql -C /var/lib

bzip2 ${PWD}/${backup_dir}/wp_backup.tar ${PWD}/${backup_dir}/db_backup.tar
chown -R $(whoami):adm ${backup_dir}

exit 0