Wordpress docker image with host user + docker-compose

FROM wordpress

# Taken from here:
# https://jtreminio.com/blog/running-docker-containers-as-current-host-user/

ARG USER_ID
ARG GROUP_ID

RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
    userdel -f www-data &&\
    if getent group www-data ; then groupdel www-data; fi &&\
    groupadd -g ${GROUP_ID} www-data &&\
    useradd -l -u ${USER_ID} -g www-data www-data &&\
    install -d -m 0755 -o www-data -g www-data /home/www-data &&\
    chown --changes --silent --no-dereference --recursive \
          --from=33:33 ${USER_ID}:${GROUP_ID} \
        /home/www-data \
        /var/www \
        /etc/apache2 \
;fi
        
USER www-data

version: '3.8'

services:

  wordpress:
    build:
      context: .
      args:
        USER_ID: 1000
        GROUP_ID: 1000
    image: wordpress:custom-user
    restart: always
    ports:
      - 8080:8080
    environment:
      WORDPRESS_DB_HOST: db
      WORDPRESS_DB_USER: exampleuser
      WORDPRESS_DB_PASSWORD: examplepass
      WORDPRESS_DB_NAME: exampledb
    volumes:
      - ./wp:/var/www/html
      - ./apache-conf:/etc/apache2

  db:
    image: mysql:5.7
    restart: always
    environment:
      MYSQL_DATABASE: exampledb
      MYSQL_USER: exampleuser
      MYSQL_PASSWORD: examplepass
      MYSQL_RANDOM_ROOT_PASSWORD: '1'
    volumes:
      - db:/var/lib/mysql

volumes:
  db: