Added Elasticsearch plus a volume for Elasticsearch's data. The normal Elasticsearch config is for an ephermeral Elasticsearch setup.

docker-compose.yml

version: "3"

services:
  mariadb:
    image: wodby/mariadb:$MARIADB_TAG
    container_name: "${PROJECT_NAME}_mariadb"
    stop_grace_period: 30s
    environment:
      MYSQL_ROOT_PASSWORD: $DB_ROOT_PASSWORD
      MYSQL_DATABASE: $DB_NAME
      MYSQL_USER: $DB_USER
      MYSQL_PASSWORD: $DB_PASSWORD
    volumes:
      - $HOME/Desktop/mariadb/:/var/lib/mysql 

  php:
    image: wodby/wordpress-php:$PHP_TAG
    container_name: "${PROJECT_NAME}_php"
    environment:
      PHP_SENDMAIL_PATH: /usr/sbin/sendmail -t -i -S mailhog:1025
      DB_HOST: $DB_HOST
      DB_USER: $DB_USER
      DB_PASSWORD: $DB_PASSWORD
      DB_NAME: $DB_NAME
## Read instructions at https://wodby.com/stacks/wordpress/docs/local/xdebug/
#      PHP_XDEBUG: 1
#      PHP_XDEBUG_DEFAULT_ENABLE: 1
#      PHP_XDEBUG_REMOTE_CONNECT_BACK: 0
#      PHP_IDE_CONFIG: serverName=my-ide
#      PHP_XDEBUG_REMOTE_HOST: 172.17.0.1 # Linux
#      PHP_XDEBUG_REMOTE_HOST: 10.254.254.254 # macOS
#      PHP_XDEBUG_REMOTE_HOST: 10.0.75.1 # Windows
    volumes:
      - ./:/var/www/html
## For macOS users (https://wodby.com/stacks/wordpress/docs/local/docker-for-mac/)
#      - ./:/var/www/html:cached # User-guided caching
#      - docker-sync:/var/www/html # Docker-sync
## For Xdebug profiler files
#      - files:/mnt/files

  nginx:
    image: wodby/nginx:$NGINX_TAG
    container_name: "${PROJECT_NAME}_nginx"
    depends_on:
      - php
    environment:
#      NGINX_PAGESPEED: "on"
      NGINX_STATIC_OPEN_FILE_CACHE: "off"
      NGINX_ERROR_LOG_LEVEL: debug
      NGINX_BACKEND_HOST: php
      NGINX_VHOST_PRESET: wordpress
    volumes:
      - ./:/var/www/html
# Options for macOS users (https://wodby.com/stacks/wordpress/docs/local/docker-for-mac/)
#      - ./:/var/www/html:cached # User-guided caching
#      - docker-sync:/var/www/html # Docker-sync
    labels:
      - 'traefik.backend=nginx'
      - 'traefik.port=80'
      - 'traefik.frontend.rule=Host:${PROJECT_BASE_URL}'

  mailhog:
    image: mailhog/mailhog
    container_name: "${PROJECT_NAME}_mailhog"
    labels:
      - 'traefik.backend=mailhog'
      - 'traefik.port=8025'
      - 'traefik.frontend.rule=Host:mailhog.${PROJECT_BASE_URL}'

  elasticsearch:
    image: wodby/elasticsearch:$ELASTICSEARCH_TAG
    environment:
      ES_JAVA_OPTS: "-Xms500m -Xmx500m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - $HOME/Desktop/elasticsearch/:/usr/share/elasticsearch/data 

#  kibana:
#    image: wodby/kibana:$KIBANA_TAG
#    depends_on:
#      - elasticsearch
#    labels:
#      - 'traefik.backend=kibana'
#      - 'traefik.port=5601'
#      - 'traefik.frontend.rule=Host:kibana.php.docker.localhost'

#  node:
#    image: wodby/node:$NODE_TAG
#    container_name: "${PROJECT_NAME}_node"
#    working_dir: /app
#    labels:
#      - 'traefik.backend=node'
#      - 'traefik.port=3000'
#      - 'traefik.frontend.rule=Host:front.${PROJECT_BASE_URL}'
#    expose:
#      - "3000"
#    volumes:
#      - ./path/to/your/single-page-app:/app
#    command: sh -c 'npm install && npm run start'

#  memcached:
#    container_name: "${PROJECT_NAME}_memcached"
#    image: wodby/memcached:$MEMCACHED_TAG

#  opensmtpd:
#    container_name: "${PROJECT_NAME}_opensmtpd"
#    image: wodby/opensmtpd:$OPENSMTPD_TAG

#  rsyslog:
#    container_name: "${PROJECT_NAME}_rsyslog"
#    image: wodby/rsyslog:$RSYSLOG_TAG

  portainer:
    image: portainer/portainer
    container_name: "${PROJECT_NAME}_portainer"
    command: --no-auth -H unix:///var/run/docker.sock
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    labels:
      - 'traefik.backend=portainer'
      - 'traefik.port=9000'
      - 'traefik.frontend.rule=Host:portainer.${PROJECT_BASE_URL}'

  traefik:
    image: traefik
    container_name: "${PROJECT_NAME}_traefik"
    command: -c /dev/null --web --docker --logLevel=INFO
    ports:
      - '8000:80'
#      - '8080:8080' # Dashboard
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock

#volumes:
## Docker-sync for macOS users
#  docker-sync:
#    external: true
## For Xdebug profiler
#  files: