Tutor plugin for adding utf8mb4 support to MySQL

tutor-mysqlutf8mb4.yml

# Enable utf8mb4 character support in mysql.
# See this conversation for further information: https://discuss.overhang.io/t/utfmb4-instead-of-utf8mb3-442/1590
# Use this plugin as follows:
#
#     tutor plugins install https://gist.githubusercontent.com/regisb/13208737b639a13ec9eb47d5aeb2747c/raw/e8845c6a5a11d0e1f0c2fe920d9d9bdddf13af71/tutor-mysqlutf8mb4.yml
#     tutor plugins enable mysqlutf8mb4
#     tutor config save
#     tutor local reboot
#
# Note: this plugin is not compatible with Kubernetes deployments.
name: mysqlutf8mb4
version: 0.1.0
config:
  set:
    RUN_MYSQL: false
patches:
  local-docker-compose-services: |
    # mysqlutf8mb4
    mysql:
      image: {{ DOCKER_IMAGE_MYSQL }}
      command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
      restart: unless-stopped
      volumes:
        - ../../data/mysql:/var/lib/mysql
      environment:
        MYSQL_ROOT_PASSWORD: "{{ MYSQL_ROOT_PASSWORD }}"