CODE EXAMPLE FOR PHP

increase upload limit in phpmyadmin docker

version: '3.1'
services:
  db:
    image: mysql
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: somerandompasswordgenerated
    ports:
      - 3306:3306

  phpmyadmin:
    image: phpmyadmin
    restart: always
    ports:
      - 8080:80
    environment:
      - PMA_ARBITRARY=1
        #JUST ADD THIS LIKE AND SPECIFY YOUR DEFAULT LIMIT
      - UPLOAD_LIMIT=300M