Can't install mysql with laravel

mysql
php7.1

#1
Hi, I am using circleCI 2.0 with Laravel app. 
I am trying to execute php artisan db:seed, but I need to create some database before.
Can you help me please what's wrong, because it says "mysql command not found" when it executes task (run old database)


version: 2

    jobs:
      build:
    docker:
      - image: circleci/php7.1
      - image: circleci/mysql:5.7
        environment:
          MYSQL_ALLOW_EMPTY_PASSWORD=true
          MYSQL_ROOT_HOST="%"
          MYSQL_USER=root
          MYSQL_DATABASE=circle_test
    working_directory: ~/laravel
    steps:
      - checkout
      - run:
          name: Install System Dependencies
          command: |
            apt-get update \
            && apt-get install -y wget
      - run:
          name: install dockerize
          command: wget https://github.com/jwilder/dockerize/releases/download/$DOCKERIZE_VERSION/dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz && tar -xzvf dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz -C /usr/local/bin && rm dockerize-linux-amd64-$DOCKERIZE_VERSION.tar.gz
          environment:
            DOCKERIZE_VERSION: v0.3.0
      - run:
          name: Wait for db
          command: dockerize -wait tcp://localhost:3306 -timeout 1m
      - run: composer self-update
      - restore_cache:
          keys:
            - composer-v1-{{ checksum "composer.json" }}
            - composer-v1-
      - run: composer install -n --prefer-dist
      - save_cache:
          key: composer-v1-{{ checksum "composer.json" }}
          paths:
            - vendor
       - run:
          name: Run old database
          command: |
            mysql -u root -e "CREATE DATABASE somedb;" \
            && mysql -u root -D somedb < somedb.sql
      - run:
          name: Run migrations
          command: php artisan migrate --force
          environment:
           (... some db variables )
      - run:
          name: Run seeds
          command: php artisan db:seed --force
          environment:
           (... some db variables )
      - run:
          name: Run tests
          command: ./vendor/bin/phpunit -c phpunit.circle.xml

#2