Working SonarQube + Mysql Dead Simple Docker Compose file

sonarqube-mysql-docker-compose.yml

sonarqube:
  image: sonarqube
  ports:
   - "9000:9000"
   - "3306:3306"
  environment:
   - SONARQUBE_JDBC_USERNAME=sonar
   - SONARQUBE_JDBC_PASSWORD=sonar
   - SONARQUBE_JDBC_URL=jdbc:mysql://localhost:3306/sonar?useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true

db:
  image: mysql:5.7
  command: mysqld --max_allowed_packet=1024M
  net: container:sonarqube
  environment:
   - MYSQL_ROOT_PASSWORD=sonar
   - MYSQL_DATABASE=sonar
   - MYSQL_USER=sonar
   - MYSQL_PASSWORD=sonar