docker-compose.yml to spin up a SonarQube server

docker-compose.yml

version: '3.7'
services:
  sonarqube:
    image: sonarqube:7.9.1-community
    ports:
      - "9000:9000"
    networks:
      - sonarnet
    environment:
      - sonar.jdbc.url=jdbc:postgresql://db:5432/sonar
    volumes:
      - sonarqube_conf:/opt/sonarqube/conf
      - sonarqube_data:/opt/sonarqube/data
      - sonarqube_extensions:/opt/sonarqube/extensions
  
  db:
    image: postgres:12.1-alpine
    networks:
      - sonarnet
    environment:
      - POSTGRES_USER=sonar
      - POSTGRES_PASSWORD=sonar
    volumes:
      - postgresql:/var/lib/postgresql
      - postgresql_data:/var/lib/postgresql/data
  
networks:
  sonarnet:
    driver: bridge

volumes:
  sonarqube_conf:
  sonarqube_data:
  sonarqube_extensions:
  postgresql:
  postgresql_data:
  

Copied from here: https://github.com/SonarSource/docker-sonarqube/blob/master/recipes.md
This spins up a SonarQube (Community) server on localhost with a PostgreSQL backend. Just download it to a folder somewhere and enter: docker-compose up