sonarqube_1  | java.net.NoRouteToHostException: No route to host (Host unreachable)
sonarqube_1  |  at java.net.PlainSocketImpl.socketConnect(Native Method)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
sonarqube_1  |  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

version: '3'
services:
  sonarqube:
    image: sonarqube
    ports:
      - "9000:9000"
    networks:
      - sonarnet
    links:
      - sonardb
    depends_on:
      - sonardb
    environment:
      - SONARQUBE_JDBC_URL=jdbc:postgresql://sonardb:5432/sonar
    volumes:
      - sonarqube_conf:/opt/sonarqube/conf
      - sonarqube_data:/opt/sonarqube/data
      - sonarqube_extensions:/opt/sonarqube/extensions
      - sonarqube_bundled-plugins:/opt/sonarqube/lib/bundled-plugins

  sonardb:
    image: postgres
    networks:
      - sonarnet
    environment:
      - POSTGRES_USER=sonar
      - POSTGRES_PASSWORD=sonar
    volumes:
      - postgresql:/var/lib/postgresql
      # This needs explicit mapping due to https://github.com/docker-library/postgres/blob/4e48e3228a30763913ece952c611e5e9b95c8759/Dockerfile.template#L52
      - postgresql_data:/var/lib/postgresql/data

networks:
  sonarnet:
    driver: bridge

volumes:a
  sonarqube_conf:
  sonarqube_data:
  sonarqube_extensions:
  sonarqube_bundled-plugins:
  postgresql:
  postgresql_data:

> docker-compose up sonardb sonarqube
WARNING: Some services (jenkins, nexus) use the 'deploy' key, which will be ignored. Compose does not support 'deploy' configuration - use `docker stack deploy` to deploy to a swarm.
Starting containers_sonardb_1 ... done
Starting containers_sonarqube_1 ... done
Attaching to containers_sonardb_1, containers_sonarqube_1
sonardb_1    | 2018-10-07 13:37:49.004 UTC [1] LOG:  listening on IPv4 address "0.0.0.0", port 5432
sonardb_1    | 2018-10-07 13:37:49.004 UTC [1] LOG:  listening on IPv6 address "::", port 5432
sonardb_1    | 2018-10-07 13:37:49.024 UTC [1] LOG:  listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
sonardb_1    | 2018-10-07 13:37:49.062 UTC [25] LOG:  database system was shut down at 2018-10-07 13:37:41 UTC
sonardb_1    | 2018-10-07 13:37:49.074 UTC [1] LOG:  database system is ready to accept connections
sonarqube_1  | 2018.10.07 13:37:49 INFO  app[][o.s.a.AppFileSystem] Cleaning or creating temp directory /opt/sonarqube/temp
sonarqube_1  | 2018.10.07 13:37:49 INFO  app[][o.s.a.es.EsSettings] Elasticsearch listening on /127.0.0.1:9001
.....
sonarqube_1  | 2018.10.07 13:37:58 INFO  web[][o.s.s.e.EsClientProvider] Connected to local Elasticsearch: [127.0.0.1:9001]
sonarqube_1  | 2018.10.07 13:37:58 INFO  web[][o.s.s.p.LogServerVersion] SonarQube Server / 7.1.0.11001 / 9f47ce9daecebb16fc777249a418252625ae774a
sonarqube_1  | 2018.10.07 13:37:58 INFO  web[][o.sonar.db.Database] Create JDBC data source for jdbc:postgresql://sonardb:5432/sonar
sonarqube_1  | 2018.10.07 13:37:59 WARN  web[][unknown.jul.logger] IOException occurred while connecting to sonardb:5432
sonarqube_1  | java.net.NoRouteToHostException: No route to host (Host unreachable)
sonarqube_1  |  at java.net.PlainSocketImpl.socketConnect(Native Method)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
sonarqube_1  |  at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
sonarqube_1  |  at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)