postgres and elasticsearch on docker

docker-compose.yml

version: "3"

services:
  postgres:
    image: postgres:9.6.3
    ports:
      - "5432:5432"
    volumes:
      - pgdata:/var/lib/postgresql/data
    environment:
      - "POSTGRES_USER=amcnamara"
  elasticsearch:
    image: elasticsearch:5.3
    ports:
      - "9200:9200"
    volumes:
      - esdata:/usr/share/elasticsearch/data/
    environment:
      - "xpack.security.enabled=false"
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
  kibana:
    image: kibana:5.3
    ports:
      - "5601:5601"
    environment:
      - ELASTICSEARCH_URL=http://elasticsearch:9200
volumes:
   esdata:
   pgdata:

Note user should be login username