Hassio on Docker - Access Denied

I’ trying to setup Hassio on docker running on a Ubuntu server. Have setup docker etc and using docker-compose am getting the error message

“pull access denied for homeassistant/home_assistant, repository does not exist or may require ‘docker login’”

when running the docker-compose file below

version: '3'
services:
  homeassistant:
    container_name: home-assistant
    image: homeassistant/home_assistant:latest
    restart: unless-stopped
    devices:
      - /dev/ttyACM0:/dev/ttyACM0
      - /dev/serial/by-id/usb-RFXCOM_RFXtrx433_A1YVKF2V-if00-port0:/dev/serial/by-id/usb-RFXCOM_RFXtrx433_A1YVKF2V-if00-port0
      - /dev/ttyUSB1:/dev/ttyUSB1
    environment:
      - TZ=Europe/London
      - LOCAL_NETWORK=192.168.86.0/24
    network_mode: host
    hostname: etoufee
    ports:
      - "8123:8123"
    volumes:
      - /media/ha:/config:rw
      - /etc/localtime:/etc/localtime:ro

I know the ports declaration isn’t required, but wondered if anyone can see if there is anything else that might be contributing to the error message?

it’s image: homeassistant/home-assistant (dash, not underscore)

doh!, thank you. I’ve been looking at it too long…:blush: