Dockerfile HOSTNAME Instruction for docker build like docker run -h

Question

I am attempting to set the hostname inside a docker container during the build since certain software installs use the discovered randomly generated hostname and permanently

Answer 1

You can use docker-compose to build your image and assign the hostname, e.g.

version: '3'
services:
  all:
    image: testimage
    container_name: myname
    hostname: myhost
    build:
      context: .

The run as: docker-compose --build up.