Similar to an issue fixed in a separate commit, see #3e01a34.
The Makefile uses a variable NAME for the tag of the Docker image. On some systems like mine, $NAME is a default environment variable used to store the hostname. When running make run:
v3r0@Juju:~/cdl/workshop-docker/perpetual-writer$ make run
docker build -f Dockerfile -t Juju .
[+] Building 0.0s (0/0) docker:default
ERROR: failed to build: invalid tag "Juju": repository name must be lowercase
make: *** [Makefile:6: build] Error 1
Similar to an issue fixed in a separate commit, see #3e01a34.
The Makefile uses a variable NAME for the tag of the Docker image. On some systems like mine, $NAME is a default environment variable used to store the hostname. When running make run: