Missing env var ENV in .env.sample

[MichaelMallaburn]

What happened?

When running pixi dc up, I get an error related to a missing ENV variable.

Relevant log output (optional)

Traceback (most recent call last):
File "/home/cdsu/pixl/PIXL/.venv/bin/pixl", line 10, in
sys.exit(cli())
^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/click/core.py", line 1157, in call
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/click/core.py", line 1688, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/cli/src/pixl_cli/_docker_commands.py", line 39, in dc
run_docker_compose(docker_args, working_dir=PIXL_ROOT)
File "/home/cdsu/pixl/PIXL/cli/src/pixl_cli/_docker_commands.py", line 60, in run_docker_compose
pixl_env = config("ENV")
^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/decouple.py", line 107, in call
return self.get(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/cdsu/pixl/PIXL/.venv/lib/python3.11/site-packages/decouple.py", line 92, in get
raise UndefinedValueError('{} not found. Declare it as envvar or define a default value.'.format(option))
decouple.UndefinedValueError: ENV not found. Declare it as envvar or define a default value.

What did you expect? (optional)

The service to come up with error.

[linear]

PIX-57