Hi I'm having trouble running a restartable docker. It seems that a docker target ran with

restartable=True

doesn't wait until the previous docker container stops. I'll provide an example: src/docker/BUILD

docker_image(
    name="app",
    dependencies=["src/python/app:bin"],
    restartable=True
)

src/python/app/BUILD

python_sources()
pex_binary(
    name="bin",
    entry_point="main.py"
)

src/docker/Dockerfile

FROM python:3.9-slim

COPY <http://src.python.app/bin.pex|src.python.app/bin.pex> /app/bin

ENTRYPOINT [ "/app/bin" ]

Then running as:

./pants run --docker-run-args="-p 8000:8000" src/docker:app

Runs fine, but fails when any file is modified:

docker: Error response from daemon: driver failed programming external connectivity on endpoint cool_gould (5a6265badca64afa4e304e6475119f912621ee8cddf8e195d36a6d0d55b7854f): Bind for 0.0.0.0:8000 failed: port is already allocated.

./pants run --docker-run-args="-p 8000:8000 --name=app" src/docker:app

Also runs fine, but fails when any file is modified:

docker: Error response from daemon: Conflict. The container name "/app" is already in use by container "e003d8f7b8c1e963e1f540ab49a06b67a21530938ac1f9092862e858e800dcfe". You have to remove (or rename) that container to be able to reuse that name.

passing --rm to the --docker-run-args gives the same result