Getting WARN could not unmount /rootfs: EINVAL: Invalid argument

Questions / Help Build debugging
1

This is my dockerfile

FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

WORKDIR /app

RUN pip install poetry

COPY . .

RUN poetry install --no-root

CMD ["poetry", "run", "uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]

This is my fly.toml file


# fly.toml app configuration file generated for harmony-ai on 2024-09-29T00:07:53+05:30
#
# See https://fly.io/docs/reference/configuration/ for information about how to use this file.
#

app = 'harmony-ai'
primary_region = 'sjc'

[build]

[http_service]
  internal_port = 8000
  force_https = true
  auto_stop_machines = 'stop'
  auto_start_machines = true
  min_machines_running = 0
  processes = ['app']

[[vm]]
  memory = '512mb'
  cpu_kind = 'shared'
  cpus = 1