Root cause: write_env_file used os.replace() which creates a new inode.
Docker file bind-mounts track the original inode at mount time, so the
container's /app/.env.compose never saw updates — docker compose always
read the stale port value and skipped container recreation.
Fixes:
- ip_utils.write_env_file: write in-place (open 'w') instead of os.replace()
so Docker bind-mounted files see the update immediately
- apply_pending_config: add --force-recreate to docker compose up for
specific-container restarts, bypassing config-hash comparison as a
belt-and-suspenders measure
Tests added:
- TestWriteEnvFileInPlace: verifies inode is preserved across writes
- TestApplyPendingConfigForceRecreate: verifies --force-recreate is in the
docker compose command for specific-container restarts
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
roof
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