Ship shell defaults via /etc/skel-devbox so user files are preserved
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Previous behaviour (e4063b5) COPY'd .bash_aliases and .inputrc
directly into /home/developer/ during image build. That silently
shadowed any host bind-mount or in-container customization for users
upgrading from v1.14.19b — if you'd written your own .bash_aliases
and rebuilt the container, our baked version would overwrite it
without warning.

Ship the files to /etc/skel-devbox/ instead. The entrypoint copies
them to $HOME only if the target file does not already exist, so:

- Fresh containers get the defaults automatically (unchanged)
- Host bind-mounts win (they materialize before the entrypoint runs)
- Existing in-container customizations survive upgrades
- Defaults remain discoverable at /etc/skel-devbox/ for anyone who
  wants to copy, diff, or reset back to upstream

Docs (README.md, DOCKER_HUB.md, deploy/README.md) describe the new
skel layout and the restore/diff commands.
This commit is contained in:
2026-04-21 19:44:29 +02:00
parent e4063b5559
commit 8535f73ad3
5 changed files with 64 additions and 9 deletions
+12
View File
@@ -198,6 +198,18 @@ After editing `docker-compose.yml` on the VM to uncomment the bind mounts you ne
The script reads `docker-compose.yml` on the remote VM, detects which bind mounts are active, and syncs only those directories from your local machine. It also creates the remote directories if they don't exist.
### Shell defaults inside the container
The image ships baked `.bash_aliases` and `.inputrc` in `/etc/skel-devbox/` — quality-of-life defaults (prefix history search on Up/Down arrows, persistent history across container recreates via the `devbox-shell-history` named volume, `[devbox]` prompt marker, sensible aliases). On first container start the entrypoint copies them to `/home/developer/` **only if the target file does not already exist**.
This means:
- Fresh containers get the defaults automatically.
- If you bind-mount your host's `~/.bash_aliases` / `~/.inputrc` (see the commented lines in `docker-compose.yml`), your host versions win.
- If you edit the files inside a running container and store them via a home-dir bind-mount or equivalent, subsequent upgrades never overwrite them.
- To restore the baked defaults any time: `cp /etc/skel-devbox/.bash_aliases ~/` (or delete the file and recreate the container).
- To diff your current config against what the image ships: `diff ~/.bash_aliases /etc/skel-devbox/.bash_aliases`.
### Troubleshooting: SSH hangs or "banner exchange" timeouts
If SSH to the VM intermittently fails with `Connection timed out during banner exchange` or pure TCP connect timeouts — especially after the first few successful connects in a short window — the cause is almost certainly your ISP's CGNAT (Carrier-Grade NAT), not the VM.