feat(shell): bake zsh + starship into PHP-FPM image#358
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`lerd shell` and the TUI shell action previously dropped into bare `sh`, which made the in-container experience feel like a different planet from the host. The PHP-FPM image now ships zsh with a self-contained config (starship prompt, `compinit -u`, persistent history under `~/.local/share/lerd/shell-state/php-<ver>/zsh/`) and a handful of modern CLI tools (eza, bat, fzf, zoxide). The quadlet sets `HostName=` to the host's hostname so the prompt reads `root@your-machine` instead of an opaque container id, and the renderer mounts the per-version zsh history dir read-write so commands survive container rebuilds. `InteractiveShellScript()` picks zsh in the FPM image and falls back through bash to sh for other containers. The shell environment is deliberately isolated from the host's `~/.zshrc` and `~/.config/fish`. An earlier draft mounted those (first read-only, then with podman's overlay flag for fish_variables writes), but every customised host config introduced its own cascade of "no such file or directory" errors as it tried to source distro-specific paths the alpine container had never heard of. The container shell is its own world now, consistent across every machine and contributor.
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Summary
The lerd PHP-FPM image now drops into zsh with starship instead of bare sh when you run
lerd shell(or hit the TUI shell action). Container ships its own self-contained config so the experience is predictable across machines.What's in the image: zsh, starship, eza, bat, fzf, zoxide. The lerd-shipped
/etc/zsh/zshrcwires up persistent history (per PHP version, under~/.local/share/lerd/shell-state/php-<ver>/zsh/), enables completion withcompinit -u, and inits starship. The FPM quadlet pinsHostName=to the host's hostname so the prompt readsroot@your-machine, not an opaque container id.Host shell config is intentionally not mounted. An earlier round of this branch tried to bind-mount
~/.config/fishand~/.zshrcfor an OrbStack-like inherit-your-prompt experience, but every customised host config has its own pile of distro-specific source paths and binaries that simply don't exist inside alpine, so the container shell would fire off a cascade of "no such file or directory" errors on every login. Cleaner to ship one good environment than to play whack-a-mole.After upgrading, existing users need to rebuild their PHP images (
lerd php:rebuild <ver>) and recreate the FPM container (systemctl --user daemon-reload && podman rm -f lerd-php<short>-fpm && systemctl --user start lerd-php<short>-fpm) to pick up the new layer and the regenerated quadlet.