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apf_portal/docs/setup/scripts/60-tuning.sh
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Julien Gautier f70b1d3a1b
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docs(setup): add Debian 13 dev-VM setup procedure + scripts + devcontainer
New procedure in docs/setup/01-dev-debian-vm-setup.md targeting the new
dev VM (10.100.201.21, Debian 13) that replaces the WSL workflow. The
existing setup files are renumbered (01->02, 02->03, 03->04) to free
prefix 01 for the default flow.

10 modular idempotent scripts under docs/setup/scripts/ install the
stack: zsh + Oh My Zsh + Powerlevel10k + plugins, modern CLI tooling
(bat, eza, fd-find, ripgrep, fzf, zoxide, ncdu, keychain + dev extras),
nvm + Node from .nvmrc + corepack + pnpm, Docker CE + compose plugin,
inotify watches + swap + hostname tuning, best-effort UFW + sshd
hardening that probes-before-applying, and notes/aliases.zsh +
notes/gitconfig.txt installation.

A systemd template (apf-portal-infra@.service) auto-starts the local
dev infra stack at boot per user.

.devcontainer/ ships a VSCode Dev Container spec pinning Node 24 and
attaching to the host's apf-portal-dev Compose network so postgres /
redis / otel resolve by DNS from inside the container. initializeCommand
fails fast if the infra hasn't been brought up yet.

CLAUDE.md Environment conventions documents the two envs (local +
development) plus the hybrid sub-mode (workstation IDE + VM infra via
SSH LocalForward) and the two IDE flows (Remote-SSH + Devcontainer).

Adjacent follow-ups (not in this PR): preview infra on the GitLab VM
(10.100.201.10), GitLab Runner migration alongside the Gitea -> GitLab
cutover, private dotfiles repo.
2026-05-24 18:37:57 +02:00

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#!/usr/bin/env bash
# System-level tuning for Node / Vite / Nx development on a Debian VM:
# - inotify watches limit (default 8K is too low for monorepos)
# - hostname (prompt only if generic)
# - swapfile (4 GB, only if none exists)
set -euo pipefail
# shellcheck source=./lib.sh
source "$(cd "$(dirname "$0")" && pwd)/lib.sh"
require_debian
require_not_root
# 1) inotify watches.
SYSCTL_FILE="/etc/sysctl.d/99-apf-portal.conf"
INOTIFY_LINE="fs.inotify.max_user_watches=524288"
if sudo grep -qxF "$INOTIFY_LINE" "$SYSCTL_FILE" 2>/dev/null; then
skip "inotify watches already configured in $SYSCTL_FILE."
else
echo "$INOTIFY_LINE" | sudo tee "$SYSCTL_FILE" >/dev/null
sudo sysctl --system >/dev/null
ok "fs.inotify.max_user_watches → 524288."
fi
# 2) Hostname — only prompt if it looks generic.
current_hostname="$(hostname)"
case "$current_hostname" in
debian|debian13|localhost|trixie|debian12)
read -r -p "Current hostname '$current_hostname' looks generic. New hostname (blank to keep): " new_hostname
if [[ -n "$new_hostname" ]]; then
sudo hostnamectl set-hostname "$new_hostname"
ok "Hostname set to '$new_hostname'. Will reflect on next login."
else
skip "Hostname kept as '$current_hostname'."
fi
;;
*)
skip "Hostname '$current_hostname' looks intentional — keeping."
;;
esac
# 3) Swap.
if swapon --show | grep -q .; then
skip "Swap already active: $(swapon --show --noheadings | head -1 | awk '{print $1, $3}')."
else
if confirm "No swap detected. Add a 4 GB swapfile at /swapfile?"; then
sudo fallocate -l 4G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
ensure_line_sudo "/swapfile none swap sw 0 0" /etc/fstab
ok "4 GB swapfile active."
else
skip "No swap configured (user choice)."
fi
fi