feat: add update script for LXC installs and document update procedure

README.md

@@ -84,6 +84,20 @@ The backend runs as a systemd service, the frontend is served via nginx on port
 > bash <(curl -fsSL https://raw.githubusercontent.com/Pouzor/homelable/main/scripts/lxc-install.sh)
 > ```
 
+### Update
+
+Run the update script inside the container (pulls latest code, rebuilds frontend, restarts services — `.env` and database are never touched):
+
+```bash
+sudo bash /opt/homelable/scripts/update.sh
+```
+
+Or directly from GitHub:
+
+```bash
+sudo bash <(curl -fsSL https://raw.githubusercontent.com/Pouzor/homelable/main/scripts/update.sh)
+```
+
 ---
 
 ## Configuration

scripts/update.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+# Homelable — update to latest version
+# Run inside the LXC / any Linux host where lxc-install.sh was used:
+#   bash /opt/homelable/scripts/update.sh
+# Or pull-and-run directly:
+#   bash <(curl -fsSL https://raw.githubusercontent.com/Pouzor/homelable/main/scripts/update.sh)
+
+set -euo pipefail
+
+INSTALL_DIR=/opt/homelable
+
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
+info()  { echo -e "${GREEN}[homelable]${NC} $*"; }
+warn()  { echo -e "${YELLOW}[homelable]${NC} $*"; }
+error() { echo -e "${RED}[homelable]${NC} $*"; exit 1; }
+
+[[ $EUID -ne 0 ]] && error "Run as root (sudo bash ...)"
+[[ -d "$INSTALL_DIR/.git" ]] || error "Homelable not found at $INSTALL_DIR — run lxc-install.sh first"
+
+# ── Pull latest code ──────────────────────────────────────────────────────────
+info "Pulling latest code..."
+BEFORE=$(git -C "$INSTALL_DIR" rev-parse HEAD)
+git -C "$INSTALL_DIR" pull --quiet
+AFTER=$(git -C "$INSTALL_DIR" rev-parse HEAD)
+
+if [[ "$BEFORE" == "$AFTER" ]]; then
+  info "Already up to date."
+  exit 0
+fi
+
+echo ""
+info "Changes since last update:"
+git -C "$INSTALL_DIR" log --oneline "${BEFORE}..${AFTER}"
+echo ""
+
+# ── Stop backend ─────────────────────────────────────────────────────────────
+info "Stopping backend service..."
+systemctl stop homelable-backend
+
+# ── Backend deps ─────────────────────────────────────────────────────────────
+info "Updating Python dependencies..."
+cd "$INSTALL_DIR/backend"
+.venv/bin/pip install --quiet -r requirements.txt
+
+# ── Frontend build ────────────────────────────────────────────────────────────
+info "Rebuilding frontend..."
+cd "$INSTALL_DIR/frontend"
+npm ci --silent
+npm run build
+
+# ── nginx config ─────────────────────────────────────────────────────────────
+info "Updating nginx config..."
+sed \
+  -e 's|http://backend:8000|http://127.0.0.1:8000|g' \
+  -e "s|/usr/share/nginx/html|$INSTALL_DIR/frontend/dist|g" \
+  "$INSTALL_DIR/docker/nginx.conf" > /etc/nginx/sites-available/homelable
+nginx -t && systemctl reload nginx
+
+# ── Restart backend ───────────────────────────────────────────────────────────
+info "Starting backend service..."
+systemctl start homelable-backend
+
+echo ""
+echo -e "  ${GREEN}Homelable updated successfully!${NC}"
+echo -e "  Running at http://$(hostname -I | awk '{print $1}')"
+echo ""