refactor: prejmenovat docker-update.sh na docker-update-telegram.sh

V tomto repo docker-update.sh je server-side skript s Telegram
notifikaci, zatimco v mates-install-scripts/docker-update.sh
je jiny (obecny, bez Telegramu). Stejny nazev ve 2 repo matou.

Prejmenovano:
- scripts/docker-update.sh -> scripts/docker-update-telegram.sh
- systemd/docker-update.service: ExecStart spravne

masters-install-scripts/docker-update.sh zustava jak je (je to
jiny nastroj).

scripts/docker-update-telegram.sh

@@ -0,0 +1,122 @@
+#!/bin/bash
+#
+# docker-update.sh - aktualizace Docker Compose projektu na tomto serveru
+# (docker compose pull + up -d) + Telegram notifikace.
+#
+# Spust jednou rucne: bash docker-update.sh
+# Spust automaticky: systemd timer docker-update.timer (kazdou sobotu 18:00)
+#
+# Konfigurace: /home/mates/.telegram.conf
+# Log: /home/mates/skripty/update-docker-script/docker-update.log
+#
+
+set -euo pipefail
+
+# === KONFIGURACE ===
+USER_NAME="mates"
+WORK_DIR="/home/$USER_NAME"
+ZAKLADNI_SLOZKA="$WORK_DIR/docker"
+LOG="$WORK_DIR/skripty/update-docker-script/docker-update.log"
+CONFIG_FILE="$WORK_DIR/.telegram.conf"
+DATUM=$(date '+%Y-%m-%d %H:%M:%S')
+HOST=$(hostname)
+
+# Seznam sluzeb k aktualizaci (uprav podle potreby)
+AKTUALIZOVAT=(
+ audiobookshelf
+ calibre-web
+ glance
+ homeassistant
+ jswiki
+ plex
+ portainer
+ rustdesk
+ speedtest
+ vaultwarden
+ nginx
+)
+
+# === TELEGRAM KONFIGURACE ===
+if [[ -f "$CONFIG_FILE" ]]; then
+ # shellcheck disable=SC1090
+ source "$CONFIG_FILE"
+fi
+TELEGRAM_BOT_TOKEN="${TELEGRAM_BOT_TOKEN:-}"
+TELEGRAM_CHAT_ID="${TELEGRAM_CHAT_ID:-}"
+
+# === TELEGRAM HELPER ===
+send_msg() {
+ local TEXT="$1"
+
+ if [[ -z "$TELEGRAM_BOT_TOKEN" || -z "$TELEGRAM_CHAT_ID" ]]; then
+ echo "$DATUM ️ Telegram neni nakonfigurovan, preskakuji" >> "$LOG"
+ return 0
+ fi
+
+ curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
+ -d chat_id="${TELEGRAM_CHAT_ID}" \
+ -d text="$TEXT" \
+ -d parse_mode="Markdown" \
+ --max-time 10 \
+ --retry 3 > /dev/null || echo "$DATUM ️ Telegram chyba" >> "$LOG"
+}
+
+# === HLAVNI LOGIKA ===
+echo "$DATUM === docker-update.sh spusten ===" >> "$LOG"
+send_msg " *[$HOST]* Spoustim aktualizaci Docker kontejneru..."
+
+# Vytvor log adresar pokud neexistuje
+mkdir -p "$(dirname "$LOG")"
+
+AKTUALIZOVANO=()
+CHYBY=()
+
+for SLUZBA in "${AKTUALIZOVAT[@]}"; do
+ SLUZBA_PATH="$ZAKLADNI_SLOZKA/$SLUZBA"
+
+ if [[ ! -d "$SLUZBA_PATH" ]]; then
+ echo "$DATUM SKIP: $SLUZBA (slozka neexistuje)" >> "$LOG"
+ continue
+ fi
+
+ if [[ ! -f "$SLUZBA_PATH/docker-compose.yml" ]]; then
+ echo "$DATUM SKIP: $SLUZBA (docker-compose.yml chybi)" >> "$LOG"
+ continue
+ fi
+
+ echo "$DATUM === Aktualizuji: $SLUZBA ===" >> "$LOG"
+
+ cd "$SLUZBA_PATH"
+
+ # Stahnout nove image
+ if docker compose pull 2>>"$LOG"; then
+ # Restart s novym image
+ if docker compose up -d 2>>"$LOG"; then
+ AKTUALIZOVANO+=("$SLUZBA")
+ echo "$DATUM OK: $SLUZBA aktualizovan" >> "$LOG"
+ else
+ CHYBY+=("$SLUZBA (up)")
+ echo "$DATUM CHYBA: $SLUZBA - up -d selhalo" >> "$LOG"
+ fi
+ else
+ CHYBY+=("$SLUZBA (pull)")
+ echo "$DATUM CHYBA: $SLUZBA - pull selhalo" >> "$LOG"
+ fi
+done
+
+# === SOUHRN ===
+POCET_OK=${#AKTUALIZOVANO[@]}
+POCET_CHYB=${#CHYBY[@]}
+
+if [[ $POCET_CHYB -eq 0 ]]; then
+ send_msg " *[$HOST]* Docker aktualizace dokoncena.
+Aktualizovano: $POCET_OK sluzeb
+Seznam: ${AKTUALIZOVANO[*]}"
+else
+ send_msg "️ *[$HOST]* Docker aktualizace dokoncena s chybami.
+Aktualizovano: $POCET_OK
+Chyby: ${CHYBY[*]}"
+fi
+
+echo "$DATUM === docker-update.sh dokoncen ===" >> "$LOG"
+exit 0