add Dockerfile and config folder & files

Dockerfile

@@ -0,0 +1,18 @@
+FROM alpine:latest
+
+# Abhängigkeiten installieren
+RUN apk add --no-cache bash curl jq msmtp ca-certificates tzdata
+
+# Struktur anlegen
+RUN mkdir /app /config
+WORKDIR /app
+
+# Skript kopieren
+COPY multi-watch.sh /app/multi-watch.sh
+RUN chmod +x /app/multi-watch.sh
+
+# VOLUME markiert den Mount-Punkt für die Persistenz
+VOLUME ["/config"]
+
+# Startbefehl
+ENTRYPOINT ["/bin/bash", "/app/multi-watch.sh"]

config/watchdog.conf

@@ -1,6 +1,9 @@
 # E-Mail Einstellungen
 EMAIL_TO="empfaenger@beispiel.de"
-EMAIL_FROM="watchdog@dein-server.de"
+EMAIL_FROM="multi-watch@dein-server.de"
+
+# Intervall
+CHECK_INTERVAL=21600  # Alle 6 Stunden (in Sekunden)
 
 # Quellen (Format: TYPE|REPO|EXTRA)
 TARGETS=(
@@ -13,4 +16,4 @@ TARGETS=(
 SMTP_HOST="smtp.dein-anbieter.de"
 SMTP_PORT="587"
 SMTP_USER="dein-benutzername"
-SMTP_PASS="dein-passwort"
+SMTP_PASS="dein-passwort"

docker-compose.yml

@@ -2,8 +2,8 @@ services:
   multi-watch:
     image: git.pi-farm.de/pi-farm/multi-watch:1.0
     container_name: multi-watch
-    environment:
-      - PUID=1000
-      - PGID=1000
-      - TZ=Europe/Berlin
-    restart: unless-stopped
+    volumes:
+      - $(pwd)/config:/config
+      - /etc/localtime:/etc/localtime:ro
+    restart: unless-stopped
+

msmtprc

@@ -1,12 +0,0 @@
-defaults
-auth           on
-tls            on
-tls_trust_file /etc/ssl/certs/ca-certificates.crt
-logfile        /var/log/msmtp.log
-
-account        default
-host           smtp.dein-anbieter.de
-port           587
-from           deine-email@beispiel.de
-user           dein-benutzername
-password       dein-passwort

multi-watch.sh

@@ -1,33 +1,28 @@
 #!/bin/bash
 
-# Pfade definieren
 CONFIG_DIR="/config"
 CONFIG_FILE="$CONFIG_DIR/watchdog.conf"
 STATE_FILE="$CONFIG_DIR/watch_state.json"
 
-# 1. Prüfen, ob das Config-Verzeichnis existiert
-if [ ! -d "$CONFIG_DIR" ]; then
-    echo "Fehler: Verzeichnis $CONFIG_DIR nicht gefunden!"
-    exit 1
-fi
+while true; do
+    # 1. Config bei jedem Durchlauf neu laden (erlaubt Änderungen ohne Neustart)
+    if [ -f "$CONFIG_FILE" ]; then
+        source "$CONFIG_FILE"
+    else
+        echo "Fehler: $CONFIG_FILE nicht gefunden! Warte 60s..."
+        sleep 60
+        continue
+    fi
 
-# 2. Config laden
-if [ -f "$CONFIG_FILE" ]; then
-    source "$CONFIG_FILE"
-else
-    echo "Fehler: $CONFIG_FILE nicht gefunden!"
-    exit 1
-fi
+    # Standard-Intervall falls nicht definiert (1 Stunde)
+    INTERVAL=${CHECK_INTERVAL:-3600}
 
-# 3. msmtp Konfiguration dynamisch schreiben
-# (Nutzt die Variablen aus der watchdog.conf)
-cat <<EOF > /etc/msmtprc
+    # msmtp Konfig schreiben
+    cat <<EOF > /etc/msmtprc
 defaults
 auth           on
 tls            on
 tls_trust_file /etc/ssl/certs/ca-certificates.crt
-logfile        /var/log/msmtp.log
-
 account        default
 host           $SMTP_HOST
 port           $SMTP_PORT
@@ -35,54 +30,42 @@ from           $EMAIL_FROM
 user           $SMTP_USER
 password       $SMTP_PASS
 EOF
-chmod 600 /etc/msmtprc
+    chmod 600 /etc/msmtprc
 
-# 4. State-Datei initialisieren falls nötig
-if [ ! -f "$STATE_FILE" ] || [ ! -s "$STATE_FILE" ]; then 
-    echo "{}" > "$STATE_FILE"
-fi
+    if [ ! -f "$STATE_FILE" ] || [ ! -s "$STATE_FILE" ]; then echo "{}" > "$STATE_FILE"; fi
 
-UPDATES_FOUND=""
+    UPDATES_FOUND=""
+    echo "--- Starte Check: $(date) ---"
 
-# --- Logik-Schleife ---
-for entry in "${TARGETS[@]}"; do
-    IFS="|" read -r TYPE REPO EXTRA <<< "$entry"
-    
-    # Key-Generierung (Punkte und Slashes durch Unterstrich ersetzen)
-    KEY="${TYPE}_${REPO//[\/\.]/_}_${EXTRA}"
-    
-    # Alten Wert aus der JSON im /config/ Ordner lesen
-    OLD_VAL=$(jq -r ".[\"$KEY\"] // empty" "$STATE_FILE")
-    NEW_VAL=""
+    for entry in "${TARGETS[@]}"; do
+        IFS="|" read -r TYPE REPO EXTRA <<< "$entry"
+        KEY="${TYPE}_${REPO//[\/\.]/_}_${EXTRA}"
+        OLD_VAL=$(jq -r ".[\"$KEY\"] // empty" "$STATE_FILE")
+        NEW_VAL=""
 
-    if [ "$TYPE" == "DOCKER" ]; then
-        NEW_VAL=$(curl -s "https://hub.docker.com/v2/repositories/${REPO}/tags/${EXTRA}" | jq -r '.last_updated // empty')
-    elif [ "$TYPE" == "GITHUB" ]; then
-        NEW_VAL=$(curl -s "https://api.github.com/repos/${REPO}/branches/${EXTRA}" | jq -r '.commit.sha // empty')
+        if [ "$TYPE" == "DOCKER" ]; then
+            NEW_VAL=$(curl -s "https://hub.docker.com/v2/repositories/${REPO}/tags/${EXTRA}" | jq -r '.last_updated // empty')
+        elif [ "$TYPE" == "GITHUB" ]; then
+            NEW_VAL=$(curl -s "https://api.github.com/repos/${REPO}/branches/${EXTRA}" | jq -r '.commit.sha // empty')
+        fi
+
+        if [ -z "$NEW_VAL" ] || [ "$NEW_VAL" == "null" ]; then continue; fi
+
+        if [ -n "$OLD_VAL" ] && [ "$OLD_VAL" != "$NEW_VAL" ]; then
+            MSG="Update für $REPO ($EXTRA)! Alt: $OLD_VAL | Neu: $NEW_VAL"
+            echo "🔔 $MSG"
+            UPDATES_FOUND="${UPDATES_FOUND}${MSG}\n"
+        fi
+
+        TEMP_JSON=$(jq ".[\"$KEY\"] = \"$NEW_VAL\"" "$STATE_FILE")
+        echo "$TEMP_JSON" > "$STATE_FILE"
+    done
+
+    # Mail senden
+    if [ -n "$UPDATES_FOUND" ]; then
+        echo -e "Subject: Watchdog Alert\nFrom: $EMAIL_FROM\nTo: $EMAIL_TO\n\n$UPDATES_FOUND" | msmtp "$EMAIL_TO"
     fi
 
-    # Validierung der API-Antwort
-    if [ -z "$NEW_VAL" ] || [ "$NEW_VAL" == "null" ]; then 
-        echo "⚠️  Konnte Daten für $REPO ($EXTRA) nicht abrufen."
-        continue 
-    fi
-
-    # Vergleich
-    if [ -n "$OLD_VAL" ] && [ "$OLD_VAL" != "$NEW_VAL" ]; then
-        MSG="Update für $REPO ($EXTRA)! Alt: $OLD_VAL | Neu: $NEW_VAL"
-        echo "🔔 $MSG"
-        UPDATES_FOUND="${UPDATES_FOUND}${MSG}\n"
-    else
-        echo "✅ $REPO ($EXTRA) ist aktuell."
-    fi
-
-    # Neuen Wert in die JSON im /config/ Ordner schreiben
-    TEMP_JSON=$(jq ".[\"$KEY\"] = \"$NEW_VAL\"" "$STATE_FILE")
-    echo "$TEMP_JSON" > "$STATE_FILE"
-done
-
-# 5. Mail versenden, falls Updates gefunden wurden
-if [ -n "$UPDATES_FOUND" ]; then
-    echo -e "Subject: Watchdog Alert - Neue Versionen gefunden\nFrom: $EMAIL_FROM\nTo: $EMAIL_TO\n\nFolgende Änderungen wurden erkannt:\n\n$UPDATES_FOUND" | msmtp "$EMAIL_TO"
-    echo "Info: Benachrichtigung an $EMAIL_TO versendet."
-fi
+    echo "Check beendet. Nächster Scan in $INTERVAL Sekunden."
+    sleep "$INTERVAL"
+done

watch_state.json

@@ -1,6 +0,0 @@
-{
-  "DOCKER_library_ubuntu_latest": "2026-01-19T00:04:34.988138Z",
-  "DOCKER_grafana_grafana_9.5.0": "2023-04-26T06:56:09.639877Z",
-  "GITHUB_docker_cli_master": "727bc3ea5b2cccf0d1ef77d7049848851e973477",
-  "GITHUB_torvalds_linux_master": "b7ff7151e653aa296ab6c5495b2c1ab7c21eb250"
-}