.

README.md

@@ -74,6 +74,7 @@ NTFY_ENABLED=true
 NTFY_TITLE="Docker Update ($(hostname))"
 NTFY_TOKEN="DEIN_TOKEN"
 NTFY_URL="https://ntfy.example.com/topic"
+NTFY_IMAGE_URL="http://dein-server/host-icon.png"
 NTFY_TAGS="docker,update"
 NTFY_ONLY_ON_CHANGES=false
 # Versions Nr. anzeigen (true/false)

config.conf

@@ -49,6 +49,7 @@ NTFY_ENABLED=true
 NTFY_TITLE="Docker Update ($(hostname))"
 NTFY_TOKEN="DEIN_TOKEN"
 NTFY_URL="https://ntfy.example.com/topic"
+NTFY_IMAGE_URL="http://dein-server/host-icon.png"
 NTFY_TAGS="docker,update"
 NTFY_ONLY_ON_CHANGES=false
 # Versions Nr. anzeigen (true/false)

config.conf_

@@ -0,0 +1,87 @@
+# =============================
+# =============================
+#            Pfade
+# =============================
+
+# Pfad zu deinen Compose-Files
+COMPOSE_DIR="/pfad/zu/deinen/stacks"
+# Logging
+LOG_FILE="/pfad/zum/log/update.log"
+LOG_LEVEL="INFO"   # DEBUG=sehr detailliert, INFO=Standard, WARN=nur wichtige Hinweise/Updates, ERROR=nur Fehler
+
+# Dateimuster
+COMPOSE_PATTERN="docker-compose.yml"
+
+# =============================
+# =============================
+#    Allgemein Einstellungen
+# =============================
+
+# Verhalten bei gestoppten Containern
+UPDATE_STOPPED=true      # Image aktualisieren
+START_STOPPED=false      # danach NICHT starten
+
+# Dry Run (true/false)
+DRY_RUN=false
+
+# =============================
+# =============================
+#           Exclude
+# =============================
+
+# Exclude Container
+EXCLUDE_SERVICES=(
+  "example_container_1"
+  "example_container_2"
+)
+
+# Exclude Stack
+EXCLUDE_STACKS=(
+  "example_stack_1"
+  "example_stack_2"
+)
+
+# =============================
+# =============================
+#            NTFY
+# =============================
+NTFY_ENABLED=true
+NTFY_TITLE="Docker Update ($(hostname))"
+NTFY_TOKEN="DEIN_TOKEN"
+NTFY_URL="https://ntfy.example.com/topic"
+NTFY_IMAGE_URL="http://dein-server/composeupdater.png"
+NTFY_TAGS="docker,update"
+NTFY_ONLY_ON_CHANGES=false
+# Versions Nr. anzeigen (true/false)
+SHOW_VERSIONS=true
+
+# =============================
+# =============================
+#       Docker Cleanup
+# =============================
+
+ENABLE_CLEANUP=true
+CLEANUP_ONLY_ON_UPDATE=true
+
+# Images:
+# 🟢 dangling → docker image prune    (nur <none> Images)
+# 🟢 unused   → docker image prune -a (alle ungenutzten Images)
+CLEANUP_IMAGES=true
+CLEANUP_IMAGES_MODE="unused"   # dangling | unused
+
+# Container:
+# entfernt gestoppte Container
+# 🟢 docker container prune
+CLEANUP_CONTAINERS=true
+
+# Volume:
+# entfernt ungenutzte Volumes
+# ⚠️ kann Daten löschen
+CLEANUP_VOLUMES=false
+
+# Networks:
+# entfernt ungenutzte Netzwerke
+# 🟢 meist unkritisch
+CLEANUP_NETWORKS=true
+
+# =============================

shell_docker_compose_update.sh

@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-BASE_DIR="$(dirname "$0")"
+BASE_DIR="$(cd "$(dirname "$0")" && pwd)"
 source "$BASE_DIR/config.conf"
 
 mkdir -p "$(dirname "$LOG_FILE")"
@@ -120,14 +120,26 @@ run_cmd() {
 send_ntfy() {
     local msg="$1"
     local prio="$2"
+    local image_url="${NTFY_IMAGE_URL:-}"
 
-    curl -s \
+    if [ -n "$image_url" ]; then
-      -H "Authorization: Bearer $NTFY_TOKEN" \
+        curl -s \
-      -H "Title: $NTFY_TITLE" \
+          -H "Authorization: Bearer $NTFY_TOKEN" \
-      -H "Priority: $prio" \
+          -H "Title: $NTFY_TITLE" \
-      -H "Tags: $NTFY_TAGS" \
+          -H "Priority: $prio" \
-      -d "$msg" \
+          -H "Tags: $NTFY_TAGS" \
-      "$NTFY_URL" > /dev/null || true
+          -H "Icon: $image_url" \
+          -d "$msg" \
+          "$NTFY_URL" > /dev/null || true
+    else
+        curl -s \
+          -H "Authorization: Bearer $NTFY_TOKEN" \
+          -H "Title: $NTFY_TITLE" \
+          -H "Priority: $prio" \
+          -H "Tags: $NTFY_TAGS" \
+          -d "$msg" \
+          "$NTFY_URL" > /dev/null || true
+    fi
 }
 
 get_docker_disk_usage() {