diff --git a/docker_postgres_backup.sh b/docker_postgres_backup.sh
new file mode 100644
index 0000000..9d79437
--- /dev/null
+++ b/docker_postgres_backup.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# /opt/backup/docker_postgres_backup.sh
+
+BACKUP_DIR="/opt/backup"
+RETENTION_DAYS=3 # Backups 3 Tage behalten
+DATE=$(date +'%Y-%m-%d')
+
+DATABASES=(
+  "keycloak-db:keycloak:keycloak"    # Keycloak DB
+  "odoo-db:odoo:busybox-demo"        # Aktuelle DB für odoo setzen
+)
+
+RESULTS=()
+
+mkdir -p "$BACKUP_DIR"
+
+for DB_ENTRY in "${DATABASES[@]}"; do
+    IFS=":" read -r CONTAINER DB_USER DB_NAME <<< "$DB_ENTRY"
+    FILENAME="${BACKUP_DIR}/${DATE}_db_${DB_NAME}.sql.gz"
+
+    if docker exec "$CONTAINER" pg_dump -U "$DB_USER" "$DB_NAME" | gzip > "$FILENAME"; then
+        RESULTS+=("\"$DB_NAME\":\"ok\"")
+    else
+        RESULTS+=("\"$DB_NAME\":\"error\"")
+    fi
+done
+
+# Alte Backups löschen
+find "$BACKUP_DIR" -name "*.sql.gz" -type f -mtime +$RETENTION_DAYS -exec rm {} \;
+
+# JSON-Ausgabe formatieren
+JSON_OUTPUT="{"
+JSON_OUTPUT+=$(IFS=, ; echo "${RESULTS[*]}")
+JSON_OUTPUT+="}"
+
+echo "$JSON_OUTPUT"
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