documentation review

docker/scripts/backupdb.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+# Script example for creating a dump
+# required environment variables:
+#   DB_BACKUP_TARGETFOLDER
+#   DB_HOST
+#   DB_USER
+#   DB_PASSWORD
+#   DB_NAME
+# Duplicati UI configure as a pre script
+# donwload from git
+# curl  https://git.limbosolutions.com/kb/duplicati/raw/branch/main/docker/scripts/backupdb.sh > backupdb.sh | chmod +x backupdb.sh
+
+set -e
+if [ -z ${DB_BACKUP_TARGETFOLDER} ]
+then
+      echo "\$DB_BACKUP_TARGETFOLDER cannot be empty empty"
+      exit -1
+fi
+
+
+
+TARGETFILENAME=db_dump_$(date -d "today" +"%Y%m%d%H%M%S").sql 
+
+if [ -f /tmp/${TARGETFILENAME} ]
+then
+    rm /tmp/${TARGETFILENAME}
+fi
+
+
+mysqldump -h ${DB_HOST} --user=${DB_USER} -p"${DB_PASSWORD}" ${DB_NAME} > /tmp/${TARGETFILENAME}
+
+
+if [ x$(find "$DB_BACKUP_TARGETFOLDER" -prune -empty) = x"$DB_BACKUP_TARGETFOLDER" ]; then
+echo "folder is empty... ignoring clean db dump folder"
+else
+rm -r ${DB_BACKUP_TARGETFOLDER}/* 
+fi
+
+mv /tmp/${TARGETFILENAME} ${DB_BACKUP_TARGETFOLDER}/${TARGETFILENAME}

docker/sqlclient.dockerfile

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+FROM duplicati/duplicati
+RUN apt update && apt install -y default-mysql-client && rm -rf /var/lib/apt/lists/*
+EXPOSE 8200