diff --git a/Dockerfile b/Dockerfile
index 7516a2a..58525d0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ RUN adduser -D -h /usr/local/app backup
 
 WORKDIR /usr/local/app
 
-COPY entrypoint.sh backup.sh reload.sh initdb.sql /usr/local/app/
+COPY entrypoint.sh backup.sh reload.sh insert.sh initdb.sql /usr/local/app/
 
 ENV USER=backup
 
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..d29df2c
--- /dev/null
+++ b/TODO
@@ -0,0 +1 @@
+- Clean old files if expiration age or iteration number is given
diff --git a/backup.sh b/backup.sh
index 918fcb1..9fa5eb1 100755
--- a/backup.sh
+++ b/backup.sh
@@ -3,7 +3,7 @@
 set -euo pipefail
 
 if [ "$#" -ne 1 ] ; then
-	usage "$0 <id>"
+	echo "usage: $0 <id>"
 	exit 1
 fi
 
@@ -17,15 +17,17 @@ function extract() {
 	echo "select $1 from files where id=$id" | sqlite3 db/db.sqlite
 }
 
+pass_file="$(mktemp)"
+
 # Extract variables from database
 username="$(extract username)"
-password="$(extract password)"
+extract password > "$pass_file"
 server="$(extract server)"
 export_path="$(extract export_path)"
 backup_url="$(extract backup_url)"
 
 # Create destination directory (fails if exists)
-curl -u "$username:$password" -X MKCOL "$server/remote.php/dav/files/$username/$export_path"
+curl -u "$username" -X MKCOL "$server/remote.php/dav/files/$username/$export_path" < "$pass_file"
 
 name="$(basename "$backup_url")"
 # Insert date before file extention
@@ -36,6 +38,6 @@ tmp="$(mktemp)"
 curl "$backup_url" > "$tmp"
 
 echo "Uploading as $export_path/$new_name"
-curl -u "$username:$password" -X PUT --data-binary "@$tmp" "$server/remote.php/dav/files/$username/$export_path/$new_name"
+curl -u "$username" -X PUT --data-binary "@$tmp" "$server/remote.php/dav/files/$username/$export_path/$new_name" < "$pass_file"
 
-rm "$tmp"
+rm "$tmp" "$pass_file"
diff --git a/build b/build
new file mode 100755
index 0000000..22bb7fd
--- /dev/null
+++ b/build
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -euo pipefail
+docker  build . --network host -t jeancloud/backup-to-nextcloud
+docker push jeancloud/backup-to-nextcloud
diff --git a/entrypoint.sh b/entrypoint.sh
index 30327ce..43a208f 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -32,7 +32,7 @@ while true ; do
                     echo "Invalid cron times for id=$id : '$cron_raw'"
                     continue
             fi
-            echo "$id 5 $cron backup.sh $id" >> "$cronfile"
+			echo "$(expr $id % 60) 5 $cron /usr/local/app/backup.sh $id" >> "$cronfile"
 
     done <"$tmp"
     rm "$tmp"
diff --git a/initdb.sql b/initdb.sql
index 753615e..1f2be90 100644
--- a/initdb.sql
+++ b/initdb.sql
@@ -5,5 +5,7 @@ CREATE TABLE files (
 	server text NOT NULL,
 	export_path text NOT NULL,
 	backup_url text NOT NULL,
-	crontab_time text NOT NULL
-)
+	crontab_time text NOT NULL,
+	expiration_age int DEFAULT NULL,
+	expiration_number int DEFAULT NULL
+);
diff --git a/insert.sh b/insert.sh
new file mode 100755
index 0000000..6c43a84
--- /dev/null
+++ b/insert.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+
+set -euo pipefail
+
+if [ "$#" -ne 5 ] ; then
+	echo "Usage: $0 <username> <server> <export_path> <backup_url> <crontab_time>"
+	exit 1
+fi
+
+username="$1"
+password=""
+server="$2"
+export_path="$3"
+backup_url="$4"
+crontab_time="$5"
+
+pass_file="$(mktemp)"
+while [ ! -s "$pass_file" ] ; do
+	echo -n 'Type password in: '
+	head -qn 1 /dev/stdin | tr -d '\n' > "$pass_file"
+done
+
+sql_req="$(mktemp)"
+echo -n "insert into files (username, password, server, export_path, backup_url, crontab_time) values ('$username','" > "$sql_req"
+cat "$pass_file" >> "$sql_req"
+echo -n "','$server','$export_path', '$backup_url', '$crontab_time');" >> "$sql_req"
+sqlite3 db/db.sqlite < "$sql_req"
+echo "Enregistrement terminé"
+
+rm "$sql_req" "$pass_file"
+
+./reload.sh