speed up the roundtrip

infrastructure/backup/image/Dockerfile

@@ -2,5 +2,6 @@ FROM ubuntu:24.04
 
 # install it
 ADD resources /tmp/
-ADD local/ /usr/local/lib/dda-backup
 RUN /tmp/install.sh
+ADD local/ /usr/local/lib/dda-backup
+RUN init-bb.bb

infrastructure/backup/image/resources/install.sh

@@ -15,7 +15,7 @@ function babashka_install() {
 function main() {
     {
         upgradeSystem
-        apt-get install -qqy ca-certificates curl gnupg postgresql-client-16 restic openjdk-21-jre-headless
+        apt-get install -qqy ca-certificates curl gnupg postgresql-client-16 restic openjdk-21-jre-headless nano
         curl -Ss --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | tee /etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg
         sh -c 'echo "deb [signed-by=/etc/apt/trusted.gpg.d/postgresql-common_pgdg_archive_keyring.gpg] https://apt.postgresql.org/pub/repos/apt jammy-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
         upgradeSystem
@@ -23,8 +23,7 @@ function main() {
     } > /dev/null
 
     update-ca-certificates
-    /tmp/init.bb
-    
+    install -m 0700 -o root -g root /tmp/init-bb.bb /usr/local/bin/
     cleanupDocker
 }