Build with Ubuntu 24.04 (#88)

* update README

* use ubuntu 24.04 for automatic building of images

README.md

@@ -22,14 +22,14 @@ AppDB can then be updated with that information.
 
 #### Requirements
 
-From a base Ubuntu 22.04, you can get a working building environment by
+From a base Ubuntu 24.04, you can get a working building environment by
 installing `packer`, `ansible`, `qemu`, and `jq`, e.g.:
 
 ```shell
 # get up to date system
 $ sudo apt-get update && sudo apt-get upgrade -y
 # Install packer
-$ curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
+$ curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo tee /etc/apt/trusted.gpg.d/hashicorp.asc
 $ sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
 $ sudo apt-get update && sudo apt-get install -y packer
 # Install other tools

builder/SCAI.tfvars

@@ -4,5 +4,5 @@ net_id = "c38b0272-637e-4665-a79c-1a37222b572c"
 # Flavor: medium 
 flavor_id = "73302761-40dc-4ced-91d6-7dd18524a82e"
 
-# Image: ubuntu 22.04
-image_id = "adeba762-ad84-406a-b082-dd055a27afb4"
+# Image: ubuntu 24.04
+image_id = "40df255c-1032-47f0-b52a-bd46ad462aa0"