Example: Install tools
Application images are designed to be as lightweight as possible, and as such, common tools you might expect to see in a regular cloud image might not be available.
You can use hooks to install packages that you require for your application. In this example, we’ll install
To do so, create a new addon with the following
#!/bin/bash -e # We only need to install things once when the image is being created, so we # don't need to execute the hook when users are running the application. if [ "$CONTAINER_TYPE" = "regular" ]; then exit 0 fi apt update -q apt install -y curl python3
When an application is created or updated with this addon, both
python3 will be installed and made available for other hooks to use.
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