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Can you try with `config.require_object(...)` instead, which is needed for getting structured data from the config

Though there's a few things I'm unsure of in the code you've posted. Can you share the guide you're following please?

You have your configuration in a file named `Pulumi.template.yaml`, which would only be used if you had a Pulumi stack named “template”. Pulumi templates only work with `pulumi new`, so my advice to you would be…
1. Use `pulumi stack init` to create a stack.
2. Use `pulumi stack select &lt;name&gt;` to select the stack you just created.
3. Use `pulumi config set &lt;key&gt; &lt;value&gt;` to set the configuration values (like `pulumi config set instanceType t2.micro`).
4. Then run `pulumi up`.