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1-setup/README.md

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+# Scenario 1: Setting up Renovate
+
+Renovate is heavily opionated and brings a lot of defaults. To explore how Renovate works, we will restrict execution to the bare minimum and build up each scenario.
+
+## Requirements
+
+- Node.js 25.x
+
+## How to Run
+
+### 1. Run Renovate
+
+```bash
+$ npx renovate
+
+Need to install the following packages:
+renovate@37.440.7
+Ok to proceed? (y) y
+
+FATAL: You must configure a GitHub token
+ INFO: Renovate was run at log level "info". Set LOG_LEVEL=debug in environment variables to see extended debug logs.
+ INFO: Renovate is exiting with a non-zero code due to the following logged errors
+       "loggerErrors": [
+         {
+           "name": "renovate",
+           "level": 60,
+           "logContext": "lSbx4z8Fg9mvnJ44Hk3Ji",
+           "msg": "You must configure a GitHub token"
+         }
+       ]
+```
+
+This error is expected. Renovate needs a GitHub Personal Access Token (PAT), as Renovate initially wants to create Pull Requests for any pending updates.
+
+### 2. Create a GitHub PAT
+
+See [official documentation](https://docs.renovatebot.com/modules/platform/github/#running-using-a-fine-grained-token).
+
+```bash
+$ npx renovate --token=<PAT> --dry-run
+
+ WARN: cli config dryRun property has been changed to full
+ WARN: No repositories found - did you want to run with flag --autodiscover?
+ INFO: Renovate was run at log level "info". Set LOG_LEVEL=debug in environment variables to see extended debug logs.
+```
+
+
+## Next Steps
+
+Move to the next scenario: [2-dockerfile-dry-run](../2-dockerfile-dry-run)