docs: fix self-hosting section in deploy docs

- Move --local-build param to correct location with other options
- Fix self-hosting link to /self-hosting/overview
- Show simple deploy command first (after CLI login)
- Move CI env vars mention to secondary position

Author: claude

docs/snippets/cli-commands-deploy.mdx

@@ -77,6 +77,10 @@ npx trigger.dev@latest deploy [path]
   Turn off syncing environment variables with the Trigger.dev instance.
 </ParamField>
 
+<ParamField body="Local build" type="--local-build">
+  Force building the deployment image locally using your local Docker. This is automatic when self-hosting.
+</ParamField>
+
 ### Common options
 
 These options are available on most commands.
@@ -85,14 +89,10 @@ These options are available on most commands.
 
 ### Self-hosting
 
-When [self-hosting](/open-source-self-hosting), builds are performed locally by default. Set the `TRIGGER_ACCESS_TOKEN` environment variable and point to your self-hosted instance using `TRIGGER_API_URL` or `--api-url`:
+When [self-hosting](/self-hosting/overview), builds are performed locally by default. Once you've logged in to your self-hosted instance using the CLI, you can deploy with:
 
 ```bash
-TRIGGER_ACCESS_TOKEN=your_token TRIGGER_API_URL=https://your-trigger-instance.com npx trigger.dev@latest deploy
+npx trigger.dev@latest deploy
 ```
 
-For CI/CD setup with self-hosting, see the [GitHub Actions guide](/github-actions#self-hosting).
-
-<ParamField body="Local build" type="--local-build">
-  Force building the deployment image locally using your local Docker. This is automatic when self-hosting.
-</ParamField>
+For CI/CD environments, set `TRIGGER_ACCESS_TOKEN` and `TRIGGER_API_URL` environment variables. See the [GitHub Actions guide](/github-actions#self-hosting) for more details.