PAckage the custom modules and then install them in production
see:
Introduction to DotNetNuke Module Development
Upload The Survey Module
While logged into the DotNetNuke installation as the Host account, select Module Definitions from the Host menu.
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Then select Install New Module.
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From the File Upload page, navigate to the ".zip" file that you downloaded and click the Upload New File link.
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The module will upload...
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When you view the installed modules list (Host > Module Definitions), you will now see the Survey module.
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Next you will create a page to place the module on. On the Administrator control panel, click the Add link under the Page Functions section.
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Enter details for the page, ensuring that All Users are selected under the View Page column. When you have entered the information, click the Update link.
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Next, from the Administrator control panel, select Survey from the Module drop-down list and click the Add link.
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The Survey Module will now appear.
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