| 1 | ## Usage of Environment Variables
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| 2 |
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| 3 | This app uses a few environment variables which are required for development. The production build uses values directly injected by the server serving this app.
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| 5 | We use [dotenv](https://github.com/motdotla/dotenv) for setting environment variables for development. Create a `.env' file in the root directory (wherever package.json is) and set the following values. Replace accordingly for testing.
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| 6 |
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| 7 | ```
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| 8 | PORT=3000
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| 9 | NODE_ENV=development
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| 10 | GRAPHQL_ENDPOINT=http://localhost:8090/v1alpha1/graphql
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| 11 | HEADER_STRING='{}'
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| 12 | VARIABLE_STRING='{}'
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| 13 | QUERY_STRING='query { test_table { id } }'
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| 14 | ```
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| 15 |
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| 16 | **Note**
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| 17 | The .env file should not be in version control.
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