gconfig support env vars defined in a config.yaml #42
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bhollis
reviewed
Mar 4, 2024
| @@ -23,7 +23,8 @@ go get -u github.com/drshriveer/gtools/gconfig | |||
| - **Dimensions:** A single configuration file may multiple "dimensions" that are resolved at runtime based on program flags to determine the variation of a setting to vend. Differentiating setting variables by environment/stage (e.g. Development, Beta, Prod) is a great example of how this can be leveraged. | |||
| - **Auto-flagging:** The configuration library will automatically turn dimensions into flags and parse them! (unless otherwise specified) | |||
| - **Env Parsing:** The configuration library will automatically parse dimensions environment variables. | |||
| - **GetDimension:** Extract a Dimension value via `gconfig.GetDimension[my.DimensionType](cfg)`. | |||
| - **GetDimension:** Extract a Dimension value via `gconfig.GetDimension[my.DimensionType](cfg)`. | |||
| - **Template Environmental Variables:** You can reference environmental variables in a config.yaml as values themselves! e.g. `var: ${{env: MY_ENV_VAR}}` will look up the variable `MY_ENV_VAR`. | |||
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Background
→ I've been theorizing about supporting "templated" config values that might extract values from other parts of yaml or from environmental variables. This pr adds support for environmental variables.
Changes
Testing