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Switch to viper for config management.

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mikestefanello 2022-11-02 14:50:19 -04:00
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README.md
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@ -211,17 +211,20 @@ It is common that your tests will require access to dependencies, like the datab
The `config` package provides a flexible, extensible way to store all configuration for the application. Configuration is added to the `Container` as a _Service_, making it accessible across most of the application.
Be sure to review and adjust all of the default configuration values provided.
Be sure to review and adjust all of the default configuration values provided in `config/config.yaml`.
### Environment overrides
Leveraging the functionality of [envdecode](https://github.com/joeshaw/envdecode), all configuration values can be overridden by environment variables. Here is an example of what a configuration value looks like, each of which is a field on a struct:
Leveraging the functionality of [viper](https://github.com/spf13/viper) to manage configuration, all configuration values can be overridden by environment variables. The name of the variable is determined by the set prefix and the name of the configuration field in `config/config.yaml`.
```go
Port uint16 `env:"HTTP_PORT,default=8000"`
In `config/config.go`, the prefix is set as `pagoda` via `viper.SetEnvPrefix("pagoda")`. Nested fields require an underscore between levels. For example:
```yaml
cache:
port: 1234
```
The value for this field will be set to `8000`, the default, unless the `HTTP_PORT` environment variable is set, in which case the value of the variable will be used. This allows you to easily override configuration values per-environment.
can be overridden by setting an environment variable with the name `PAGODA_CACHE_PORT`.
### Environments
@ -1231,7 +1234,6 @@ Thank you to all of the following amazing projects for making this possible.
- [echo](https://github.com/labstack/echo)
- [echo-contrib](https://github.com/labstack/echo-contrib)
- [ent](https://github.com/ent/ent)
- [envdecode](https://github.com/joeshaw/envdecode)
- [go](https://go.dev/)
- [gocache](https://github.com/eko/gocache)
- [goquery](https://github.com/PuerkitoBio/goquery)
@ -1245,3 +1247,4 @@ Thank you to all of the following amazing projects for making this possible.
- [sessions](https://github.com/gorilla/sessions)
- [testify](https://github.com/stretchr/testify)
- [validator](https://github.com/go-playground/validator)
- [viper](https://github.com/spf13/viper)