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46 lines
1.0 KiB
Markdown
46 lines
1.0 KiB
Markdown
## How to use
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1. Define a config structure, like below:
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```go
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type RestfulConf struct {
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Host string `json:",default=0.0.0.0"`
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Port int
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LogMode string `json:",options=[file,console]"
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Verbose bool `json:",optional"`
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MaxConns int `json:",default=10000"`
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MaxBytes int64 `json:",default=1048576"`
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Timeout time.Duration `json:",default=3s"`
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CpuThreshold int64 `json:",default=900,range=[0:1000]"`
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}
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```
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2. Write the yaml or json config file:
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```yaml
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# most fields are optional or have default values
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Port: 8080
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LogMode: console
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# you can use env settings
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MaxBytes: ${MAX_BYTES}
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```
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3. Load the config from a file:
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```go
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// exit on error
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var config RestfulConf
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conf.MustLoad(configFile, &config)
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// or handle the error on your own
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var config RestfulConf
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if err := conf.Load(configFile, &config); err != nil {
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log.Fatal(err)
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}
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// enable reading from environments
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var config RestfulConf
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conf.MustLoad(configFile, &config, conf.UseEnv())
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```
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