Jon Staab
37 lines
516 B
Go
37 lines
516 B
Go
package zooid
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import (
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"os"
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"strings"
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"sync"
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)
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var (
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env map[string]string
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envOnce sync.Once
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)
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func Env(k string, fallback ...string) (v string) {
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envOnce.Do(func() {
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env = make(map[string]string)
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env["PORT"] = "3334"
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env["DATA"] = "./data"
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env["MEDIA"] = "./media"
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env["CONFIG"] = "./config"
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for _, item := range os.Environ() {
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parts := strings.SplitN(item, "=", 2)
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env[parts[0]] = parts[1]
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}
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})
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v = env[k]
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if v == "" && len(fallback) > 0 {
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v = fallback[0]
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}
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return v
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}
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