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added docker image support

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* added environment variable support
* added docker instructions
* added .env hint
This commit is contained in:
T.v.Dein
2024-01-17 14:44:30 +01:00
committed by Thomas von Dein
parent 42a958fc4c
commit 3c93c9fce0
11 changed files with 174 additions and 2 deletions
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12
config.go
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@@ -23,9 +23,11 @@ import (
"os"
"path/filepath"
"runtime"
"strings"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/confmap"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/providers/posflag"
"github.com/knadh/koanf/v2"
@@ -162,7 +164,15 @@ func InitConfig(w io.Writer) (*Config, error) {
// else: we ignore the file if it doesn't exists
}
// command line overrides config file
// env overrides config file
if err := k.Load(env.Provider("KLEINGEBAECK_", ".", func(s string) string {
return strings.Replace(strings.ToLower(
strings.TrimPrefix(s, "KLEINGEBAECK_")), "_", ".", -1)
}), nil); err != nil {
return nil, errors.New("error loading environment: " + err.Error())
}
// command line overrides env
if err := k.Load(posflag.Provider(f, ".", k), nil); err != nil {
return nil, errors.New("error loading flags: " + err.Error())
}