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feat(config): allow env variables inside config #99

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Dec 12, 2024
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feat(config): allow env variables inside config #99

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17 changes: 15 additions & 2 deletions internal/domain/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import (

"github.com/knadh/koanf"
"github.com/knadh/koanf/parsers/yaml"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/providers/rawbytes"
"github.com/pkg/errors"
"github.com/rs/zerolog/log"
)
Expand Down Expand Up @@ -123,7 +123,20 @@ func NewConfig(configPath string) *Config {
}
}

if err := k.Load(file.Provider(configPath), yaml.Parser()); err != nil {
content, err := os.ReadFile(configPath)
if err != nil {
log.Fatal().
Err(err).
Str("service", "config").
Msgf("failed reading %q", configPath)
}

// expand env vars
expandedContent := os.ExpandEnv(string(content))
provider := rawbytes.Provider([]byte(expandedContent))

// load
if err := k.Load(provider, yaml.Parser()); err != nil {
log.Fatal().
Err(err).
Str("service", "config").
Expand Down
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