basic config support

cmd/hooverdam/cmd/root.go

@@ -49,7 +49,10 @@ func loadConfig() *config.Config {
 
 func initConfig() {
 
-	viper.SetEnvPrefix("LAKEFS")
+	// Use experimental feature in 1.20 alpha https://github.com/spf13/viper/issues/1851
+	viper.SetOptions(viper.ExperimentalBindStruct())
+
+	viper.SetEnvPrefix("HOOVERDAM")
 	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) // support nested config
 	// read in environment variables
 	viper.AutomaticEnv()

go.mod

@@ -7,8 +7,9 @@ require (
 	github.com/go-chi/chi v1.5.5
 	github.com/go-chi/chi/v5 v5.1.0
 	github.com/go-chi/render v1.0.3
+	github.com/go-playground/validator/v10 v10.14.0
 	github.com/spf13/cobra v1.7.0
-	github.com/spf13/viper v1.17.0
+	github.com/spf13/viper v1.20.0-alpha.6
 	github.com/treeverse/lakefs v1.33.0
 	gorm.io/driver/postgres v1.5.9
 	gorm.io/gorm v1.25.12
@@ -34,13 +35,12 @@ require (
 	github.com/gin-gonic/gin v1.9.1 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.0.0 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/gomarkdown/markdown v0.0.0-20230716120725-531d2d74bc12 // indirect
 	github.com/google/uuid v1.5.0 // indirect
 	github.com/gorilla/css v1.0.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/iris-contrib/schema v0.0.6 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
@@ -62,25 +62,22 @@ require (
 	github.com/labstack/echo/v4 v4.12.0 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect
-	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailgun/raymond/v2 v2.0.48 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/microcosm-cc/bluemonday v1.0.25 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/sagikazarmark/locafero v0.3.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.6.0 // indirect
 	github.com/schollz/closestmatch v2.1.0+incompatible // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.10.0 // indirect
-	github.com/spf13/cast v1.5.1 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tdewolff/minify/v2 v2.12.9 // indirect
@@ -95,7 +92,6 @@ require (
 	go.uber.org/multierr v1.11.0 // indirect
 	golang.org/x/arch v0.3.0 // indirect
 	golang.org/x/crypto v0.23.0 // indirect
-	golang.org/x/exp v0.0.0-20231127185646-65229373498e // indirect
 	golang.org/x/net v0.24.0 // indirect
 	golang.org/x/sync v0.6.0 // indirect
 	golang.org/x/sys v0.20.0 // indirect