use konaf instead of viper

cmd/jwk/create.go

@@ -6,6 +6,7 @@ import (
 	"github.com/teamhanko/hanko/config"
 	"github.com/teamhanko/hanko/crypto/jwk"
 	"github.com/teamhanko/hanko/persistence"
+	"log"
 )
 
 func NewCreateCommand(cfg *config.Config, persister persistence.Persister) *cobra.Command {
@@ -18,8 +19,7 @@ func NewCreateCommand(cfg *config.Config, persister persistence.Persister) *cobr
 			jwkPersister := persister.GetJwkPersister()
 			_, err := jwk.NewDefaultManager(cfg.Secrets.Keys, jwkPersister)
 			if err != nil {
-				fmt.Println(err)
-				return
+				log.Fatal(err)
 			}
 		},
 	}

cmd/migrate/down.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"github.com/spf13/cobra"
 	"github.com/teamhanko/hanko/persistence"
-	"os"
+	"log"
 	"strconv"
 )
 
@@ -26,8 +26,7 @@ func NewMigrateDownCommand(persister persistence.Migrator) *cobra.Command {
 			fmt.Println("migrate down called")
 			err := persister.MigrateDown(steps)
 			if err != nil {
-				fmt.Println(err)
-				os.Exit(1)
+				log.Fatal(err)
 			}
 		},
 	}

cmd/migrate/up.go

@@ -1,10 +1,9 @@
 package migrate
 
 import (
-	"fmt"
 	"github.com/spf13/cobra"
 	"github.com/teamhanko/hanko/persistence"
-	"os"
+	"log"
 )
 
 func NewMigrateUpCommand(persister persistence.Migrator) *cobra.Command {
@@ -15,8 +14,7 @@ func NewMigrateUpCommand(persister persistence.Migrator) *cobra.Command {
 		Run: func(cmd *cobra.Command, args []string) {
 			err := persister.MigrateUp()
 			if err != nil {
-				fmt.Println(err)
-				os.Exit(1)
+				log.Fatal(err)
 			}
 		},
 	}

cmd/root.go

@@ -12,7 +12,7 @@ import (
 	"github.com/teamhanko/hanko/cmd/serve"
 	"github.com/teamhanko/hanko/config"
 	"github.com/teamhanko/hanko/persistence"
-	"os"
+	"log"
 )
 
 var (
@@ -28,12 +28,11 @@ func NewRootCmd() *cobra.Command {
 	cmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file")
 	err := initConfig()
 	if err != nil {
-		_, _ = fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
+		log.Fatal(err)
 	}
 	err = initPersister()
 	if err != nil {
-		os.Exit(1)
+		log.Fatal(err)
 	}
 	migrate.RegisterCommands(cmd, persister)
 	serve.RegisterCommands(cmd, cfg, persister)
@@ -49,12 +48,16 @@ func Execute() {
 
 	err := cmd.Execute()
 	if err != nil {
-		os.Exit(1)
+		log.Fatal(err)
 	}
 }
 
 func initConfig() error {
-	cfg = config.Load(&cfgFile)
+	var err error
+	cfg, err = config.Load(&cfgFile)
+	if err != nil {
+		return fmt.Errorf("failed to load config: %w", err)
+	}
 	return cfg.Validate()
 }
 

config/config.go

@@ -3,9 +3,11 @@ package config
 import (
 	"errors"
 	"fmt"
-	"github.com/spf13/viper"
-	"path/filepath"
-	"runtime"
+	"github.com/knadh/koanf"
+	"github.com/knadh/koanf/parsers/yaml"
+	"github.com/knadh/koanf/providers/env"
+	"github.com/knadh/koanf/providers/file"
+	"log"
 	"strings"
 )
 
@@ -20,39 +22,37 @@ type Config struct {
 	Cookies  Cookie
 }
 
-// Load loads config from given file or default places
-func Load(cfgFile *string) *Config {
+func Load(cfgFile *string) (*Config, error) {
+	k := koanf.New(".")
+	var err error
 	if cfgFile != nil && *cfgFile != "" {
-		// Use given config file
-		viper.SetConfigFile(*cfgFile)
+		if err = k.Load(file.Provider(*cfgFile), yaml.Parser()); err == nil {
+			log.Println("Using config file:", *cfgFile)
+		} else {
+			log.Println("Failed to load config from:", *cfgFile)
+		}
 	} else {
-		// Use config file from default places
-		// Get base path of binary call
-		_, b, _, _ := runtime.Caller(0)
-		basePath := filepath.Dir(b)
-
-		viper.SetConfigType("yaml")
-		viper.AddConfigPath(basePath)
-		viper.AddConfigPath("/etc/config")
-		viper.AddConfigPath("/etc/secrets")
-		viper.AddConfigPath("./config")
-		viper.SetConfigName("hanko-config")
+		if err = k.Load(file.Provider("./config/config.yaml"), yaml.Parser()); err == nil {
+			log.Println("Using config file:", "./config/config.yaml")
+		} else {
+			log.Println("failed to load config from:", "./config/config.yaml")
+		}
 	}
 
-	viper.AutomaticEnv()
-	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
-
-	var err error
-	if err = viper.ReadInConfig(); err == nil {
-		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	err = k.Load(env.Provider("", ".", func(s string) string {
+		return strings.Replace(strings.ToLower(s), "_", ".", -1)
+	}), nil)
+	if err != nil {
+		log.Println("failed to load config from env vars")
 	}
+
 	c := defaultConfig()
-	err = viper.Unmarshal(c)
+	err = k.Unmarshal("", c)
 	if err != nil {
-		panic(fmt.Sprintf("unable to decode config into struct, %v", err))
+		return nil, fmt.Errorf("failed to unmarshal config: %w", err)
 	}
 
-	return c
+	return c, nil
 }
 
 func defaultConfig() *Config {
@@ -136,8 +136,8 @@ type Password struct {
 
 type Cookie struct {
 	Domain   string
-	HttpOnly bool   `mapstructure:"http_only"`
-	SameSite string `mapstructure:"same_site"`
+	HttpOnly bool   `koanf:"http_only"`
+	SameSite string `koanf:"same_site"`
 }
 
 type ServerSettings struct {
@@ -155,7 +155,7 @@ func (s *ServerSettings) Validate() error {
 
 // WebauthnSettings defines the settings for the webauthn authentication mechanism
 type WebauthnSettings struct {
-	RelyingParty RelyingParty `mapstructure:"relying_party"`
+	RelyingParty RelyingParty `koanf:"relying_party"`
 	Timeout      int
 }
 
@@ -167,7 +167,7 @@ func (r *WebauthnSettings) Validate() error {
 // RelyingParty webauthn settings for your application using hanko.
 type RelyingParty struct {
 	Id          string
-	DisplayName string `mapstructure:"display_name"`
+	DisplayName string `koanf:"display_name"`
 	Icon        string
 	Origin      string
 }
@@ -197,8 +197,8 @@ func (s *SMTP) Validate() error {
 }
 
 type Email struct {
-	FromAddress string `mapstructure:"from_address"`
-	FromName    string `mapstructure:"from_name"`
+	FromAddress string `koanf:"from_address"`
+	FromName    string `koanf:"from_name"`
 }
 
 func (e *Email) Validate() error {

config/config.yaml

@@ -0,0 +1,16 @@
+database:
+  user: hanko
+  password: hanko
+  host: localhost
+  port: 5432
+  dialect: postgres
+passcode:
+  email:
+    from_address: [email protected]
+  smtp:
+    host: smtp.example.com
+    user: example
+    password: example
+secrets:
+  keys:
+    - abcedfghijklmnopqrstuvwxyz

deploy/docker-compose/quickstart.yaml

@@ -4,9 +4,9 @@ services:
     image: ghcr.io/teamhanko/hanko:main
     volumes:
       - type: bind
-        source: ../../config/quickstart.yaml
-        target: /etc/config/hanko-config.yaml
-    command: --config /etc/config/hanko-config.yaml migrate up
+        source: ../../config/config.yaml
+        target: /etc/config/config.yaml
+    command: --config /etc/config/config.yaml migrate up
     restart: on-failure
     depends_on:
       - postgresd
@@ -20,11 +20,11 @@ services:
       - '8000:8000' # public
       - '8001:8001' # private
     restart: unless-stopped
-    command: serve --config /etc/config/hanko-config.yaml
+    command: serve --config /etc/config/config.yaml
     volumes:
       - type: bind
-        source: ../../config/quickstart.yaml
-        target: /etc/config/hanko-config.yaml
+        source: ../../config/config.yaml
+        target: /etc/config/config.yaml
     networks:
       - intranet
   postgresd:
@@ -45,4 +45,4 @@ services:
 #    networks:
 #      - intranet
 networks:
-  intranet:
+  intranet:

go.mod

@@ -7,11 +7,11 @@ require (
 	github.com/gobuffalo/pop/v6 v6.0.1
 	github.com/gobuffalo/validate/v3 v3.3.1
 	github.com/gofrs/uuid v4.2.0+incompatible
+	github.com/knadh/koanf v1.4.1
 	github.com/labstack/echo/v4 v4.7.2
 	github.com/lestrrat-go/jwx/v2 v2.0.0-beta2
 	github.com/nicksnyder/go-i18n/v2 v2.2.0
 	github.com/spf13/cobra v1.4.0
-	github.com/spf13/viper v1.10.1
 	github.com/stretchr/testify v1.7.1
 	golang.org/x/text v0.3.7
 	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
@@ -42,7 +42,6 @@ require (
 	github.com/golang-jwt/jwt/v4 v4.4.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/gorilla/css v1.0.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.10.1 // indirect
@@ -63,23 +62,20 @@ require (
 	github.com/lestrrat-go/iter v1.0.2 // indirect
 	github.com/lestrrat-go/option v1.0.0 // indirect
 	github.com/luna-duclos/instrumentedsql v1.1.3 // indirect
-	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
 	github.com/microcosm-cc/bluemonday v1.0.16 // indirect
+	github.com/mitchellh/copystructure v1.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mitchellh/reflectwalk v1.0.2 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.8.0 // indirect
 	github.com/sergi/go-diff v1.2.0 // indirect
 	github.com/sourcegraph/annotate v0.0.0-20160123013949-f4cad6c6324d // indirect
 	github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e // indirect
-	github.com/spf13/afero v1.6.0 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
@@ -90,6 +86,5 @@ require (
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
-	gopkg.in/ini.v1 v1.66.2 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )