feat: support whole config as env (#6336)

* fix existing env vars

* feat: support all config by env

* cleanup

* remove system users hook

* decode system users in setup

cmd/defaults.yaml

@@ -1,7 +1,7 @@
 Log:
   Level: info # ZITADEL_LOG_LEVEL
   Formatter:
-    Format: text # ZITADEL_LOG_LEVEL
+    Format: text # ZITADEL_LOG_FORMATTER_FORMAT
 
 # Exposes metrics on /debug/metrics
 Metrics:
@@ -29,7 +29,7 @@ Telemetry:
   # As long as Enabled is true, ZITADEL tries to send usage data to the configured Telemetry.Endpoints.
   # Data is projected by ZITADEL even if Enabled is false.
   # This means that switching this to true makes ZITADEL try to send past data.
-  Enabled: false
+  Enabled: false # ZITADEL_TELEMETRY_ENABLED
   # Push telemetry data to all these endpoints at least once using an HTTP POST request.
   # If one endpoint returns an unsuccessful response code or times out,
   # ZITADEL retries to push the data point to all configured endpoints until it succeeds.
@@ -40,7 +40,9 @@ Telemetry:
   Endpoints:
     - https://httpbin.org/post
   # These headers are sent with every request to the configured endpoints.
-  Headers:
+  # Configure headers by environment variable using a JSON string with header values as arrays, like this:
+  # ZITADEL_TELEMETRY_HEADERS='{"header1": ["value1"], "header2": ["value2", "value3"]}'
+  Headers: # ZITADEL_TELEMETRY_HEADERS
   # single-value: "single-value"
   # multi-value:
   #   - "multi-value-1"
@@ -85,7 +87,7 @@ HTTP2HostHeader: ":authority" # ZITADEL_HTTP2HOSTHEADER
 # Header name of HTTP1 calls from which the instance will be matched
 HTTP1HostHeader: "host" # ZITADEL_HTTP1HOSTHEADER
 
-WebAuthNName: ZITADEL # ZITADEL_WEBAUTHN_NAME
+WebAuthNName: ZITADEL # ZITADEL_WEBAUTHNNAME
 
 Database:
   # ZITADEL manages three database connection pools.
@@ -170,7 +172,7 @@ Machine:
       Enabled: true # ZITADEL_MACHINE_IDENTIFICATION_WEBHOOK_ENABLED
       Url: "http://metadata.google.internal/computeMetadata/v1/instance/id" # ZITADEL_MACHINE_IDENTIFICATION_WEBHOOK_URL
       Headers:
-        "Metadata-Flavor": "Google" # ZITADEL_MACHINE_IDENTIFICATION_WEBHOOK_HEADERS
+        "Metadata-Flavor": "Google"
     #
     # AWS EC2 IMDSv1 Configuration: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
     # Webhook:
@@ -205,7 +207,7 @@ Projections:
   # Time interval between scheduled projections
   RequeueEvery: 60s # ZITADEL_PROJECTIONS_REQUEUEEVERY
   # Time between retried database statements resulting from projected events
-  RetryFailedAfter: 1s # ZITADEL_PROJECTIONS_RETRYFAILED
+  RetryFailedAfter: 1s # ZITADEL_PROJECTIONS_RETRYFAILEDAFTER
   # Retried execution number of database statements resulting from projected events
   MaxFailureCount: 5 # ZITADEL_PROJECTIONS_MAXFAILURECOUNT
   # Limit of returned events per query
@@ -378,28 +380,28 @@ Console:
 EncryptionKeys:
   DomainVerification:
     EncryptionKeyID: "domainVerificationKey" # ZITADEL_ENCRYPTIONKEYS_DOMAINVERIFICATION_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_DOMAINVERIFICATION_DECRYPTIONKEYIDS (comma separated list)
   IDPConfig:
     EncryptionKeyID: "idpConfigKey" # ZITADEL_ENCRYPTIONKEYS_IDPCONFIG_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_IDPCONFIG_DECRYPTIONKEYIDS (comma separated list)
   OIDC:
     EncryptionKeyID: "oidcKey" # ZITADEL_ENCRYPTIONKEYS_OIDC_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_OIDC_DECRYPTIONKEYIDS (comma separated list)
   SAML:
     EncryptionKeyID: "samlKey" # ZITADEL_ENCRYPTIONKEYS_SAML_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_SAML_DECRYPTIONKEYIDS (comma separated list)
   OTP:
     EncryptionKeyID: "otpKey" # ZITADEL_ENCRYPTIONKEYS_OTP_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_OTP_DECRYPTIONKEYIDS (comma separated list)
   SMS:
     EncryptionKeyID: "smsKey" # ZITADEL_ENCRYPTIONKEYS_SMS_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_SMS_DECRYPTIONKEYIDS (comma separated list)
   SMTP:
     EncryptionKeyID: "smtpKey" # ZITADEL_ENCRYPTIONKEYS_SMTP_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_SMTP_DECRYPTIONKEYIDS (comma separated list)
   User:
     EncryptionKeyID: "userKey" # ZITADEL_ENCRYPTIONKEYS_USER_ENCRYPTIONKEYID
-    DecryptionKeyIDs:
+    DecryptionKeyIDs: # ZITADEL_ENCRYPTIONKEYS_USER_DECRYPTIONKEYIDS (comma separated list)
   CSRFCookieKeyID: "csrfCookieKey" # ZITADEL_ENCRYPTIONKEYS_CSRFCOOKIEKEYID
   UserAgentCookieKeyID: "userAgentCookieKey" # ZITADEL_ENCRYPTIONKEYS_USERAGENTCOOKIEKEYID
 
@@ -426,6 +428,8 @@ SystemAPIUsers:
 # - superuser2:
 #     # If no memberships are specified, the user has a membership of type System with the role "SYSTEM_OWNER"
 #     KeyData: <base64 encoded key>     # or you can directly embed it as base64 encoded value
+# Configure the SystemAPIUsers by environment variable using JSON notation:
+# ZITADEL_SYSTEMAPIUSERS='{"systemuser":{"Path":"/path/to/superuser/key.pem"},"systemuser2":{"KeyData":"<base64 encoded key>"}}'
 
 #TODO: remove as soon as possible
 SystemDefaults:
@@ -457,13 +461,13 @@ SystemDefaults:
     #   Threads: 4 # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_THREADS
 
     # Hasher:
-    #   Algorithm: "scrypt"
+    #   Algorithm: "scrypt" # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_ALGORITHM
-    #   Cost: 15
+    #   Cost: 15 # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_COST
 
     # Hasher:
-    #   Algorithm: "pbkdf2"
+    #   Algorithm: "pbkdf2" # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_ALGORITHM
-    #   Rounds: 290000
+    #   Rounds: 290000 # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_ROUNDS
-    #   Hash: "sha256" # Can be "sha1", "sha224", "sha256", "sha384" or "sha512"
+    #   Hash: "sha256" # Can be "sha1", "sha224", "sha256", "sha384" or "sha512" # ZITADEL_SYSTEMDEFAULTS_PASSWORDHASHER_HASHER_HASH
 
     # Verifiers enable the possibility of verifying
     # passwords that are previously hashed using another
@@ -509,7 +513,7 @@ SystemDefaults:
 Actions:
   HTTP:
     # Wildcard sub domains are currently unsupported
-    DenyList:
+    DenyList: # ZITADEL_ACTIONS_HTTP_DENYLIST (comma separated list)
       - localhost
       - "127.0.0.1"
 
@@ -727,6 +731,9 @@ DefaultInstance:
     From: # ZITADEL_DEFAULTINSTANCE_SMTPCONFIGURATION_FROM
     FromName: # ZITADEL_DEFAULTINSTANCE_SMTPCONFIGURATION_FROMNAME
     ReplyToAddress: # ZITADEL_DEFAULTINSTANCE_SMTPCONFIGURATION_REPLYTOADDRESS
+  # Configure the MessageTexts by environment variable using JSON notation:
+  # ZITADEL_DEFAULTINSTANCE_MESSAGETEXTS='[{"messageTextType": "InitCode", "title": "My custom title"},{"messageTextType": "PasswordReset", "greeting": "Hi there!"}]'
+  # Beware that if you configure the MessageTexts by environment variable, all the default MessageTexts are lost.
   MessageTexts:
     - MessageTextType: InitCode
       Language: de
@@ -857,7 +864,9 @@ DefaultInstance:
 
     # "actions.all.runs.seconds"
     # The sum of all actions run durations in seconds
-    Items:
+    # Configure the Items by environment variable using JSON notation:
+    # ZITADEL_DEFAULTINSTANCE_QUOTAS_ITEMS='[{"unit": "requests.all.authenticated", "notifications": [{"percent": 100}]}]'
+    Items: # ZITADEL_DEFAULTINSTANCE_QUOTAS_ITEMS
 #      - Unit: "requests.all.authenticated"
 #        # From defines the starting time from which the current quota period is calculated.
 #        # This is relevant for querying the current usage.
@@ -884,6 +893,9 @@ DefaultInstance:
 AuditLogRetention: 0s # ZITADEL_AUDITLOGRETENTION
 
 InternalAuthZ:
+  # Configure the RolePermissionMappings by environment variable using JSON notation:
+  # ZITADEL_INTERNALAUTHZ_ROLEPERMISSIONMAPPINGS='[{"role": "IAM_OWNER", "permissions": ["iam.read", "iam.write"]}]'
+  # Beware that if you configure the RolePermissionMappings by environment variable, all the default RolePermissionMappings are lost.
   RolePermissionMappings:
     - Role: "SYSTEM_OWNER"
       Permissions:

cmd/hooks/complex.go

@@ -0,0 +1,35 @@
+package hooks
+
+import (
+	"encoding/json"
+	"net/http"
+	"reflect"
+)
+
+func SliceTypeStringDecode[T any](from, to reflect.Value) (any, error) {
+	into := make([]T, 0)
+	return complexTypeStringDecodeHook(from, to, into)
+}
+
+func MapTypeStringDecode[K ~string | ~int, V any](from, to reflect.Value) (any, error) {
+	into := make(map[K]V, 0)
+	return complexTypeStringDecodeHook(from, to, into)
+}
+
+func MapHTTPHeaderStringDecode(from, to reflect.Value) (any, error) {
+	into := http.Header{}
+	return complexTypeStringDecodeHook(from, to, into)
+}
+
+func complexTypeStringDecodeHook(from, to reflect.Value, out any) (any, error) {
+	fromInterface := from.Interface()
+	if to.Type() != reflect.TypeOf(out) {
+		return fromInterface, nil
+	}
+	data, ok := fromInterface.(string)
+	if !ok {
+		return fromInterface, nil
+	}
+	err := json.Unmarshal([]byte(data), &out)
+	return out, err
+}

cmd/setup/config.go

@@ -10,7 +10,7 @@ import (
 	"github.com/zitadel/logging"
 
 	"github.com/zitadel/zitadel/cmd/encryption"
-	"github.com/zitadel/zitadel/cmd/systemapi"
+	"github.com/zitadel/zitadel/cmd/hooks"
 	"github.com/zitadel/zitadel/internal/actions"
 	"github.com/zitadel/zitadel/internal/api/authz"
 	"github.com/zitadel/zitadel/internal/api/oidc"
@@ -47,7 +47,7 @@ type Config struct {
 	Login           login.Config
 	WebAuthNName    string
 	Telemetry       *handlers.TelemetryPusherConfig
-	SystemAPIUsers  systemapi.Users
+	SystemAPIUsers  map[string]*authz.SystemAPIUser
 }
 
 type InitProjections struct {
@@ -70,6 +70,7 @@ func MustNewConfig(v *viper.Viper) *Config {
 			hook.EnumHookFunc(domain.FeatureString),
 			hook.EnumHookFunc(authz.MemberTypeString),
 			actions.HTTPConfigDecodeHook,
+			hooks.MapTypeStringDecode[string, *authz.SystemAPIUser],
 		)),
 	)
 	logging.OnError(err).Fatal("unable to read default config")
@@ -127,7 +128,6 @@ func MustNewSteps(v *viper.Viper) *Steps {
 			mapstructure.StringToTimeHookFunc(time.RFC3339),
 			mapstructure.StringToSliceHookFunc(","),
 			hook.EnumHookFunc(domain.FeatureString),
-			systemapi.UsersDecodeHook,
 		)),
 	)
 	logging.OnError(err).Fatal("unable to read steps")

cmd/start/config.go

@@ -8,7 +8,7 @@ import (
 	"github.com/zitadel/logging"
 
 	"github.com/zitadel/zitadel/cmd/encryption"
-	"github.com/zitadel/zitadel/cmd/systemapi"
+	"github.com/zitadel/zitadel/cmd/hooks"
 	"github.com/zitadel/zitadel/internal/actions"
 	admin_es "github.com/zitadel/zitadel/internal/admin/repository/eventsourcing"
 	internal_authz "github.com/zitadel/zitadel/internal/api/authz"
@@ -61,7 +61,7 @@ type Config struct {
 	EncryptionKeys    *encryption.EncryptionKeyConfig
 	DefaultInstance   command.InstanceSetup
 	AuditLogRetention time.Duration
-	SystemAPIUsers    systemapi.Users
+	SystemAPIUsers    map[string]*internal_authz.SystemAPIUser
 	CustomerPortal    string
 	Machine           *id.Config
 	Actions           *actions.Config
@@ -84,6 +84,12 @@ func MustNewConfig(v *viper.Viper) *Config {
 
 	err := v.Unmarshal(config,
 		viper.DecodeHook(mapstructure.ComposeDecodeHookFunc(
+			hooks.SliceTypeStringDecode[*domain.CustomMessageText],
+			hooks.SliceTypeStringDecode[*command.SetQuota],
+			hooks.SliceTypeStringDecode[internal_authz.RoleMapping],
+			hooks.MapTypeStringDecode[string, *internal_authz.SystemAPIUser],
+			hooks.MapTypeStringDecode[domain.Feature, any],
+			hooks.MapHTTPHeaderStringDecode,
 			hook.Base64ToBytesHookFunc(),
 			hook.TagToLanguageHookFunc(),
 			mapstructure.StringToTimeDurationHookFunc(),
@@ -91,7 +97,6 @@ func MustNewConfig(v *viper.Viper) *Config {
 			mapstructure.StringToSliceHookFunc(","),
 			database.DecodeHook,
 			actions.HTTPConfigDecodeHook,
-			systemapi.UsersDecodeHook,
 			hook.EnumHookFunc(domain.FeatureString),
 			hook.EnumHookFunc(internal_authz.MemberTypeString),
 		)),

cmd/start/config_test.go

@@ -1,44 +1,106 @@
 package start
 
 import (
-	"reflect"
+	"encoding/base64"
+	"fmt"
+	"net"
+	"net/http"
 	"strings"
 	"testing"
 
 	"github.com/spf13/viper"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
-	"github.com/zitadel/logging"
 
 	"github.com/zitadel/zitadel/internal/actions"
 	"github.com/zitadel/zitadel/internal/api/authz"
-	"github.com/zitadel/zitadel/internal/command"
 	"github.com/zitadel/zitadel/internal/domain"
 )
 
 func TestMustNewConfig(t *testing.T) {
+	encodedKey := "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"
+	decodedKey, err := base64.StdEncoding.DecodeString(encodedKey)
+	if err != nil {
+		t.Fatal(err)
+	}
 	type args struct {
 		yaml string
 	}
 	tests := []struct {
 		name string
 		args args
-		want *Config
+		want func(*testing.T, *Config)
 	}{{
+		name: "actions deny list ok",
+		args: args{
+			yaml: `
+Actions:
+  HTTP:
+    DenyList:
+    - localhost
+    - 127.0.0.1
+    - foobar
+Log:
+  Level: info
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.Actions.HTTP.DenyList, []actions.AddressChecker{
+				&actions.DomainChecker{Domain: "localhost"},
+				&actions.IPChecker{IP: net.ParseIP("127.0.0.1")},
+				&actions.DomainChecker{Domain: "foobar"}})
+		},
+	}, {
+		name: "actions deny list string ok",
+		args: args{
+			yaml: `
+Actions:
+  HTTP:
+    DenyList: localhost,127.0.0.1,foobar
+Log:
+  Level: info
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.Actions.HTTP.DenyList, []actions.AddressChecker{
+				&actions.DomainChecker{Domain: "localhost"},
+				&actions.IPChecker{IP: net.ParseIP("127.0.0.1")},
+				&actions.DomainChecker{Domain: "foobar"}})
+		},
+	}, {
 		name: "features ok",
 		args: args{yaml: `
 DefaultInstance:
   Features:
   - FeatureLoginDefaultOrg: true
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
 `},
-		want: &Config{
+		want: func(t *testing.T, config *Config) {
-			DefaultInstance: command.InstanceSetup{
+			assert.Equal(t, config.DefaultInstance.Features, map[domain.Feature]any{
-				Features: map[domain.Feature]any{
+				domain.FeatureLoginDefaultOrg: true,
-					domain.FeatureLoginDefaultOrg: true,
+			})
-				},
-			},
 		},
 	}, {
-		name: "membership types ok",
+		name: "features string ok",
+		args: args{yaml: `
+DefaultInstance:
+  Features: >
+    [{"featureLoginDefaultOrg": true}]
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.DefaultInstance.Features, map[domain.Feature]any{
+				domain.FeatureLoginDefaultOrg: true,
+			})
+		},
+	}, {
+		name: "system api users ok",
 		args: args{yaml: `
 SystemAPIUsers:
 - superuser:
@@ -46,9 +108,14 @@ SystemAPIUsers:
     - MemberType: System
     - MemberType: Organization
     - MemberType: IAM
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
 `},
-		want: &Config{
+		want: func(t *testing.T, config *Config) {
-			SystemAPIUsers: map[string]*authz.SystemAPIUser{
+			assert.Equal(t, config.SystemAPIUsers, map[string]*authz.SystemAPIUser{
 				"superuser": {
 					Memberships: authz.Memberships{{
 						MemberType: authz.MemberTypeSystem,
@@ -58,27 +125,121 @@ SystemAPIUsers:
 						MemberType: authz.MemberTypeIAM,
 					}},
 				},
-			},
+			})
+		},
+	}, {
+		name: "system api users string ok",
+		args: args{yaml: fmt.Sprintf(`
+SystemAPIUsers: >
+  {"systemuser": {"path": "/path/to/superuser/key.pem"}, "systemuser2": {"keyData": "%s"}}
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`, encodedKey)},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.SystemAPIUsers, map[string]*authz.SystemAPIUser{
+				"systemuser": {
+					Path: "/path/to/superuser/key.pem",
+				},
+				"systemuser2": {
+					KeyData: decodedKey,
+				},
+			})
+		},
+	}, {
+		name: "headers ok",
+		args: args{yaml: `
+Telemetry:
+  Headers:
+    single-value: single-value
+    multi-value:
+    - multi-value1
+    - multi-value2
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.Telemetry.Headers, http.Header{
+				"single-value": []string{"single-value"},
+				"multi-value":  []string{"multi-value1", "multi-value2"},
+			})
+		},
+	}, {
+		name: "headers string ok",
+		args: args{yaml: `
+Telemetry:
+  Headers: >
+    {"single-value": "single-value", "multi-value": ["multi-value1", "multi-value2"]}
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.Telemetry.Headers, http.Header{
+				"single-value": []string{"single-value"},
+				"multi-value":  []string{"multi-value1", "multi-value2"},
+			})
+		},
+	}, {
+		name: "message texts ok",
+		args: args{yaml: `
+DefaultInstance:
+  MessageTexts:
+  - MessageTextType: InitCode
+    Title: foo
+  - MessageTextType: PasswordReset
+    Greeting: bar
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.DefaultInstance.MessageTexts, []*domain.CustomMessageText{{
+				MessageTextType: "InitCode",
+				Title:           "foo",
+			}, {
+				MessageTextType: "PasswordReset",
+				Greeting:        "bar",
+			}})
+		},
+	}, {
+		name: "message texts string ok",
+		args: args{yaml: `
+DefaultInstance:
+  MessageTexts: >
+    [{"messageTextType": "InitCode", "title": "foo"}, {"messageTextType": "PasswordReset", "greeting": "bar"}]
+Log:
+  Level: info
+Actions:
+  HTTP:
+    DenyList: []
+`},
+		want: func(t *testing.T, config *Config) {
+			assert.Equal(t, config.DefaultInstance.MessageTexts, []*domain.CustomMessageText{{
+				MessageTextType: "InitCode",
+				Title:           "foo",
+			}, {
+				MessageTextType: "PasswordReset",
+				Greeting:        "bar",
+			}})
 		},
 	}}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			v := viper.New()
 			v.SetConfigType("yaml")
-			err := v.ReadConfig(strings.NewReader(`Log:
+			require.NoError(t, v.ReadConfig(strings.NewReader(tt.args.yaml)))
-  Level: info
-Actions:
-  HTTP:
-    DenyList: []
-` + tt.args.yaml))
-			require.NoError(t, err)
-			tt.want.Log = &logging.Config{Level: "info"}
-			tt.want.Actions = &actions.Config{HTTP: actions.HTTPConfig{DenyList: []actions.AddressChecker{}}}
-			require.NoError(t, tt.want.Log.SetLogger())
 			got := MustNewConfig(v)
-			if !reflect.DeepEqual(got, tt.want) {
+			tt.want(t, got)
-				t.Errorf("MustNewConfig() = %v, want %v", got, tt.want)
-			}
 		})
 	}
 }

cmd/systemapi/user.go

@@ -1,27 +0,0 @@
-package systemapi
-
-import (
-	"encoding/json"
-	"reflect"
-
-	"github.com/zitadel/zitadel/internal/api/authz"
-)
-
-type Users map[string]*authz.SystemAPIUser
-
-func UsersDecodeHook(from, to reflect.Value) (any, error) {
-	if to.Type() != reflect.TypeOf(Users{}) {
-		return from.Interface(), nil
-	}
-
-	data, ok := from.Interface().(string)
-	if !ok {
-		return from.Interface(), nil
-	}
-	users := make(Users)
-	err := json.Unmarshal([]byte(data), &users)
-	if err != nil {
-		return nil, err
-	}
-	return users, nil
-}

internal/actions/http_module_config.go

@@ -3,6 +3,7 @@ package actions
 import (
 	"net"
 	"reflect"
+	"strings"
 
 	"github.com/mitchellh/mapstructure"
 	"github.com/zitadel/zitadel/internal/zerrors"
@@ -41,12 +42,18 @@ func HTTPConfigDecodeHook(from, to reflect.Value) (interface{}, error) {
 	}
 
 	c := HTTPConfig{
-		DenyList: make([]AddressChecker, len(config.DenyList)),
+		DenyList: make([]AddressChecker, 0),
 	}
 
-	for i, entry := range config.DenyList {
+	for _, unsplit := range config.DenyList {
-		if c.DenyList[i], err = parseDenyListEntry(entry); err != nil {
+		for _, split := range strings.Split(unsplit, ",") {
-			return nil, err
+			parsed, parseErr := parseDenyListEntry(split)
+			if parseErr != nil {
+				return nil, parseErr
+			}
+			if parsed != nil {
+				c.DenyList = append(c.DenyList, parsed)
+			}
 		}
 	}