diff --git a/backend/.eslintrc.js b/backend/.eslintrc.js
index 9021fcc30..4c53a638f 100644
--- a/backend/.eslintrc.js
+++ b/backend/.eslintrc.js
@@ -73,7 +73,7 @@ module.exports = {
     'import/group-exports': 'off',
     'import/newline-after-import': 'error',
     'import/no-anonymous-default-export': 'error',
-    'import/no-default-export': 'off',
+    'import/no-default-export': 'error',
     'import/no-duplicates': 'error',
     'import/no-named-default': 'error',
     'import/no-namespace': 'error',
@@ -102,7 +102,7 @@ module.exports = {
         distinctGroup: true,
       },
     ],
-    'import/prefer-default-export': 'off', // TODO
+    'import/prefer-default-export': 'off',
     // n
     'n/handle-callback-err': 'error',
     'n/no-callback-literal': 'error',
diff --git a/backend/src/apis/HttpRequest.ts b/backend/src/apis/HttpRequest.ts
index 278e3732c..063dfa202 100644
--- a/backend/src/apis/HttpRequest.ts
+++ b/backend/src/apis/HttpRequest.ts
@@ -3,7 +3,7 @@
 /* eslint-disable @typescript-eslint/no-unsafe-argument */
 import axios from 'axios'
 
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
diff --git a/backend/src/apis/KlicktippController.ts b/backend/src/apis/KlicktippController.ts
index 309cf56ee..3f7136de2 100644
--- a/backend/src/apis/KlicktippController.ts
+++ b/backend/src/apis/KlicktippController.ts
@@ -4,7 +4,8 @@
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 /* eslint-disable @typescript-eslint/no-explicit-any */
 /* eslint-disable @typescript-eslint/explicit-module-boundary-types */
-import CONFIG from '@/config'
+
+import { CONFIG } from '@/config'
 
 // eslint-disable-next-line import/no-relative-parent-imports
 import KlicktippConnector from 'klicktipp-api'
diff --git a/backend/src/auth/JWT.ts b/backend/src/auth/JWT.ts
index 93a6a8868..75a69cd0c 100644
--- a/backend/src/auth/JWT.ts
+++ b/backend/src/auth/JWT.ts
@@ -1,7 +1,7 @@
 import { verify, sign } from 'jsonwebtoken'
 
-import CONFIG from '@/config/'
-import LogError from '@/server/LogError'
+import { CONFIG } from '@/config/'
+import { LogError } from '@/server/LogError'
 
 import { CustomJwtPayload } from './CustomJwtPayload'
 
diff --git a/backend/src/config/index.test.ts b/backend/src/config/index.test.ts
index 1dabf9292..24908513a 100644
--- a/backend/src/config/index.test.ts
+++ b/backend/src/config/index.test.ts
@@ -1,4 +1,4 @@
-import CONFIG from './index'
+import { CONFIG } from './index'
 
 describe('config/index', () => {
   describe('decay start block', () => {
diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index 23ede1f27..017d83098 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -121,7 +121,7 @@ const federation = {
     Number(process.env.FEDERATION_VALIDATE_COMMUNITY_TIMER) || 60000,
 }
 
-const CONFIG = {
+export const CONFIG = {
   ...constants,
   ...server,
   ...database,
@@ -132,5 +132,3 @@ const CONFIG = {
   ...webhook,
   ...federation,
 }
-
-export default CONFIG
diff --git a/backend/src/emails/sendEmailTranslated.test.ts b/backend/src/emails/sendEmailTranslated.test.ts
index 85074344a..66efb29a9 100644
--- a/backend/src/emails/sendEmailTranslated.test.ts
+++ b/backend/src/emails/sendEmailTranslated.test.ts
@@ -4,7 +4,7 @@ import { createTransport } from 'nodemailer'
 
 import { logger, i18n } from '@test/testSetup'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
 import { sendEmailTranslated } from './sendEmailTranslated'
 
diff --git a/backend/src/emails/sendEmailTranslated.ts b/backend/src/emails/sendEmailTranslated.ts
index 6d89cc257..abf582b5c 100644
--- a/backend/src/emails/sendEmailTranslated.ts
+++ b/backend/src/emails/sendEmailTranslated.ts
@@ -5,8 +5,8 @@ import Email from 'email-templates'
 import i18n from 'i18n'
 import { createTransport } from 'nodemailer'
 
-import CONFIG from '@/config'
-import LogError from '@/server/LogError'
+import { CONFIG } from '@/config'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 export const sendEmailTranslated = async (params: {
diff --git a/backend/src/emails/sendEmailVariants.test.ts b/backend/src/emails/sendEmailVariants.test.ts
index 44d996fa8..fa83996cb 100644
--- a/backend/src/emails/sendEmailVariants.test.ts
+++ b/backend/src/emails/sendEmailVariants.test.ts
@@ -8,7 +8,7 @@ import { Decimal } from 'decimal.js-light'
 import { testEnvironment } from '@test/helpers'
 import { logger, i18n as localization } from '@test/testSetup'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
 import { sendEmailTranslated } from './sendEmailTranslated'
 import {
diff --git a/backend/src/emails/sendEmailVariants.ts b/backend/src/emails/sendEmailVariants.ts
index b45e7fc67..2f9d906a1 100644
--- a/backend/src/emails/sendEmailVariants.ts
+++ b/backend/src/emails/sendEmailVariants.ts
@@ -1,6 +1,6 @@
 import { Decimal } from 'decimal.js-light'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import { decimalSeparatorByLanguage } from '@/util/utilities'
 
 import { sendEmailTranslated } from './sendEmailTranslated'
diff --git a/backend/src/federation/client/1_0/FederationClient.ts b/backend/src/federation/client/1_0/FederationClient.ts
index c4063e4c5..13f05e761 100644
--- a/backend/src/federation/client/1_0/FederationClient.ts
+++ b/backend/src/federation/client/1_0/FederationClient.ts
@@ -5,7 +5,7 @@ import { Community as DbCommunity } from '@entity/Community'
 import { gql } from 'graphql-request'
 
 import { GraphQLGetClient } from '@/federation/client/GraphQLGetClient'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 export async function requestGetPublicKey(dbCom: DbCommunity): Promise<string | undefined> {
diff --git a/backend/src/federation/client/1_1/FederationClient.ts b/backend/src/federation/client/1_1/FederationClient.ts
index b29960407..bda185fba 100644
--- a/backend/src/federation/client/1_1/FederationClient.ts
+++ b/backend/src/federation/client/1_1/FederationClient.ts
@@ -5,7 +5,7 @@ import { Community as DbCommunity } from '@entity/Community'
 import { gql } from 'graphql-request'
 
 import { GraphQLGetClient } from '@/federation/client/GraphQLGetClient'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 export async function requestGetPublicKey(dbCom: DbCommunity): Promise<string | undefined> {
diff --git a/backend/src/federation/validateCommunities.ts b/backend/src/federation/validateCommunities.ts
index fb6bda673..0e8c7cb12 100644
--- a/backend/src/federation/validateCommunities.ts
+++ b/backend/src/federation/validateCommunities.ts
@@ -1,7 +1,7 @@
 import { IsNull } from '@dbTools/typeorm'
 import { Community as DbCommunity } from '@entity/Community'
 
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 // eslint-disable-next-line camelcase
diff --git a/backend/src/graphql/arg/AdminCreateContributionArgs.ts b/backend/src/graphql/arg/AdminCreateContributionArgs.ts
index 65aeb82e5..8e2fa28da 100644
--- a/backend/src/graphql/arg/AdminCreateContributionArgs.ts
+++ b/backend/src/graphql/arg/AdminCreateContributionArgs.ts
@@ -3,7 +3,7 @@ import { ArgsType, Field, InputType } from 'type-graphql'
 
 @InputType()
 @ArgsType()
-export default class AdminCreateContributionArgs {
+export class AdminCreateContributionArgs {
   @Field(() => String)
   email: string
 
diff --git a/backend/src/graphql/arg/AdminUpdateContributionArgs.ts b/backend/src/graphql/arg/AdminUpdateContributionArgs.ts
index 6a8f00dc2..e79260c63 100644
--- a/backend/src/graphql/arg/AdminUpdateContributionArgs.ts
+++ b/backend/src/graphql/arg/AdminUpdateContributionArgs.ts
@@ -2,7 +2,7 @@ import { Decimal } from 'decimal.js-light'
 import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
-export default class AdminUpdateContributionArgs {
+export class AdminUpdateContributionArgs {
   @Field(() => Int)
   id: number
 
diff --git a/backend/src/graphql/arg/ContributionArgs.ts b/backend/src/graphql/arg/ContributionArgs.ts
index cc8aea41e..db688d811 100644
--- a/backend/src/graphql/arg/ContributionArgs.ts
+++ b/backend/src/graphql/arg/ContributionArgs.ts
@@ -3,7 +3,7 @@ import { ArgsType, Field, InputType } from 'type-graphql'
 
 @InputType()
 @ArgsType()
-export default class ContributionArgs {
+export class ContributionArgs {
   @Field(() => Decimal)
   amount: Decimal
 
diff --git a/backend/src/graphql/arg/ContributionLinkArgs.ts b/backend/src/graphql/arg/ContributionLinkArgs.ts
index d28a7808f..cef72148a 100644
--- a/backend/src/graphql/arg/ContributionLinkArgs.ts
+++ b/backend/src/graphql/arg/ContributionLinkArgs.ts
@@ -2,7 +2,7 @@ import { Decimal } from 'decimal.js-light'
 import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
-export default class ContributionLinkArgs {
+export class ContributionLinkArgs {
   @Field(() => Decimal)
   amount: Decimal
 
diff --git a/backend/src/graphql/arg/ContributionMessageArgs.ts b/backend/src/graphql/arg/ContributionMessageArgs.ts
index 8b44756a6..d36e1832d 100644
--- a/backend/src/graphql/arg/ContributionMessageArgs.ts
+++ b/backend/src/graphql/arg/ContributionMessageArgs.ts
@@ -2,7 +2,7 @@ import { ArgsType, Field, Int, InputType } from 'type-graphql'
 
 @InputType()
 @ArgsType()
-export default class ContributionMessageArgs {
+export class ContributionMessageArgs {
   @Field(() => Int)
   contributionId: number
 
diff --git a/backend/src/graphql/arg/CreateUserArgs.ts b/backend/src/graphql/arg/CreateUserArgs.ts
index 56acfd63d..cb263b84a 100644
--- a/backend/src/graphql/arg/CreateUserArgs.ts
+++ b/backend/src/graphql/arg/CreateUserArgs.ts
@@ -1,7 +1,7 @@
 import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
-export default class CreateUserArgs {
+export class CreateUserArgs {
   @Field(() => String)
   email: string
 
diff --git a/backend/src/graphql/arg/Paginated.ts b/backend/src/graphql/arg/Paginated.ts
index e605c49d4..a1e792ef7 100644
--- a/backend/src/graphql/arg/Paginated.ts
+++ b/backend/src/graphql/arg/Paginated.ts
@@ -4,7 +4,7 @@ import { ArgsType, Field, Int } from 'type-graphql'
 import { Order } from '@enum/Order'
 
 @ArgsType()
-export default class Paginated {
+export class Paginated {
   @Field(() => Int, { nullable: true })
   currentPage?: number
 
diff --git a/backend/src/graphql/arg/SearchUsersArgs.ts b/backend/src/graphql/arg/SearchUsersArgs.ts
index de7275f63..0ebc442c3 100644
--- a/backend/src/graphql/arg/SearchUsersArgs.ts
+++ b/backend/src/graphql/arg/SearchUsersArgs.ts
@@ -1,9 +1,9 @@
 import { ArgsType, Field, Int } from 'type-graphql'
 
-import SearchUsersFilters from '@arg/SearchUsersFilters'
+import { SearchUsersFilters } from '@arg/SearchUsersFilters'
 
 @ArgsType()
-export default class SearchUsersArgs {
+export class SearchUsersArgs {
   @Field(() => String)
   searchText: string
 
diff --git a/backend/src/graphql/arg/SearchUsersFilters.ts b/backend/src/graphql/arg/SearchUsersFilters.ts
index efcdfa00d..a6ea09268 100644
--- a/backend/src/graphql/arg/SearchUsersFilters.ts
+++ b/backend/src/graphql/arg/SearchUsersFilters.ts
@@ -1,7 +1,7 @@
 import { Field, InputType } from 'type-graphql'
 
 @InputType()
-export default class SearchUsersFilters {
+export class SearchUsersFilters {
   @Field(() => Boolean, { nullable: true, defaultValue: null })
   byActivated?: boolean | null
 
diff --git a/backend/src/graphql/arg/TransactionLinkArgs.ts b/backend/src/graphql/arg/TransactionLinkArgs.ts
index 19720e321..f44ef0356 100644
--- a/backend/src/graphql/arg/TransactionLinkArgs.ts
+++ b/backend/src/graphql/arg/TransactionLinkArgs.ts
@@ -2,7 +2,7 @@ import { Decimal } from 'decimal.js-light'
 import { ArgsType, Field } from 'type-graphql'
 
 @ArgsType()
-export default class TransactionLinkArgs {
+export class TransactionLinkArgs {
   @Field(() => Decimal)
   amount: Decimal
 
diff --git a/backend/src/graphql/arg/TransactionLinkFilters.ts b/backend/src/graphql/arg/TransactionLinkFilters.ts
index 13d630d17..de8643260 100644
--- a/backend/src/graphql/arg/TransactionLinkFilters.ts
+++ b/backend/src/graphql/arg/TransactionLinkFilters.ts
@@ -2,7 +2,7 @@
 import { Field, InputType } from 'type-graphql'
 
 @InputType()
-export default class TransactionLinkFilters {
+export class TransactionLinkFilters {
   @Field(() => Boolean, { nullable: true })
   withDeleted?: boolean
 
diff --git a/backend/src/graphql/arg/TransactionSendArgs.ts b/backend/src/graphql/arg/TransactionSendArgs.ts
index 3f5fa8436..ecda848d1 100644
--- a/backend/src/graphql/arg/TransactionSendArgs.ts
+++ b/backend/src/graphql/arg/TransactionSendArgs.ts
@@ -2,7 +2,7 @@ import { Decimal } from 'decimal.js-light'
 import { ArgsType, Field } from 'type-graphql'
 
 @ArgsType()
-export default class TransactionSendArgs {
+export class TransactionSendArgs {
   @Field(() => String)
   identifier: string
 
diff --git a/backend/src/graphql/arg/UnsecureLoginArgs.ts b/backend/src/graphql/arg/UnsecureLoginArgs.ts
index a2a7bb683..ad5a934f9 100644
--- a/backend/src/graphql/arg/UnsecureLoginArgs.ts
+++ b/backend/src/graphql/arg/UnsecureLoginArgs.ts
@@ -1,7 +1,7 @@
 import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
-export default class UnsecureLoginArgs {
+export class UnsecureLoginArgs {
   @Field(() => String)
   email: string
 
diff --git a/backend/src/graphql/arg/UpdateUserInfosArgs.ts b/backend/src/graphql/arg/UpdateUserInfosArgs.ts
index 985d3fed6..2f9df8dd7 100644
--- a/backend/src/graphql/arg/UpdateUserInfosArgs.ts
+++ b/backend/src/graphql/arg/UpdateUserInfosArgs.ts
@@ -1,7 +1,7 @@
 import { ArgsType, Field, Int } from 'type-graphql'
 
 @ArgsType()
-export default class UpdateUserInfosArgs {
+export class UpdateUserInfosArgs {
   @Field({ nullable: true })
   firstName?: string
 
diff --git a/backend/src/graphql/directive/isAuthorized.ts b/backend/src/graphql/directive/isAuthorized.ts
index d659b3f1c..117cff056 100644
--- a/backend/src/graphql/directive/isAuthorized.ts
+++ b/backend/src/graphql/directive/isAuthorized.ts
@@ -10,9 +10,9 @@ import { INALIENABLE_RIGHTS } from '@/auth/INALIENABLE_RIGHTS'
 import { decode, encode } from '@/auth/JWT'
 import { RIGHTS } from '@/auth/RIGHTS'
 import { ROLE_UNAUTHORIZED, ROLE_USER, ROLE_ADMIN } from '@/auth/ROLES'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 
-const isAuthorized: AuthChecker<any> = async ({ context }, rights) => {
+export const isAuthorized: AuthChecker<any> = async ({ context }, rights) => {
   context.role = ROLE_UNAUTHORIZED // unauthorized user
 
   // is rights an inalienable right?
@@ -56,5 +56,3 @@ const isAuthorized: AuthChecker<any> = async ({ context }, rights) => {
   context.setHeaders.push({ key: 'token', value: encode(decoded.gradidoID) })
   return true
 }
-
-export default isAuthorized
diff --git a/backend/src/graphql/model/ContributionLink.ts b/backend/src/graphql/model/ContributionLink.ts
index e47ffc6ed..1576fc97a 100644
--- a/backend/src/graphql/model/ContributionLink.ts
+++ b/backend/src/graphql/model/ContributionLink.ts
@@ -2,7 +2,7 @@ import { ContributionLink as dbContributionLink } from '@entity/ContributionLink
 import { Decimal } from 'decimal.js-light'
 import { ObjectType, Field, Int } from 'type-graphql'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
 @ObjectType()
 export class ContributionLink {
diff --git a/backend/src/graphql/model/TransactionLink.ts b/backend/src/graphql/model/TransactionLink.ts
index 7356e97c6..74178610c 100644
--- a/backend/src/graphql/model/TransactionLink.ts
+++ b/backend/src/graphql/model/TransactionLink.ts
@@ -2,7 +2,7 @@ import { TransactionLink as dbTransactionLink } from '@entity/TransactionLink'
 import { Decimal } from 'decimal.js-light'
 import { ObjectType, Field, Int } from 'type-graphql'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
 import { User } from './User'
 
diff --git a/backend/src/graphql/resolver/ContributionLinkResolver.ts b/backend/src/graphql/resolver/ContributionLinkResolver.ts
index 462dbf99f..1dcf6a3cb 100644
--- a/backend/src/graphql/resolver/ContributionLinkResolver.ts
+++ b/backend/src/graphql/resolver/ContributionLinkResolver.ts
@@ -3,9 +3,8 @@ import { ContributionLink as DbContributionLink } from '@entity/ContributionLink
 import { Decimal } from 'decimal.js-light'
 import { Resolver, Args, Arg, Authorized, Mutation, Query, Int, Ctx } from 'type-graphql'
 
-// TODO: this is a strange construct
-import ContributionLinkArgs from '@arg/ContributionLinkArgs'
-import Paginated from '@arg/Paginated'
+import { ContributionLinkArgs } from '@arg/ContributionLinkArgs'
+import { Paginated } from '@arg/Paginated'
 import { Order } from '@enum/Order'
 import { ContributionLink } from '@model/ContributionLink'
 import { ContributionLinkList } from '@model/ContributionLinkList'
@@ -17,7 +16,7 @@ import {
   EVENT_ADMIN_CONTRIBUTION_LINK_UPDATE,
 } from '@/event/Events'
 import { Context, getUser } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 
 import {
   CONTRIBUTIONLINK_NAME_MAX_CHARS,
diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.ts b/backend/src/graphql/resolver/ContributionMessageResolver.ts
index 01376a1cb..236132f4d 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.ts
@@ -6,8 +6,8 @@ import { User as DbUser } from '@entity/User'
 import { UserContact as DbUserContact } from '@entity/UserContact'
 import { Arg, Args, Authorized, Ctx, Int, Mutation, Query, Resolver } from 'type-graphql'
 
-import ContributionMessageArgs from '@arg/ContributionMessageArgs'
-import Paginated from '@arg/Paginated'
+import { ContributionMessageArgs } from '@arg/ContributionMessageArgs'
+import { Paginated } from '@arg/Paginated'
 import { ContributionStatus } from '@enum/ContributionStatus'
 import { ContributionMessageType } from '@enum/MessageType'
 import { Order } from '@enum/Order'
@@ -20,7 +20,7 @@ import {
   EVENT_CONTRIBUTION_MESSAGE_CREATE,
 } from '@/event/Events'
 import { Context, getUser } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 
 @Resolver()
 export class ContributionMessageResolver {
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index 60f03020a..f6ce30e52 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -8,10 +8,10 @@ import { UserContact } from '@entity/UserContact'
 import { Decimal } from 'decimal.js-light'
 import { Arg, Args, Authorized, Ctx, Int, Mutation, Query, Resolver } from 'type-graphql'
 
-import AdminCreateContributionArgs from '@arg/AdminCreateContributionArgs'
-import AdminUpdateContributionArgs from '@arg/AdminUpdateContributionArgs'
-import ContributionArgs from '@arg/ContributionArgs'
-import Paginated from '@arg/Paginated'
+import { AdminCreateContributionArgs } from '@arg/AdminCreateContributionArgs'
+import { AdminUpdateContributionArgs } from '@arg/AdminUpdateContributionArgs'
+import { ContributionArgs } from '@arg/ContributionArgs'
+import { Paginated } from '@arg/Paginated'
 import { ContributionStatus } from '@enum/ContributionStatus'
 import { ContributionType } from '@enum/ContributionType'
 import { ContributionMessageType } from '@enum/MessageType'
@@ -40,7 +40,7 @@ import {
   EVENT_ADMIN_CONTRIBUTION_DENY,
 } from '@/event/Events'
 import { Context, getUser, getClientTimezoneOffset } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 import { calculateDecay } from '@/util/decay'
 import { TRANSACTIONS_LOCK } from '@/util/TRANSACTIONS_LOCK'
diff --git a/backend/src/graphql/resolver/EmailOptinCodes.test.ts b/backend/src/graphql/resolver/EmailOptinCodes.test.ts
index cc8d4e534..442c63c00 100644
--- a/backend/src/graphql/resolver/EmailOptinCodes.test.ts
+++ b/backend/src/graphql/resolver/EmailOptinCodes.test.ts
@@ -9,7 +9,7 @@ import { GraphQLError } from 'graphql'
 
 import { testEnvironment, cleanDB } from '@test/helpers'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import { createUser, setPassword, forgotPassword } from '@/seeds/graphql/mutations'
 import { queryOptIn } from '@/seeds/graphql/queries'
 
diff --git a/backend/src/graphql/resolver/GdtResolver.ts b/backend/src/graphql/resolver/GdtResolver.ts
index 60cf78bf9..3b9213567 100644
--- a/backend/src/graphql/resolver/GdtResolver.ts
+++ b/backend/src/graphql/resolver/GdtResolver.ts
@@ -4,15 +4,15 @@
 /* eslint-disable @typescript-eslint/no-unsafe-argument */
 import { Resolver, Query, Args, Ctx, Authorized, Arg, Int, Float } from 'type-graphql'
 
-import Paginated from '@arg/Paginated'
+import { Paginated } from '@arg/Paginated'
 import { Order } from '@enum/Order'
 import { GdtEntryList } from '@model/GdtEntryList'
 
 import { apiGet, apiPost } from '@/apis/HttpRequest'
 import { RIGHTS } from '@/auth/RIGHTS'
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import { Context, getUser } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 
 @Resolver()
 export class GdtResolver {
diff --git a/backend/src/graphql/resolver/TransactionLinkResolver.ts b/backend/src/graphql/resolver/TransactionLinkResolver.ts
index f69878cac..ab322a50b 100644
--- a/backend/src/graphql/resolver/TransactionLinkResolver.ts
+++ b/backend/src/graphql/resolver/TransactionLinkResolver.ts
@@ -9,9 +9,9 @@ import { User as DbUser } from '@entity/User'
 import { Decimal } from 'decimal.js-light'
 import { Resolver, Args, Arg, Authorized, Ctx, Mutation, Query, Int } from 'type-graphql'
 
-import Paginated from '@arg/Paginated'
-import TransactionLinkArgs from '@arg/TransactionLinkArgs'
-import TransactionLinkFilters from '@arg/TransactionLinkFilters'
+import { Paginated } from '@arg/Paginated'
+import { TransactionLinkArgs } from '@arg/TransactionLinkArgs'
+import { TransactionLinkFilters } from '@arg/TransactionLinkFilters'
 import { ContributionCycleType } from '@enum/ContributionCycleType'
 import { ContributionStatus } from '@enum/ContributionStatus'
 import { ContributionType } from '@enum/ContributionType'
@@ -20,7 +20,7 @@ import { ContributionLink } from '@model/ContributionLink'
 import { Decay } from '@model/Decay'
 import { TransactionLink, TransactionLinkResult } from '@model/TransactionLink'
 import { User } from '@model/User'
-import QueryLinkResult from '@union/QueryLinkResult'
+import { QueryLinkResult } from '@union/QueryLinkResult'
 
 import { RIGHTS } from '@/auth/RIGHTS'
 import {
@@ -30,7 +30,7 @@ import {
   EVENT_TRANSACTION_LINK_REDEEM,
 } from '@/event/Events'
 import { Context, getUser, getClientTimezoneOffset } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 import { calculateDecay } from '@/util/decay'
 import { TRANSACTIONS_LOCK } from '@/util/TRANSACTIONS_LOCK'
@@ -39,7 +39,7 @@ import { calculateBalance } from '@/util/validate'
 import { executeTransaction } from './TransactionResolver'
 import { getUserCreation, validateContribution } from './util/creations'
 import { getLastTransaction } from './util/getLastTransaction'
-import transactionLinkList from './util/transactionLinkList'
+import { transactionLinkList } from './util/transactionLinkList'
 
 // TODO: do not export, test it inside the resolver
 export const transactionLinkCode = (date: Date): string => {
diff --git a/backend/src/graphql/resolver/TransactionResolver.ts b/backend/src/graphql/resolver/TransactionResolver.ts
index fda4504e2..839709f5d 100644
--- a/backend/src/graphql/resolver/TransactionResolver.ts
+++ b/backend/src/graphql/resolver/TransactionResolver.ts
@@ -9,8 +9,8 @@ import { User as dbUser } from '@entity/User'
 import { Decimal } from 'decimal.js-light'
 import { Resolver, Query, Args, Authorized, Ctx, Mutation } from 'type-graphql'
 
-import Paginated from '@arg/Paginated'
-import TransactionSendArgs from '@arg/TransactionSendArgs'
+import { Paginated } from '@arg/Paginated'
+import { TransactionSendArgs } from '@arg/TransactionSendArgs'
 import { Order } from '@enum/Order'
 import { TransactionTypeId } from '@enum/TransactionTypeId'
 import { Transaction } from '@model/Transaction'
@@ -25,7 +25,7 @@ import {
 } from '@/emails/sendEmailVariants'
 import { EVENT_TRANSACTION_RECEIVE, EVENT_TRANSACTION_SEND } from '@/event/Events'
 import { Context, getUser } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 import { communityUser } from '@/util/communityUser'
 import { TRANSACTIONS_LOCK } from '@/util/TRANSACTIONS_LOCK'
diff --git a/backend/src/graphql/resolver/UserResolver.test.ts b/backend/src/graphql/resolver/UserResolver.test.ts
index 67e6b5a09..77b08f0d6 100644
--- a/backend/src/graphql/resolver/UserResolver.test.ts
+++ b/backend/src/graphql/resolver/UserResolver.test.ts
@@ -20,7 +20,7 @@ import { ContributionLink } from '@model/ContributionLink'
 import { testEnvironment, headerPushMock, resetToken, cleanDB } from '@test/helpers'
 import { logger, i18n as localization } from '@test/testSetup'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import {
   sendAccountActivationEmail,
   sendAccountMultiRegistrationEmail,
diff --git a/backend/src/graphql/resolver/UserResolver.ts b/backend/src/graphql/resolver/UserResolver.ts
index a50d3f447..35e00a5ec 100644
--- a/backend/src/graphql/resolver/UserResolver.ts
+++ b/backend/src/graphql/resolver/UserResolver.ts
@@ -21,11 +21,11 @@ import {
 } from 'type-graphql'
 import { v4 as uuidv4 } from 'uuid'
 
-import CreateUserArgs from '@arg/CreateUserArgs'
-import Paginated from '@arg/Paginated'
-import SearchUsersArgs from '@arg/SearchUsersArgs'
-import UnsecureLoginArgs from '@arg/UnsecureLoginArgs'
-import UpdateUserInfosArgs from '@arg/UpdateUserInfosArgs'
+import { CreateUserArgs } from '@arg/CreateUserArgs'
+import { Paginated } from '@arg/Paginated'
+import { SearchUsersArgs } from '@arg/SearchUsersArgs'
+import { UnsecureLoginArgs } from '@arg/UnsecureLoginArgs'
+import { UpdateUserInfosArgs } from '@arg/UpdateUserInfosArgs'
 import { OptInType } from '@enum/OptInType'
 import { Order } from '@enum/Order'
 import { PasswordEncryptionType } from '@enum/PasswordEncryptionType'
@@ -38,7 +38,7 @@ import { UserRepository } from '@repository/User'
 import { klicktippSignIn } from '@/apis/KlicktippController'
 import { encode } from '@/auth/JWT'
 import { RIGHTS } from '@/auth/RIGHTS'
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import {
   sendAccountActivationEmail,
   sendAccountMultiRegistrationEmail,
@@ -64,7 +64,7 @@ import { klicktippNewsletterStateMiddleware } from '@/middleware/klicktippMiddle
 import { isValidPassword } from '@/password/EncryptorUtils'
 import { encryptPassword, verifyPassword } from '@/password/PasswordEncryptor'
 import { Context, getUser, getClientTimezoneOffset } from '@/server/context'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 import { communityDbUser } from '@/util/communityUser'
 import { hasElopageBuys } from '@/util/hasElopageBuys'
diff --git a/backend/src/graphql/resolver/util/creations.ts b/backend/src/graphql/resolver/util/creations.ts
index 87c730fe1..1c0c0735e 100644
--- a/backend/src/graphql/resolver/util/creations.ts
+++ b/backend/src/graphql/resolver/util/creations.ts
@@ -8,7 +8,7 @@ import { Decimal } from 'decimal.js-light'
 import { OpenCreation } from '@model/OpenCreation'
 
 import { FULL_CREATION_AVAILABLE, MAX_CREATION_AMOUNT } from '@/graphql/resolver/const/const'
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 interface CreationMap {
diff --git a/backend/src/graphql/resolver/util/findUserByIdentifier.ts b/backend/src/graphql/resolver/util/findUserByIdentifier.ts
index a96fd1451..df932e544 100644
--- a/backend/src/graphql/resolver/util/findUserByIdentifier.ts
+++ b/backend/src/graphql/resolver/util/findUserByIdentifier.ts
@@ -2,7 +2,7 @@ import { User as DbUser } from '@entity/User'
 import { UserContact as DbUserContact } from '@entity/UserContact'
 import { validate, version } from 'uuid'
 
-import LogError from '@/server/LogError'
+import { LogError } from '@/server/LogError'
 
 export const findUserByIdentifier = async (identifier: string): Promise<DbUser> => {
   let user: DbUser | undefined
diff --git a/backend/src/graphql/resolver/util/transactionLinkList.ts b/backend/src/graphql/resolver/util/transactionLinkList.ts
index 544d35114..0dba5a400 100644
--- a/backend/src/graphql/resolver/util/transactionLinkList.ts
+++ b/backend/src/graphql/resolver/util/transactionLinkList.ts
@@ -2,14 +2,14 @@ import { MoreThan } from '@dbTools/typeorm'
 import { TransactionLink as DbTransactionLink } from '@entity/TransactionLink'
 import { User as DbUser } from '@entity/User'
 
-import Paginated from '@arg/Paginated'
-import TransactionLinkFilters from '@arg/TransactionLinkFilters'
+import { Paginated } from '@arg/Paginated'
+import { TransactionLinkFilters } from '@arg/TransactionLinkFilters'
 import { Order } from '@enum/Order'
 import { TransactionLink, TransactionLinkResult } from '@model/TransactionLink'
 
 import { User } from '@/graphql/model/User'
 
-export default async function transactionLinkList(
+export async function transactionLinkList(
   { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
   filters: TransactionLinkFilters | null,
   user: DbUser,
diff --git a/backend/src/graphql/scalar/Decimal.ts b/backend/src/graphql/scalar/Decimal.ts
index a2633f0db..96804bdfa 100644
--- a/backend/src/graphql/scalar/Decimal.ts
+++ b/backend/src/graphql/scalar/Decimal.ts
@@ -2,7 +2,7 @@
 import { Decimal } from 'decimal.js-light'
 import { GraphQLScalarType, Kind } from 'graphql'
 
-const DecimalType = new GraphQLScalarType({
+export const DecimalScalar = new GraphQLScalarType({
   name: 'Decimal',
   description: 'The `Decimal` scalar type to represent currency values',
 
@@ -22,5 +22,3 @@ const DecimalType = new GraphQLScalarType({
     return new Decimal(ast.value)
   },
 })
-
-export default DecimalType
diff --git a/backend/src/graphql/schema.ts b/backend/src/graphql/schema.ts
index c6097f027..f14276c86 100644
--- a/backend/src/graphql/schema.ts
+++ b/backend/src/graphql/schema.ts
@@ -4,15 +4,13 @@ import { Decimal } from 'decimal.js-light'
 import { GraphQLSchema } from 'graphql'
 import { buildSchema } from 'type-graphql'
 
-import isAuthorized from './directive/isAuthorized'
-import DecimalScalar from './scalar/Decimal'
+import { isAuthorized } from './directive/isAuthorized'
+import { DecimalScalar } from './scalar/Decimal'
 
-const schema = async (): Promise<GraphQLSchema> => {
+export const schema = async (): Promise<GraphQLSchema> => {
   return buildSchema({
     resolvers: [path.join(__dirname, 'resolver', `!(*.test).{js,ts}`)],
     authChecker: isAuthorized,
     scalarsMap: [{ type: Decimal, scalar: DecimalScalar }],
   })
 }
-
-export default schema
diff --git a/backend/src/graphql/union/QueryLinkResult.ts b/backend/src/graphql/union/QueryLinkResult.ts
index 390175d1d..fdf1c7b17 100644
--- a/backend/src/graphql/union/QueryLinkResult.ts
+++ b/backend/src/graphql/union/QueryLinkResult.ts
@@ -3,7 +3,7 @@ import { createUnionType } from 'type-graphql'
 import { ContributionLink } from '@model/ContributionLink'
 import { TransactionLink } from '@model/TransactionLink'
 
-export default createUnionType({
+export const QueryLinkResult = createUnionType({
   name: 'QueryLinkResult', // the name of the GraphQL union
   types: () => [TransactionLink, ContributionLink] as const, // function that returns tuple of object types classes
 })
diff --git a/backend/src/index.ts b/backend/src/index.ts
index 72b627820..b522e1ff5 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
-import CONFIG from './config'
+import { CONFIG } from './config'
 import { startValidateCommunities } from './federation/validateCommunities'
-import createServer from './server/createServer'
+import { createServer } from './server/createServer'
 
 async function main() {
   const { app } = await createServer()
diff --git a/backend/src/middleware/klicktippMiddleware.ts b/backend/src/middleware/klicktippMiddleware.ts
index 39231277f..c5d6dd0ff 100644
--- a/backend/src/middleware/klicktippMiddleware.ts
+++ b/backend/src/middleware/klicktippMiddleware.ts
@@ -8,7 +8,7 @@ import { MiddlewareFn } from 'type-graphql'
 import { KlickTipp } from '@model/KlickTipp'
 
 import { /* klicktippSignIn, */ getKlickTippUser } from '@/apis/KlicktippController'
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import { klickTippLogger as logger } from '@/server/logger'
 
 // export const klicktippRegistrationMiddleware: MiddlewareFn = async (
diff --git a/backend/src/password/EncryptorUtils.ts b/backend/src/password/EncryptorUtils.ts
index ab52b80ad..827fc9547 100644
--- a/backend/src/password/EncryptorUtils.ts
+++ b/backend/src/password/EncryptorUtils.ts
@@ -6,8 +6,8 @@ import { User } from '@entity/User'
 
 import { PasswordEncryptionType } from '@enum/PasswordEncryptionType'
 
-import CONFIG from '@/config'
-import LogError from '@/server/LogError'
+import { CONFIG } from '@/config'
+import { LogError } from '@/server/LogError'
 import { backendLogger as logger } from '@/server/logger'
 
 // eslint-disable-next-line @typescript-eslint/no-var-requires, import/no-commonjs
diff --git a/backend/src/seeds/index.ts b/backend/src/seeds/index.ts
index d1960eea9..8ca42fc79 100644
--- a/backend/src/seeds/index.ts
+++ b/backend/src/seeds/index.ts
@@ -9,8 +9,8 @@ import { entities } from '@entity/index'
 import { createTestClient } from 'apollo-server-testing'
 import { name, internet, datatype } from 'faker'
 
-import CONFIG from '@/config'
-import createServer from '@/server/createServer'
+import { CONFIG } from '@/config'
+import { createServer } from '@/server/createServer'
 import { backendLogger as logger } from '@/server/logger'
 
 import { contributionLinks } from './contributionLink/index'
diff --git a/backend/src/server/LogError.test.ts b/backend/src/server/LogError.test.ts
index 5aa1cae21..b013a31ce 100644
--- a/backend/src/server/LogError.test.ts
+++ b/backend/src/server/LogError.test.ts
@@ -2,7 +2,7 @@
 /* eslint-disable @typescript-eslint/unbound-method */
 import { logger } from '@test/testSetup'
 
-import LogError from './LogError'
+import { LogError } from './LogError'
 
 describe('LogError', () => {
   it('logs an Error when created', () => {
diff --git a/backend/src/server/LogError.ts b/backend/src/server/LogError.ts
index 570b0acfa..0862b9809 100644
--- a/backend/src/server/LogError.ts
+++ b/backend/src/server/LogError.ts
@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/no-unsafe-argument */
 import { backendLogger as logger } from './logger'
 
-export default class LogError extends Error {
+export class LogError extends Error {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   constructor(msg: string, ...details: any[]) {
     super(msg)
diff --git a/backend/src/server/context.ts b/backend/src/server/context.ts
index f0e63daea..a52c979e3 100644
--- a/backend/src/server/context.ts
+++ b/backend/src/server/context.ts
@@ -5,7 +5,7 @@ import { Decimal } from 'decimal.js-light'
 
 import { Role } from '@/auth/Role'
 
-import LogError from './LogError'
+import { LogError } from './LogError'
 
 export interface Context {
   token: string | null
@@ -20,7 +20,7 @@ export interface Context {
   sumHoldAvailableAmount?: Decimal
 }
 
-const context = (args: ExpressContext): Context => {
+export const context = (args: ExpressContext): Context => {
   const authorization = args.req.headers.authorization
   const clientTimezoneOffset = args.req.headers.clienttimezoneoffset
   const context: Context = {
@@ -50,5 +50,3 @@ export const getClientTimezoneOffset = (context: Context): number => {
   }
   throw new LogError('No valid client time zone offset in context')
 }
-
-export default context
diff --git a/backend/src/server/cors.ts b/backend/src/server/cors.ts
index e76ed1591..95663695d 100644
--- a/backend/src/server/cors.ts
+++ b/backend/src/server/cors.ts
@@ -1,8 +1,8 @@
-import cors from 'cors'
+import corsLib from 'cors'
 
 const corsOptions = {
   origin: '*',
   exposedHeaders: ['token'],
 }
 
-export default cors(corsOptions)
+export const cors = corsLib(corsOptions)
diff --git a/backend/src/server/createServer.ts b/backend/src/server/createServer.ts
index 8a94ef3eb..777d6dfbe 100644
--- a/backend/src/server/createServer.ts
+++ b/backend/src/server/createServer.ts
@@ -6,24 +6,24 @@ import { ApolloServer } from 'apollo-server-express'
 import express, { Express, json, urlencoded } from 'express'
 import { Logger } from 'log4js'
 
-import CONFIG from '@/config'
-import schema from '@/graphql/schema'
-import connection from '@/typeorm/connection'
+import { CONFIG } from '@/config'
+import { schema } from '@/graphql/schema'
+import { connection } from '@/typeorm/connection'
 import { checkDBVersion } from '@/typeorm/DBVersion'
 import { elopageWebhook } from '@/webhook/elopage'
 
-import serverContext from './context'
-import cors from './cors'
+import { context as serverContext } from './context'
+import { cors } from './cors'
 import { i18n } from './localization'
 import { apolloLogger } from './logger'
-import plugins from './plugins'
+import { plugins } from './plugins'
 
 // TODO implement
 // import queryComplexity, { simpleEstimator, fieldConfigEstimator } from "graphql-query-complexity";
 
 type ServerDef = { apollo: ApolloServer; app: Express; con: Connection }
 
-const createServer = async (
+export const createServer = async (
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   context: any = serverContext,
   logger: Logger = apolloLogger,
@@ -81,5 +81,3 @@ const createServer = async (
 
   return { apollo, app, con }
 }
-
-export default createServer
diff --git a/backend/src/server/logger.ts b/backend/src/server/logger.ts
index ba5847b97..d1edbd8fb 100644
--- a/backend/src/server/logger.ts
+++ b/backend/src/server/logger.ts
@@ -5,7 +5,7 @@ import { readFileSync } from 'fs'
 
 import { configure, getLogger } from 'log4js'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
 const options = JSON.parse(readFileSync(CONFIG.LOG4JS_CONFIG, 'utf-8'))
 
diff --git a/backend/src/server/plugins.ts b/backend/src/server/plugins.ts
index d113cb4b7..cb0e4e443 100644
--- a/backend/src/server/plugins.ts
+++ b/backend/src/server/plugins.ts
@@ -60,8 +60,6 @@ ${JSON.stringify(requestContext.response.errors, null, 2)}`)
   },
 }
 
-const plugins =
+export const plugins =
   // eslint-disable-next-line n/no-process-env
   process.env.NODE_ENV === 'development' ? [setHeadersPlugin] : [setHeadersPlugin, logPlugin]
-
-export default plugins
diff --git a/backend/src/typeorm/connection.ts b/backend/src/typeorm/connection.ts
index a3a20450b..7dec820b5 100644
--- a/backend/src/typeorm/connection.ts
+++ b/backend/src/typeorm/connection.ts
@@ -3,9 +3,9 @@
 import { Connection, createConnection, FileLogger } from '@dbTools/typeorm'
 import { entities } from '@entity/index'
 
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 
-const connection = async (): Promise<Connection | null> => {
+export const connection = async (): Promise<Connection | null> => {
   try {
     return createConnection({
       name: 'default',
@@ -31,5 +31,3 @@ const connection = async (): Promise<Connection | null> => {
     return null
   }
 }
-
-export default connection
diff --git a/backend/src/typeorm/repository/User.ts b/backend/src/typeorm/repository/User.ts
index 71e43329b..53273102d 100644
--- a/backend/src/typeorm/repository/User.ts
+++ b/backend/src/typeorm/repository/User.ts
@@ -1,7 +1,7 @@
 import { Brackets, EntityRepository, IsNull, Not, Repository } from '@dbTools/typeorm'
 import { User as DbUser } from '@entity/User'
 
-import SearchUsersFilters from '@/graphql/arg/SearchUsersFilters'
+import { SearchUsersFilters } from '@/graphql/arg/SearchUsersFilters'
 
 @EntityRepository(DbUser)
 export class UserRepository extends Repository<DbUser> {
diff --git a/backend/src/util/decay.ts b/backend/src/util/decay.ts
index 77157e203..1d1775cc9 100644
--- a/backend/src/util/decay.ts
+++ b/backend/src/util/decay.ts
@@ -2,8 +2,8 @@ import { Decimal } from 'decimal.js-light'
 
 import { Decay } from '@model/Decay'
 
-import CONFIG from '@/config'
-import LogError from '@/server/LogError'
+import { CONFIG } from '@/config'
+import { LogError } from '@/server/LogError'
 
 // TODO: externalize all those definitions and functions into an external decay library
 
diff --git a/backend/src/util/klicktipp.ts b/backend/src/util/klicktipp.ts
index 4d90be134..e34a9c384 100644
--- a/backend/src/util/klicktipp.ts
+++ b/backend/src/util/klicktipp.ts
@@ -1,8 +1,8 @@
 import { User } from '@entity/User'
 
 import { getKlickTippUser } from '@/apis/KlicktippController'
-import LogError from '@/server/LogError'
-import connection from '@/typeorm/connection'
+import { LogError } from '@/server/LogError'
+import { connection } from '@/typeorm/connection'
 
 export async function retrieveNotRegisteredEmails(): Promise<string[]> {
   const con = await connection()
diff --git a/backend/test/helpers.ts b/backend/test/helpers.ts
index cd86573fc..b43dc2d96 100644
--- a/backend/test/helpers.ts
+++ b/backend/test/helpers.ts
@@ -10,7 +10,7 @@
 import { entities } from '@entity/index'
 import { createTestClient } from 'apollo-server-testing'
 
-import createServer from '@/server/createServer'
+import { createServer } from '@/server/createServer'
 
 import { i18n, logger } from './testSetup'
 
diff --git a/backend/test/testSetup.ts b/backend/test/testSetup.ts
index 4e8a67e3f..12bd25d64 100644
--- a/backend/test/testSetup.ts
+++ b/backend/test/testSetup.ts
@@ -1,6 +1,6 @@
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 /* eslint-disable @typescript-eslint/no-unsafe-return */
-import CONFIG from '@/config'
+import { CONFIG } from '@/config'
 import { i18n } from '@/server/localization'
 import { backendLogger as logger } from '@/server/logger'