Make product API versions independently installable

backend/product/customers/internal/service.go

@@ -243,6 +243,13 @@ func NewAccountService(
 	if err != nil {
 		return nil, err
 	}
-	return &service{logger: logger, config: config, accountDB: stores.Accounts,
-		vdb: stores.Verification, sessions: stores.RefreshTokens, transactions: dbf.TransactionFactory()}, nil
+	return FromStores(l, config, stores, dbf.TransactionFactory())
+}
+
+func FromStores(l mlogger.Logger, config *middleware.PasswordConfig, stores *authstorage.Stores, transactions transaction.Factory) (*service, error) {
+	if config == nil || stores == nil || transactions == nil {
+		return nil, merrors.InvalidArgument("customer dependencies are required")
+	}
+	return &service{logger: l.Named("account_service"), config: config, accountDB: stores.Accounts,
+		vdb: stores.Verification, sessions: stores.RefreshTokens, transactions: transactions}, nil
 }

backend/product/customers/types.go

@@ -2,11 +2,13 @@ package accountservice
 
 import (
 	"context"
-	customermodel "git.sendico.io/tech/sxchnge/product/customers/model"
 
 	"git.sendico.io/tech/sxchnge/product/auth/config"
+	authstorage "git.sendico.io/tech/sxchnge/product/auth/storage"
 	accountserviceimp "git.sendico.io/tech/sxchnge/product/customers/internal"
+	customermodel "git.sendico.io/tech/sxchnge/product/customers/model"
 	"git.sendico.io/tech/sxchnge/shared/database"
+	"git.sendico.io/tech/sxchnge/shared/database/transaction"
 	"git.sendico.io/tech/sxchnge/shared/logging"
 	"go.mongodb.org/mongo-driver/v2/bson"
 )
@@ -61,3 +63,8 @@ func NewAccountService(
 ) (AccountService, error) {
 	return accountserviceimp.NewAccountService(logger, dbf, config, storageConfig)
 }
+
+// FromStores composes a customer service using already initialized storage.
+func FromStores(logger mlogger.Logger, config *middleware.PasswordConfig, stores *authstorage.Stores, transactions transaction.Factory) (AccountService, error) {
+	return accountserviceimp.FromStores(logger, config, stores, transactions)
+}