diff --git a/cmd/main.go b/cmd/main.go
index 201c32a..41f8c28 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -34,46 +34,58 @@ var (
 	_builtAt string
 )
 
-func createComponents(app components.Application) (components.Logger, components.Server, error) {
-	config, err := config.Load(app)
+func buildComponents(ccs *components.Components) error {
+	config, err := config.Load(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "config") /////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "config") ///////////////////////////////////////////////////////////////////////
 	}
 
-	logger, err := logger.Build(app, config)
+	ccs.Config = config
+
+	logger, err := logger.Build(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "logger") /////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "logger") ///////////////////////////////////////////////////////////////////////
 	}
 
-	crypto, err := crypto.Build(app)
+	ccs.Logger = logger
+
+	crypto, err := crypto.Build(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "crypto") /////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "crypto") ///////////////////////////////////////////////////////////////////////
 	}
 
-	storage, err := storage.Build(app, config, logger, crypto)
+	ccs.Crypto = crypto
+
+	storage, err := storage.Build(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "storage") ////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "storage") //////////////////////////////////////////////////////////////////////
 	}
 
-	model, err := model.Build(logger, storage)
+	ccs.Storage = storage
+
+	model, err := model.Build(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "model") //////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "model") ////////////////////////////////////////////////////////////////////////
 	}
 
-	if err := demo.Build(app, logger, model); err != nil {
-		return nil, nil, errors.WithMessage(err, "demo") ///////////////////////////////////////////////////////////////
+	ccs.Model = model
+
+	if err := demo.Build(ccs); err != nil {
+		return errors.WithMessage(err, "demo") /////////////////////////////////////////////////////////////////////////
 	}
 
-	router := router.Build(logger)
+	ccs.Router = router.Build(ccs)
 
-	server, err := server.Build(config, logger, router)
+	server, err := server.Build(ccs)
 	if err != nil {
-		return nil, nil, errors.WithMessage(err, "server") /////////////////////////////////////////////////////////////
+		return errors.WithMessage(err, "server") ///////////////////////////////////////////////////////////////////////
 	}
 
-	api.Build(logger, router, model)
+	ccs.Server = server
+
+	api.Build(ccs)
 
-	return logger, server, nil
+	return nil
 }
 
 func waitEnd(server components.Server) (*sync.WaitGroup, chan struct{}) {
@@ -110,12 +122,14 @@ func run() error {
 		return app.OnError(err)
 	}
 
-	logger, server, err := createComponents(app)
+	ccs := components.New(app)
+
+	err := buildComponents(ccs)
 	if err != nil {
 		return app.OnError(err)
 	}
 
-	logger.Info( //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+	ccs.Logger.Info( //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 		"APP",
 		"id", app.ID(),
 		"name", app.Name(),
@@ -124,11 +138,11 @@ func run() error {
 		"pid", os.Getpid(),
 	)
 
-	group, endCh := waitEnd(server)
+	group, endCh := waitEnd(ccs.Server)
 
 	demo.Start()
 
-	err = server.Start()
+	err = ccs.Server.Start()
 
 	close(endCh)
 
@@ -136,7 +150,7 @@ func run() error {
 
 	group.Wait()
 
-	logger.Info( //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
+	ccs.Logger.Info( //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
 		"END",
 		"uptime", time.Since(app.StartedAt()).Round(time.Second).String(),
 	)
diff --git a/internal/api/api.go b/internal/api/api.go
index d59fba1..6336c9c 100644
--- a/internal/api/api.go
+++ b/internal/api/api.go
@@ -27,10 +27,10 @@ type api struct {
 	model  components.Model
 }
 
-func newAPI(logger components.Logger, model components.Model) *api {
+func newAPI(ccs *components.Components) *api {
 	return &api{
-		logger: logger,
-		model:  model,
+		logger: ccs.Logger,
+		model:  ccs.Model,
 	}
 }
 
@@ -60,8 +60,9 @@ func (api *api) createJob(rw http.ResponseWriter, r *http.Request) {
 	rw.WriteHeader(http.StatusOK)
 }
 
-func Build(logger components.Logger, router components.Router, model components.Model) {
-	api := newAPI(logger, model)
+func Build(ccs *components.Components) {
+	api := newAPI(ccs)
+	router := ccs.Router
 
 	router.Get("/debug", expvar.Handler())
 	router.Get("/status", http.HandlerFunc(func(rw http.ResponseWriter, _ *http.Request) {
diff --git a/internal/components/components.go b/internal/components/components.go
index d27796a..bb95043 100644
--- a/internal/components/components.go
+++ b/internal/components/components.go
@@ -53,15 +53,34 @@ type Router interface {
 	Post(path string, handler http.Handler)
 }
 
+// Server AFAIRE.
+type Server interface {
+	Start() error
+	Stop()
+}
+
 // Storage AFAIRE.
 type Storage interface {
 	jw.Storage
 }
 
-// Server AFAIRE.
-type Server interface {
-	Start() error
-	Stop()
+// Components AFAIRE.
+type Components struct {
+	Application Application
+	Config      Config
+	Crypto      Crypto
+	Logger      Logger
+	Model       Model
+	Router      Router
+	Server      Server
+	Storage     Storage
+}
+
+// New AFAIRE.
+func New(app Application) *Components {
+	return &Components{
+		Application: app,
+	}
 }
 
 /*
diff --git a/internal/config/config.go b/internal/config/config.go
index b033fc7..964b14d 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -25,16 +25,16 @@ func newConfig() *config {
 }
 
 // Load AFAIRE.
-func Load(app components.Application) (components.Config, error) {
+func Load(ccs *components.Components) (components.Config, error) {
 	cc := newConfig()
 
-	config, ok := app.LookupEnv("CONFIG")
+	config, ok := ccs.Application.LookupEnv("CONFIG")
 	if !ok {
 		cc.data.Default()
 	} else {
 		switch config {
 		case "json":
-			if err := json.LoadConfig(app, cc.data); err != nil {
+			if err := json.LoadConfig(ccs.Application, cc.data); err != nil {
 				return nil, err
 			}
 		default:
diff --git a/internal/crypto/crypto.go b/internal/crypto/crypto.go
index f5663cd..9668bca 100644
--- a/internal/crypto/crypto.go
+++ b/internal/crypto/crypto.go
@@ -12,10 +12,10 @@ import (
 	"forge.chapril.org/armen/armen/internal/components"
 )
 
-func Build(app components.Application) (components.Crypto, error) {
+func Build(ccs *components.Components) (components.Crypto, error) {
 	cc := crypto.New()
 
-	key, ok := app.LookupEnv("KEY")
+	key, ok := ccs.Application.LookupEnv("KEY")
 	if !ok {
 		return cc, nil
 	}
diff --git a/internal/demo/demo.go b/internal/demo/demo.go
index 8c0dea3..afaadbf 100644
--- a/internal/demo/demo.go
+++ b/internal/demo/demo.go
@@ -51,20 +51,20 @@ func (d *demo) succeeded(_ *runner.Job) {
 	// nothing to do
 }
 
-func Build(app components.Application, logger components.Logger, model components.Model) error {
-	if _, ok := app.LookupEnv("CONFIG"); ok {
+func Build(ccs *components.Components) error {
+	if _, ok := ccs.Application.LookupEnv("CONFIG"); ok {
 		return nil
 	}
 
-	if v, ok := app.LookupEnv("DEMO"); !ok || v != "t" && v != "true" {
+	if v, ok := ccs.Application.LookupEnv("DEMO"); !ok || v != "t" && v != "true" {
 		return nil
 	}
 
 	d := &demo{
-		logger: logger,
+		logger: ccs.Logger,
 	}
 
-	r := runner.New("demo", model)
+	r := runner.New("demo", ccs.Model)
 
 	if err := r.AddJobHandler("panic", runner.JHF(d.panic)); err != nil {
 		return err
@@ -79,11 +79,11 @@ func Build(app components.Application, logger components.Logger, model component
 	}
 
 	p, err := workers.NewPool(&workers.Config{
-		Logger:   logger,
-		Model:    model,
+		Logger:   ccs.Logger,
+		Model:    ccs.Model,
 		Runner:   r,
 		PoolSize: 2,
-		Host:     app.Host(),
+		Host:     ccs.Application.Host(),
 	})
 	if err != nil {
 		return err
diff --git a/internal/logger/logger.go b/internal/logger/logger.go
index a4d3b6a..e469330 100644
--- a/internal/logger/logger.go
+++ b/internal/logger/logger.go
@@ -13,7 +13,8 @@ import (
 )
 
 // AFAIRE.
-func Build(app components.Application, _ components.Config) (components.Logger, error) {
+func Build(ccs *components.Components) (components.Logger, error) {
+	app := ccs.Application
 	return logger.New(app.ID(), app.Name(), "trace", logger.NewStderrOutput())
 }
 
diff --git a/internal/model/model.go b/internal/model/model.go
index 31935db..e54f55d 100644
--- a/internal/model/model.go
+++ b/internal/model/model.go
@@ -13,10 +13,10 @@ import (
 )
 
 // Build AFAIRE.
-func Build(logger components.Logger, storage components.Storage) (components.Model, error) {
+func Build(ccs *components.Components) (components.Model, error) {
 	config := &model.Config{
-		Logger:  logger,
-		Storage: storage,
+		Logger:  ccs.Logger,
+		Storage: ccs.Storage,
 	}
 
 	return model.New(config)
diff --git a/internal/router/router.go b/internal/router/router.go
index 7029dee..985d271 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -25,7 +25,7 @@ func newRouter() *router {
 }
 
 // Build AFAIRE.
-func Build(logger components.Logger) components.Router {
+func Build(_ *components.Components) components.Router {
 	cr := newRouter()
 
 	cr.mux.PanicHandler = func(rw http.ResponseWriter, _ *http.Request, _ interface{}) {
diff --git a/internal/server/server.go b/internal/server/server.go
index bc9f037..2b904ad 100644
--- a/internal/server/server.go
+++ b/internal/server/server.go
@@ -30,11 +30,11 @@ func newServer(logger components.Logger) *server {
 	}
 }
 
-func Build(config components.Config, logger components.Logger, router components.Router) (components.Server, error) {
-	cs := newServer(logger.NewLogger(uuid.New(), "server"))
-	cfg := config.Server()
+func Build(ccs *components.Components) (components.Server, error) {
+	cs := newServer(ccs.Logger.NewLogger(uuid.New(), "server"))
+	cfg := ccs.Config.Server()
 
-	handler := middleware.Trace(router.Handler(), logger)
+	handler := middleware.Trace(ccs.Router.Handler(), ccs.Logger)
 
 	cs.server = &http.Server{
 		Addr:         fmt.Sprintf(":%d", cfg.Port),
diff --git a/internal/storage/storage.go b/internal/storage/storage.go
index 67c34e7..3ddf4e9 100644
--- a/internal/storage/storage.go
+++ b/internal/storage/storage.go
@@ -14,12 +14,8 @@ import (
 )
 
 // Build AFAIRE.
-func Build(app components.Application,
-	config components.Config,
-	logger components.Logger,
-	crypto components.Crypto) (components.Storage, error) {
-
-	cfg := config.Storage()
+func Build(ccs *components.Components) (components.Storage, error) {
+	cfg := ccs.Config.Storage()
 
 	switch cfg.Type {
 	case "memory":