diff --git a/app/app.go b/app/app.go
index 03f2dbe..a241f1f 100644
--- a/app/app.go
+++ b/app/app.go
@@ -9,6 +9,7 @@ import (
 	"git.sr.ht/~cco/go-scopes/config"
 	"git.sr.ht/~cco/go-scopes/lib"
 	"git.sr.ht/~cco/go-scopes/lib/message"
+	"git.sr.ht/~cco/go-scopes/logging"
 	"git.sr.ht/~cco/go-scopes/logging/log"
 )
 
@@ -16,6 +17,7 @@ type Cfg struct {
 	*config.Base
 	AppType string
 	Home    string
+	Logging *logging.Config
 }
 
 func Start(ctx lib.Context) {
diff --git a/examples/demo/etc/etc.go b/examples/demo/etc/etc.go
index 8094c23..fe597f7 100644
--- a/examples/demo/etc/etc.go
+++ b/examples/demo/etc/etc.go
@@ -4,6 +4,7 @@ import (
 	"git.sr.ht/~cco/go-scopes/app"
 	"git.sr.ht/~cco/go-scopes/config"
 	"git.sr.ht/~cco/go-scopes/lib"
+	"git.sr.ht/~cco/go-scopes/logging"
 )
 
 func Config() lib.Config {
@@ -13,6 +14,9 @@ func Config() lib.Config {
 		Base:    b("dummy", app.Start),
 		Home:    ovr(".", HOME),
 		AppType: "standard",
+		Logging: &logging.Config{
+			Logfile: ovr("log/scopes.log", LOGFILE),
+		},
 	}
 	cfg.Add(config.Cfg{
 		Base:         b("config", config.Start),
@@ -24,5 +28,6 @@ func Config() lib.Config {
 // collect here the names of fields that may be overridden via
 // explicit Override() or SCOPES_* environment settings.
 const (
-	HOME = "home"
+	HOME    = "home"
+	LOGFILE = "logfile"
 )
diff --git a/examples/demo/go.mod b/examples/demo/go.mod
index 5c41c08..63f4dbd 100644
--- a/examples/demo/go.mod
+++ b/examples/demo/go.mod
@@ -4,4 +4,11 @@ go 1.20
 
 require git.sr.ht/~cco/go-scopes v0.1.20
 
+require (
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/rs/zerolog v1.29.1 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+)
+
 replace git.sr.ht/~cco/go-scopes => ../../../go-scopes
diff --git a/examples/demo/go.sum b/examples/demo/go.sum
new file mode 100644
index 0000000..11b371d
--- /dev/null
+++ b/examples/demo/go.sum
@@ -0,0 +1,19 @@
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.29.1 h1:cO+d60CHkknCbvzEWxP0S9K6KqyTjrCNUy1LdQLCGPc=
+github.com/rs/zerolog v1.29.1/go.mod h1:Le6ESbR7hc+DP6Lt1THiV8CQSdkkNrd3R0XbEgp3ZBU=
+golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/examples/demo/log/README.md b/examples/demo/log/README.md
new file mode 100644
index 0000000..6878c3c
--- /dev/null
+++ b/examples/demo/log/README.md
@@ -0,0 +1 @@
+Directory `log`. Store log files here.
diff --git a/examples/demo/main.go b/examples/demo/main.go
index 3283ef5..c44e341 100644
--- a/examples/demo/main.go
+++ b/examples/demo/main.go
@@ -7,6 +7,7 @@ import (
 
 	"git.sr.ht/~cco/go-scopes"
 	"git.sr.ht/~cco/go-scopes/app"
+	"git.sr.ht/~cco/go-scopes/logging"
 )
 
 func main() {
@@ -14,5 +15,6 @@ func main() {
 	fmt.Println(cfg.Name())
 	appCfg := cfg.(*app.Cfg)
 	fmt.Println(appCfg.Home)
+	logging.Setup(appCfg.Logging, appCfg.Home)
 	scopes.RunApp(cfg)
 }
diff --git a/lib/lib.go b/lib/lib.go
index a634c44..da78097 100644
--- a/lib/lib.go
+++ b/lib/lib.go
@@ -23,9 +23,9 @@ type Config interface {
 	Step() StepProc
 	MessageHandler() MessageHandler
 	Actions() []ActionConfig
+	AddAction(string, ActionSpec)
 	Children() []Config
 	Add(Config)
-	AddAction(string, ActionSpec)
 }
 
 type Services map[string]Context
diff --git a/logging/log/log.go b/logging/log/log.go
index 1acfd49..7ab1f4c 100644
--- a/logging/log/log.go
+++ b/logging/log/log.go
@@ -1,5 +1,5 @@
 package log
 
-import "github.com/rs/zerolog/log"
+import "git.sr.ht/~cco/go-scopes/logging"
 
-var Info = log.Info
+var Info = logging.Logger.Info
diff --git a/logging/logging.go b/logging/logging.go
index 2b43acc..eb6de12 100644
--- a/logging/logging.go
+++ b/logging/logging.go
@@ -1 +1,19 @@
 package logging
+
+import (
+	"fmt"
+
+	"github.com/rs/zerolog/log"
+)
+
+var Logger = log.Logger
+
+type Config struct {
+	Logfile string
+}
+
+func Setup(cfg *Config, home string) {
+	if cfg != nil {
+		fmt.Println("logging:", home, cfg.Logfile)
+	}
+}
diff --git a/testing/testing.go b/testing/testing.go
index ea64d24..e57e7ed 100644
--- a/testing/testing.go
+++ b/testing/testing.go
@@ -12,6 +12,7 @@ import (
 	"git.sr.ht/~cco/go-scopes/lib"
 	"git.sr.ht/~cco/go-scopes/lib/context"
 	"git.sr.ht/~cco/go-scopes/lib/message"
+	"git.sr.ht/~cco/go-scopes/logging"
 )
 
 func Start(ctx lib.Context) {
@@ -39,6 +40,8 @@ func SetUp(tbase *testing.T) *T {
 }
 
 func SetUpApp(tbase *testing.T, cfg lib.Config) *T {
+	appCfg := cfg.(*app.Cfg)
+	logging.Setup(appCfg.Logging, appCfg.Home)
 	t := SetUp(tbase)
 	t.Ctx = context.AppContext(cfg).WithState(t)
 	cfg.Starter()(t.Ctx)
diff --git a/tests/etc/etc.go b/tests/etc/etc.go
index d506881..93425a8 100644
--- a/tests/etc/etc.go
+++ b/tests/etc/etc.go
@@ -6,6 +6,7 @@ import (
 	"git.sr.ht/~cco/go-scopes/lib"
 	"git.sr.ht/~cco/go-scopes/lib/action"
 	"git.sr.ht/~cco/go-scopes/lib/core"
+	"git.sr.ht/~cco/go-scopes/logging"
 	"git.sr.ht/~cco/go-scopes/testing"
 )
 
@@ -17,6 +18,9 @@ func Config() lib.Config {
 		Base:    b("testing", testing.Start),
 		Home:    ovr(".", HOME),
 		AppType: "standard",
+		Logging: &logging.Config{
+			Logfile: ovr("log/scopes.log", LOGFILE),
+		},
 	}
 	cfg.AddAction("demo",
 		action.BaseSpec(action.Forward,
@@ -43,7 +47,8 @@ var (
 // collect here the names of fields that may be overridden via
 // explicit Override() or SCOPES_* environment settings.
 const (
-	HOME = "home"
+	HOME    = "home"
+	LOGFILE = "logfile"
 )
 
 // in a production scenario this should be put in a separate
diff --git a/tests/log/README.md b/tests/log/README.md
new file mode 100644
index 0000000..6878c3c
--- /dev/null
+++ b/tests/log/README.md
@@ -0,0 +1 @@
+Directory `log`. Store log files here.