diff --git a/app/routes_test.go b/app/routes_test.go
index 2fd5f64..b356233 100644
--- a/app/routes_test.go
+++ b/app/routes_test.go
@@ -17,12 +17,17 @@ import (
 const connstr = "file:ent_tests?mode=memory&_fk=1"
 
 var conf = &config.Config{
-	Port:                3005,
-	AppName:             "pcmt-test",
-	LiveMode:            true,
-	DevelMode:           false,
-	SessionCookieName:   "sessionz",
-	SessionCookieSecret: "secret",
+	Port:      3005,
+	AppName:   "pcmt-test",
+	LiveMode:  true,
+	DevelMode: false,
+	Session: struct {
+		CookieName   string
+		CookieSecret string
+	}{
+		CookieName:   "sessionz",
+		CookieSecret: "secret",
+	},
 }
 
 var (
diff --git a/app/settings/settings.go b/app/settings/settings.go
index 150a902..6acdd20 100644
--- a/app/settings/settings.go
+++ b/app/settings/settings.go
@@ -38,8 +38,8 @@ func (s *Settings) Consolidate(conf *config.Config, host *string, port *int, dev
 	s.SetAppName(conf.AppName)
 	s.SetIsLive(conf.LiveMode)
 	s.SetIsDevel(conf.DevelMode)
-	s.SetSessionCookieName(conf.SessionCookieName)
-	s.SetSessionCookieSecret(conf.SessionCookieSecret)
+	s.SetSessionCookieName(conf.Session.CookieName)
+	s.SetSessionCookieSecret(conf.Session.CookieSecret)
 
 	log.Debug("checking flag overrides")
 
diff --git a/config/config.go b/config/config.go
index 14cf1a0..91d2a87 100644
--- a/config/config.go
+++ b/config/config.go
@@ -11,14 +11,23 @@ import (
 	"github.com/philandstuff/dhall-golang/v6"
 )
 
+type session struct {
+	CookieName   string
+	CookieSecret string
+}
+
 type Config struct {
-	Host                string
-	Port                int
-	AppName             string
-	LiveMode            bool
-	DevelMode           bool
-	SessionCookieName   string
-	SessionCookieSecret string
+	Host         string
+	Port         int
+	AppName      string
+	LiveMode     bool
+	DevelMode    bool
+	Session      session
+	Registration struct{ Allowed bool }
+	Logger       struct {
+		Json bool //nolint:revive
+		Fmt  string
+	}
 }
 
 func LoadConfig(conf string, isPath bool) (*Config, error) {
diff --git a/config/config_test.go b/config/config_test.go
index ce7c19b..268947a 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -39,7 +39,7 @@ func TestConfig(t *testing.T) {
 			conf: `
 			let ConfigSchema =
 				  https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
-					sha256:ad7ba86d5d388a99b7543faa0e4c81ba1d9b78fa6c32fdaf4ac4477089d177be
+					sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
 				  ? https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
 
 			let Config = ConfigSchema.Schema
@@ -57,7 +57,7 @@ func TestConfig(t *testing.T) {
 			conf: `
 			let ConfigSchema =
 				  https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
-					sha256:ad7ba86d5d388a99b7543faa0e4c81ba1d9b78fa6c32fdaf4ac4477089d177be
+					sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
 				  ? https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
 
 			let Config = ConfigSchema.Schema
diff --git a/config/schema/package.dhall b/config/schema/package.dhall
index 8c01f97..a75cd6a 100644
--- a/config/schema/package.dhall
+++ b/config/schema/package.dhall
@@ -1,10 +1,10 @@
 { Schema =
       ./schema.dhall
-        sha256:1e8d4a3e16af1fa5b9b602a62c59440b933652c04b695095651ee04194b97138
+        sha256:3269ff2c6eba9856b819f3e7fccd44f2745fdff9d02498e6f0a1474ce650af17
     ? ./schema.dhall
 , Schema/validate =
       ./validate.dhall
-        sha256:eb0df6eb95180f502ec1fbdf62ba6010e2cfc82b3dfe75163fa686d98c31eb6b
+        sha256:9e327f316fce0ced3598e14020a8a1ee3bd603a7817cb9e62ceddac3ece10e76
     ? ./validate.dhall
 , Prelude =
     ./prelude.dhall
diff --git a/config/schema/schema.dhall b/config/schema/schema.dhall
index f82d01b..f4c2d24 100644
--- a/config/schema/schema.dhall
+++ b/config/schema/schema.dhall
@@ -6,8 +6,9 @@ let Schema =
           , AppName : Text
           , LiveMode : Bool
           , DevelMode : Bool
-          , SessionCookieName : Optional Text
-          , SessionCookieSecret : Optional Text
+          , Session : { CookieName : Optional Text, CookieSecret : Text }
+          , Logger : { Json : Bool, Fmt : Optional Text }
+          , Registration : { Allowed : Bool }
           }
       , default =
           -- | have sane defaults.
@@ -16,8 +17,9 @@ let Schema =
           , AppName = "pcmt"
           , LiveMode = False
           , DevelMode = False
-          , SessionCookieName = None Text
-          , SessionCookieSecret = None Text
+          , Session = { CookieName = None Text, CookieSecret = "secretz" }
+          , Logger = { Json = True, Fmt = None Text }
+          , Registration.Allowed = True
           }
       }
 
diff --git a/config/schema/validate.dhall b/config/schema/validate.dhall
index f31da79..c4fa365 100644
--- a/config/schema/validate.dhall
+++ b/config/schema/validate.dhall
@@ -5,7 +5,7 @@ let Prelude =
 
 let Schema =
         ./schema.dhall
-          sha256:1e8d4a3e16af1fa5b9b602a62c59440b933652c04b695095651ee04194b97138
+          sha256:3269ff2c6eba9856b819f3e7fccd44f2745fdff9d02498e6f0a1474ce650af17
       ? ./schema.dhall
 
 let Schema/validate
diff --git a/config/testconfigs/1.dhall b/config/testconfigs/1.dhall
index a1fdc69..ad57fdf 100644
--- a/config/testconfigs/1.dhall
+++ b/config/testconfigs/1.dhall
@@ -1,6 +1,7 @@
 let ConfigSchema =
-      https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
-        sha256:ad7ba86d5d388a99b7543faa0e4c81ba1d9b78fa6c32fdaf4ac4477089d177be
+        https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
+          sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
+      ? https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
 
 let Config = ConfigSchema.Schema
 
diff --git a/config/testconfigs/2.dhall b/config/testconfigs/2.dhall
index 624a527..13f70d0 100644
--- a/config/testconfigs/2.dhall
+++ b/config/testconfigs/2.dhall
@@ -1,6 +1,7 @@
 let ConfigSchema =
-      https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
-        sha256:ad7ba86d5d388a99b7543faa0e4c81ba1d9b78fa6c32fdaf4ac4477089d177be
+        https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
+          sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
+      ? https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
 
 let Config = ConfigSchema.Schema
 
diff --git a/exampleConfig.dhall b/exampleConfig.dhall
index bac4ff6..8ddd37a 100644
--- a/exampleConfig.dhall
+++ b/exampleConfig.dhall
@@ -1,7 +1,8 @@
-{- import config schema that is integrity-check protected -}
+{- import config schema that is integrity-check protected (with a fallback) -}
 let ConfigSchema =
-      https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
-        sha256:ad7ba86d5d388a99b7543faa0e4c81ba1d9b78fa6c32fdaf4ac4477089d177be
+        https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
+          sha256:c82b0904c261d442e5765c2f47d76ad53c3c3ed16ace1b33416cedf98f2f5df0
+      ? https://git.dotya.ml/mirre-mt/pcmt/raw/branch/development/config/schema/package.dhall
 
 let Config = ConfigSchema.Schema