diff --git a/foodservice.go b/foodservice.go
index dde25da..21cc7b6 100644
--- a/foodservice.go
+++ b/foodservice.go
@@ -11,19 +11,19 @@ type (
 		db *DB
 	}
 	Food struct {
-		rowid      int64
-		date       string
-		food       string
-		descripton string
-		amount     float32
-		per100     float32
-		energy     float32
+		rowid      int64   `json:"rowid"`
+		date       string  `json:"date"`
+		food       string  `json:"food"`
+		descripton string  `json:"description"`
+		amount     float32 `json:"amount"`
+		per100     float32 `json:"per100"`
+		energy     float32 `json:"energy"`
 	}
 	AggregatedFood struct {
-		period    string
-		amount    float32
-		avgPer100 float32
-		energy    float32
+		period    string  `json:"period"`
+		amount    float32 `json:"amount"`
+		avgPer100 float32 `json:"avgPer100"`
+		energy    float32 `json:"energy"`
 	}
 )
 
@@ -32,7 +32,7 @@ const foodAggregatedColumns = "period, amount, avgPer100, energy"
 
 func (s *FoodService) GetRecent() ([]Food, error) {
 	var res []Food
-	if s.db == nil || !s.db.Ready { 
+	if s.db == nil || !s.db.Ready {
 		return res, fmt.Errorf("cannot get recent food, db is nil or is not ready")
 	}
 
@@ -66,7 +66,7 @@ func (s *FoodService) Create(food Food) (Food, error) {
 	if food.amount <= 0 {
 		return food, fmt.Errorf("cannot create food, amount is less than or equal to 0")
 	}
-	
+
 	var res sql.Result
 	var err error
 	if food.per100 > 0 {
@@ -237,4 +237,4 @@ func (s *FoodService) GetYearly() ([]AggregatedFood, error) {
 	}
 
 	return res, nil
-}
\ No newline at end of file
+}
diff --git a/settingsservice.go b/settingsservice.go
index 83a199a..6378cb8 100644
--- a/settingsservice.go
+++ b/settingsservice.go
@@ -13,21 +13,21 @@ type (
 )
 
 type settings struct {
-	FoodDaysLookback           int
-	FoodAggregatedDaysLookback int
-	FoodDailyLookback          int
-	FoodWeeklyLookback         int
-	FoodMonthlyLookback        int
-	FoodYearlyLookback         int
+	FoodDaysLookback           int `default:"30" json:"foodDaysLookback"`
+	FoodAggregatedDaysLookback int `default:"30" json:"foodAggregatedDaysLookback"`
+	FoodDailyLookback          int `default:"30" json:"foodDailyLookback"`
+	FoodWeeklyLookback         int `default:"4" json:"foodWeeklyLookback"`
+	FoodMonthlyLookback        int `default:"4" json:"foodMonthlyLookback"`
+	FoodYearlyLookback         int `default:"2" json:"foodYearlyLookback"`
 
-	WeightDaysLookback           int
-	WeightAggregatedDaysLookback int
-	WeightDailyLookback          int
-	WeightWeeklyLookback         int
-	WeightMonthlyLookback        int
-	WeightYearlyLookback         int
+	WeightDaysLookback           int `default:"30" json:"weightDaysLookback"`
+	WeightAggregatedDaysLookback int `default:"30" json:"weightAggregatedDaysLookback"`
+	WeightDailyLookback          int `default:"30" json:"weightDailyLookback"`
+	WeightWeeklyLookback         int `default:"4" json:"weightWeeklyLookback"`
+	WeightMonthlyLookback        int `default:"4" json:"weightMonthlyLookback"`
+	WeightYearlyLookback         int `default:"2" json:"weightYearlyLookback"`
 
-	Target int
+	Target int `default:"2000" json:"target"`
 }
 
 var Settings settings