implement webserver

cmd/kuriweb/config.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"git.loyso.art/frx/kurious/internal/common/config"
+)
+
+type Config struct {
+	Log  config.Log  `json:"log"`
+	YDB  config.YDB  `json:"ydb"`
+	HTTP config.HTTP `json:"http"`
+}
+
+func readFromFile(path string, defaultConfigF func() Config) (Config, error) {
+	out := defaultConfigF()
+	payload, err := os.ReadFile(path)
+	if err != nil {
+		return out, fmt.Errorf("opening file: %w", err)
+	}
+
+	err = json.Unmarshal(payload, &out)
+	if err != nil {
+		return out, fmt.Errorf("decoding as json: %w", err)
+	}
+
+	return out, nil
+}
+
+func defaultConfig() Config {
+	return Config{
+		Log: config.Log{
+			Level:  config.LogLevelInfo,
+			Format: config.LogFormatText,
+		},
+	}
+}