First draft

internal/config/config.go

@@ -0,0 +1,52 @@
+package config
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+type Config struct {
+	Port              string
+	DataDir           string
+	DatabasePath      string
+	JWTSecret         string
+	BaseURL           string
+	AllowRegistration bool
+	LogLevel          string
+}
+
+func Load() *Config {
+	port := getEnv("PORT", "8080")
+	dataDir := getEnv("DATA_DIR", "./data")
+	dbURL := getEnv("DATABASE_URL", "")
+
+	dbPath := filepath.Join(dataDir, "mindsift.db")
+	if strings.HasPrefix(dbURL, "sqlite://") {
+		dbPath = strings.TrimPrefix(dbURL, "sqlite://")
+	} else if dbURL != "" && !strings.HasPrefix(dbURL, "postgres") {
+		dbPath = dbURL
+	}
+
+	jwtSecret := getEnv("JWT_SECRET", "mindsift-default-selfhosted-jwt-secret-key-2026")
+	baseURL := getEnv("BASE_URL", "http://localhost:"+port)
+	allowReg := strings.ToLower(getEnv("ALLOW_REGISTRATION", "true")) != "false"
+	logLevel := getEnv("LOG_LEVEL", "info")
+
+	return &Config{
+		Port:              port,
+		DataDir:           dataDir,
+		DatabasePath:      dbPath,
+		JWTSecret:         jwtSecret,
+		BaseURL:           baseURL,
+		AllowRegistration: allowReg,
+		LogLevel:          logLevel,
+	}
+}
+
+func getEnv(key, fallback string) string {
+	if val, ok := os.LookupEnv(key); ok && strings.TrimSpace(val) != "" {
+		return strings.TrimSpace(val)
+	}
+	return fallback
+}