feat: initialize managed portal

internal/config/config.go

@@ -0,0 +1,29 @@
+package config
+
+import "os"
+
+type Config struct {
+	HTTPAddr     string
+	WebDistDir   string
+	RegistryPath string
+}
+
+func Load() *Config {
+	cfg := &Config{
+		HTTPAddr:     ":8080",
+		WebDistDir:   "web/dist",
+		RegistryPath: "managed_services.yaml",
+	}
+
+	if value := os.Getenv("MANAGED_PORTAL_HTTP_ADDR"); value != "" {
+		cfg.HTTPAddr = value
+	}
+	if value := os.Getenv("MANAGED_PORTAL_WEB_DIST_DIR"); value != "" {
+		cfg.WebDistDir = value
+	}
+	if value := os.Getenv("MANAGED_PORTAL_REGISTRY_PATH"); value != "" {
+		cfg.RegistryPath = value
+	}
+
+	return cfg
+}