add health check api

pkg/api/healths.go

@@ -0,0 +1,26 @@
+package api
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+// HealthsApi represents health api
+type HealthsApi struct{}
+
+// Initialize a healths api singleton instance
+var (
+	Healths = &HealthsApi{}
+)
+
+// HealthStatusHandler returns the health status of current service
+func (a *HealthsApi) HealthStatusHandler(c *core.Context) (interface{}, *errs.Error) {
+	result := make(map[string]string)
+
+	result["version"] = settings.Version
+	result["commit"] = settings.CommitHash
+	result["status"] = "ok"
+
+	return result, nil
+}