build info

* API endpoint
* dockerfile adds commit hash and build time during build

server/constants.go

@@ -2,6 +2,7 @@ package server
 
 const (
 	URIPing              = "/ping"
+	URIBuildInfo         = "/build-info"
 	URIHardFail          = "/hard-fail"
 	URISoftFail          = "/soft-fail"
 	URIReinit            = "/reinit"

server/handling.go

@@ -81,6 +81,12 @@ func (s *Server) setupRouter() *gin.Engine {
 	router.GET(URIPing, func(gc *gin.Context) {
 		gc.Status(http.StatusNoContent)
 	})
+	router.GET(URIBuildInfo, func(gc *gin.Context) {
+		gc.JSON(http.StatusOK, models.BuildInfo{
+			VersionHash: s.config.VersionHash,
+			BuildTime:   s.config.BuildTime,
+		})
+	})
 	router.GET(URIHardFail, func(gc *gin.Context) {
 		gc.Status(http.StatusNotImplemented)
 	})

server/server.go

@@ -35,6 +35,8 @@ type Server struct {
 }
 
 type ServerConfig struct {
+	VersionHash   string
+	BuildTime     *time.Time
 	Port          int
 	DbPath        string
 	TilepackPath  string