add log for badges

cmd/badges/main.go

@@ -13,6 +13,7 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+	"sync"
 	"time"
 
 	"github.com/boyter/scc/v3/processor"
@@ -30,6 +31,8 @@ var (
 	countingSemaphore = make(chan bool, 1)
 	tmpDir            = os.TempDir()
 	json              = jsoniter.ConfigCompatibleWithStandardLibrary
+	locationLog       = []string{}
+	locationLogMutex  = sync.Mutex{}
 )
 
 func intPtr(i int) *int {
@@ -41,6 +44,14 @@ func timePtr(t time.Duration) *time.Duration {
 }
 
 func main() {
+	http.HandleFunc("/health-check/", func(w http.ResponseWriter, r *http.Request) {
+		locationLogMutex.Lock()
+		for _, l := range locationLog {
+			_, _ = w.Write([]byte(l + "\n"))
+		}
+		locationLogMutex.Unlock()
+	})
+
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		loc, err := processUrlPath(r.URL.Path)
 		if err != nil {
@@ -49,6 +60,8 @@ func main() {
 			return
 		}
 
+		appendLocationLog(loc.String())
+
 		res, err := process(1, loc)
 		if err != nil {
 			log.Error().Str(uniqueCode, "03ec75c3").Err(err).Str("loc", loc.String()).Send()
@@ -87,6 +100,17 @@ func main() {
 	}
 }
 
+func appendLocationLog(log string) {
+	locationLogMutex.Lock()
+	defer locationLogMutex.Unlock()
+
+	locationLog = append(locationLog, log)
+
+	if len(locationLog) > 100 {
+		locationLog = locationLog[1:]
+	}
+}
+
 func calculate(category string, wage int, res []processor.LanguageSummary) (string, int64) {
 	title := ""
 	var value int64