fix bad pat

Dockerfile

@@ -7,6 +7,7 @@ COPY . .
 RUN dep ensure && ./build.sh
 
 
+
 FROM debian:buster-slim
 COPY --from=build /go/bin/chart-server .
 ENTRYPOINT ["./chart-server"]

main.go

@@ -38,7 +38,7 @@ func handleUpload(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, "InternalServerError", http.StatusInternalServerError)
 		return
 	}
-	// got a stat result, file must exist
+	// got a stat result, file must exist already and we should not overwrite
 	if st != nil {
 		http.Error(w, "File exists", http.StatusForbidden)
 		return
@@ -173,7 +173,7 @@ Options can also be specified as environment variables $CHART_SVR_<name>
 	r.HandleFunc("/status", handleStatus).Methods("GET")
 	// Limit to only index.yaml and chart (.tgz) files
 	r.HandleFunc(`/{filename:(?:index.yaml|.*-.*.tgz)}`, handleGetFile).Methods("GET")
-	r.HandleFunc(`/{chart:.*-.*\.tgz}`, handleUpload).Methods("PUT")
+	r.HandleFunc(`/{chart:.*-.*.tgz}`, handleUpload).Methods("PUT")
 	r.HandleFunc("/", handleGetHome)
 
 	h := handlers.CombinedLoggingHandler(os.Stdout, handlers.CORS()(r))