small lint fixup

Dockerfile

@@ -7,9 +7,9 @@ WORKDIR /godoor
 COPY go.mod go.sum ./
 RUN go mod download && go mod verify
 
-
 COPY . .
 
+# fully static build (takes ~300s to build):
 ENV GOBUILDLDFLAGS="-linkmode 'external' -extldflags '-static'"
 RUN go build -tags netgo .
 

godoor.go

@@ -235,7 +235,7 @@ func setup(ctx context.Context) {
 }
 
 func listenSig1(ctx context.Context, wiegand Wiegand) {
-	usrSig := make(chan os.Signal)
+	usrSig := make(chan os.Signal, 1)
 	signal.Notify(usrSig, syscall.SIGUSR1)
 
 	for {