Initial cloud-services repo - gateway service + pkg modules

pkg/utils/app/app.go

@@ -0,0 +1,28 @@
+package app
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+
+	"fiskerinc.com/modules/logger"
+)
+
+// Setup primes application while enabling proper
+// cleanup methods
+func Setup(app string, cleanup func()) {
+	logger.Info().Msgf("initializing %s", app)
+	EnableGracefulShutdown(cleanup)
+}
+
+// EnableGracefulShutdown catches ctrl+c interrupt
+// to allow for graceful shutdowns
+func EnableGracefulShutdown(cleanup func()) {
+	c := make(chan os.Signal)
+	signal.Notify(c, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		<-c
+		cleanup()
+		os.Exit(1)
+	}()
+}