feat(misc): add --gotenberg-hide-banner flag

Makefile

@@ -10,6 +10,7 @@ build: ## Build the Gotenberg's Docker image
 	-t $(DOCKER_REGISTRY)/$(DOCKER_REPOSITORY):$(GOTENBERG_VERSION) \
 	-f $(DOCKERFILE) $(DOCKER_BUILD_CONTEXT)
 
+GOTENBERG_HIDE_BANNER=false
 GOTENBERG_GRACEFUL_SHUTDOWN_DURATION=30s
 GOTENBERG_BUILD_DEBUG_DATA=true
 API_PORT=3000
@@ -85,6 +86,7 @@ run: ## Start a Gotenberg container
 	-e GOTENBERG_API_BASIC_AUTH_PASSWORD=$(GOTENBERG_API_BASIC_AUTH_PASSWORD) \
 	$(DOCKER_REGISTRY)/$(DOCKER_REPOSITORY):$(GOTENBERG_VERSION) \
 	gotenberg \
+	--gotenberg-hide-banner=$(GOTENBERG_HIDE_BANNER) \
 	--gotenberg-graceful-shutdown-duration=$(GOTENBERG_GRACEFUL_SHUTDOWN_DURATION) \
 	--gotenberg-build-debug-data="$(GOTENBERG_BUILD_DEBUG_DATA)" \
 	--api-port=$(API_PORT) \

cmd/gotenberg.go

@@ -36,11 +36,11 @@ var Version = "snapshot"
 
 // Run starts the Gotenberg application. Call this in the main of your program.
 func Run() {
-	fmt.Printf(banner, Version)
 	gotenberg.Version = Version
 
 	// Create the root FlagSet and adds the modules flags to it.
 	fs := flag.NewFlagSet("gotenberg", flag.ExitOnError)
+	fs.Bool("gotenberg-hide-banner", false, "Hide the banner")
 	fs.Duration("gotenberg-graceful-shutdown-duration", time.Duration(30)*time.Second, "Set the graceful shutdown duration")
 	fs.Bool("gotenberg-build-debug-data", true, "Set if build data is needed")
 
@@ -51,8 +51,6 @@ func Run() {
 		modsInfo += desc.ID + " "
 	}
 
-	fmt.Printf("[SYSTEM] modules: %s\n", modsInfo)
-
 	// Parse the flags.
 	err := fs.Parse(os.Args[1:])
 	if err != nil {
@@ -90,10 +88,14 @@ func Run() {
 
 	// Create a wrapper around our flags.
 	parsedFlags := gotenberg.ParsedFlags{FlagSet: fs}
-
-	// Get the graceful shutdown duration.
+	hideBanner := parsedFlags.MustBool("gotenberg-hide-banner")
 	gracefulShutdownDuration := parsedFlags.MustDuration("gotenberg-graceful-shutdown-duration")
 
+	if !hideBanner {
+		fmt.Printf(banner, Version)
+	}
+	fmt.Printf("[SYSTEM] modules: %s\n", modsInfo)
+
 	ctx := gotenberg.NewContext(parsedFlags, descriptors)
 
 	// Start application modules.