From 5fd15c706b2f05b20f6441d07c68141d93e30ca8 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Thu, 2 Jul 2026 09:41:07 +0100
Subject: [PATCH] build_module only requires Dockerfile if one exists

---
 make/container.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/make/container.mk b/make/container.mk
index 84a6483..5d8a47b 100644
--- a/make/container.mk
+++ b/make/container.mk
@@ -7,10 +7,11 @@ REGISTRY_USER := joeac
 
 container_image_name = $(REGISTRY_DOMAIN)/$(REGISTRY_USER)/$(CONTAINER_PREFIX)joeac.net-$(module)
 is_containerised = $(filter $(COMPOSE_SERVICES),$(module))
+has_dockerfile = $(shell test -f $(module).Dockerfile)
 
 define build_module_rule =
 .PHONY: build_$(module)
-build_$(module): $(if $(is_containerised),make_$(module) $(module).Dockerfile)
+build_$(module): $(if $(is_containerised),make_$(module) $(if $(has_dockerfile),$(module).Dockerfile))
 	$(if $(is_containerised),\
 		IMAGE_PREFIX="$(IMAGE_PREFIX)" podman-compose build $(module))
 endef