Makefile: build_$(module) depends on $(module).Dockerfile

Makefile

@@ -17,7 +17,7 @@ container_image_name = $(REGISTRY_DOMAIN)/$(REGISTRY_USER)/joeac.net-$(module)
 
 define build_module_rule =
 .PHONY: build_$(module)
-build_$(module): make_$(module)
+build_$(module): make_$(module) $(module).Dockerfile
 	sudo podman-compose build $(module)
 endef
 

compose.yml

@@ -20,7 +20,8 @@ services:
   smtp:
     image: git.joeac.net/joeac/joeac.net-smtp
     build:
-      context: smtp
+      context: .
+      dockerfile: smtp.Dockerfile
       args:
         LOCAL_SMTP_PORT: 2500
     env_file:

smtp.Dockerfile

@@ -1,4 +1,4 @@
 FROM git.joeac.net/joeac/armv7/msmtp:1.8.32-alpine3.23
 ARG LOCAL_SMTP_PORT
 EXPOSE $LOCAL_SMTP_PORT
-COPY .msmtprc ./
+COPY smtp/.msmtprc ./