adds flatnotes

.gitignore

@@ -0,0 +1 @@
+flatnotes-src

Makefile

@@ -13,6 +13,7 @@ tag_alpine_version_parts := alpine $(addprefix alpine,$(call all_versions,$(ALPI
 tag_app_version_parts = $(call all_versions,$(app_version))
 tags =  $(tag_app_version_parts) $(tag_alpine_version_parts)\
 	$(foreach app_part,$(tag_app_version_parts),$(addprefix $(app_part)-,$(tag_alpine_version_parts)))
+docker_context = $(if $(DOCKER_CONTEXT_$(target)),$(DOCKER_CONTEXT_$(target)),$(target))
 
 define build_rule =
 .PHONY: build_$(target)
@@ -21,7 +22,7 @@ build_$(target):
 		-t $(container_image_name):latest \
 		--build-arg "ALPINE_VERSION=$(ALPINE_VERSION)" \
 		--build-arg "VERSION=$(app_version)" \
-		$(target)
+		$(docker_context)
 endef
 
 define tag_rule =

flatnotes/Makefile

@@ -0,0 +1,15 @@
+flatnotes_version = $(let target,flatnotes,$(app_version))
+DOCKER_CONTEXT_flatnotes = flatnotes-src/flatnotes-$(flatnotes_version)
+
+.PHONY: prepare_flatnotes
+prepare_flatnotes: flatnotes-src
+
+flatnotes-src: flatnotes/version
+	wget -O- https://github.com/dullage/flatnotes/archive/refs/tags/v$(flatnotes_version).tar.gz \
+    	| gzip -d | tar -xf -
+	rm -rf flatnotes-src
+	mkdir flatnotes-src
+	mv flatnotes-$(flatnotes_version) flatnotes-src
+
+clean_flatnotes:
+	rm -rf flatnotes-src flatnotes.tar flatnotes.tar.gz

flatnotes/version

@@ -0,0 +1 @@
+5.5.4