use make

Makefile

@@ -0,0 +1,54 @@
+TARGETS := $(patsubst ./%/,%,$(dir $(shell find -L . -maxdepth 2 -mindepth 2 -type f -and -name Makefile)))
+.PHONY: all
+all: login $(TARGETS)
+
+include config.mk
+$(foreach target,$(TARGETS),$(eval include $(target)/Makefile))
+
+container_image_name = $(REGISTRY_DOMAIN)/$(REGISTRY_USER)/$(CONTAINER_NAME_PREFIX)$(target)
+app_version = $(shell head -n 1 $(target)/version)
+remove_last_version_part = $(shell a="$(1)"; [ "$(1)" = "$${a%.*}" ] && echo "" || echo "$${a%.*}")
+all_versions = $(if $(1),$(1) $(call all_versions,$(call remove_last_version_part,$(1))))
+tag_alpine_version_parts := alpine $(addprefix alpine,$(call all_versions,$(ALPINE_VERSION)))
+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)))
+
+define build_rule =
+.PHONY: build_$(target)
+build_$(target):
+	podman build \
+		-t $(container_image_name):latest \
+		--build-arg "ALPINE_VERSION=$(ALPINE_VERSION)" \
+		--build-arg "VERSION=$(app_version)" \
+		$(target)
+endef
+
+define tag_rule =
+.PHONY: tag_$(target)
+tag_$(target):
+	podman tag $(container_image_name):latest $(addprefix $(container_image_name):,$(tags))
+endef
+
+define push_rule =
+.PHONY: push_$(target)
+push_$(target): login
+	podman push "$(container_image_name):latest"
+	$(foreach tag,$(tags),podman push $(container_image_name):$(tag);)
+endef
+
+define target_rule =
+.PHONY: $(target)
+$(target): prepare_$(target) build_$(target) tag_$(target) push_$(target)
+endef
+
+.PHONY: login
+login:
+	podman login $(REGISTRY_DOMAIN)
+
+$(foreach target,$(TARGETS),$(eval $(target_rule)))
+$(foreach target,$(TARGETS),$(eval $(build_rule)))
+$(foreach target,$(TARGETS),$(eval $(tag_rule)))
+$(foreach target,$(TARGETS),$(eval $(push_rule)))
+
+clean: $(foreach target,$(TARGETS),clean_$(target))