revert ...

Author: ImreSamu

Makefile

@@ -50,6 +50,7 @@ ifeq ($(do_default),true)
     endif
 endif
 
+PLATFORM ?= ${PLATFORM}
 
 # The repository and image names default to the official but can be overriden
 # via environment variables.
@@ -77,11 +78,11 @@ update:
 define build-version
 build-$1:
 ifeq ($(do_default),true)
-	$(DOCKER) build --pull -t $(REPO_NAME)/$(IMAGE_NAME):$(shell echo $1) $1
+	$(DOCKER) build --pull --platform=$(PLATFORM) -t $(REPO_NAME)/$(IMAGE_NAME):$(shell echo $1) $1
 endif
 ifeq ($(do_alpine),true)
 ifneq ("$(wildcard $1/alpine)","")
-	$(DOCKER) build --pull -t $(REPO_NAME)/$(IMAGE_NAME):$(shell echo $1)-alpine $1/alpine
+	$(DOCKER) build --pull --platform=$(PLATFORM) -t $(REPO_NAME)/$(IMAGE_NAME):$(shell echo $1)-alpine $1/alpine
 endif
 endif
 endef