Add an easy way to build all aarch64 notebooks

Author: mathbunnyru

Makefile

@@ -18,6 +18,15 @@ ALL_IMAGES:= \
 	pyspark-notebook \
 	all-spark-notebook
 
+AARCH64_IMAGES:= \
+	base-notebook \
+	minimal-notebook \
+	r-notebook \
+	scipy-notebook \
+	datascience-notebook \
+	pyspark-notebook \
+	all-spark-notebook
+
 # Enable BuildKit for Docker build
 export DOCKER_BUILDKIT:=1
 
@@ -39,6 +48,7 @@ build/%: ## build the latest image for a stack using the system's architecture
 	@echo -n "Built image size: "
 	@docker images $(OWNER)/$(notdir $@):latest --format "{{.Size}}"
 build-all: $(foreach I, $(ALL_IMAGES), build/$(I)) ## build all stacks
+build-aarch64: $(foreach I, $(AARCH64_IMAGES), build/$(I)) ## build aarch64 stacks
 
 
 check-outdated/%: ## check the outdated mamba/conda packages in a stack and produce a report (experimental)