uses IMAGE_PREFIX var in gemini.Dockerfile

before it is used in COMPOSE_CMD

gemini.Dockerfile

@@ -1,6 +1,6 @@
-FROM git.joeac.net/joeac/armv7/agate:3.3.20-alpine3.23 AS agate
-FROM git.joeac.net/joeac/armv7/comitium:1.8.2-alpine3.23 AS comitium
-FROM git.joeac.net/joeac/armv7/crond:1.37.0-r30-alpine3.23 AS final
+FROM git.joeac.net/joeac/${IMAGE_PREFIX}agate:3.3.20-alpine3.23 AS agate
+FROM git.joeac.net/joeac/${IMAGE_PREFIX}comitium:1.8.2-alpine3.23 AS comitium
+FROM git.joeac.net/joeac/${IMAGE_PREFIX}crond:1.37.0-r30-alpine3.23 AS final
 RUN apk --no-cache add gcc # dependency for agate
 COPY --from=agate /root/.cargo/bin/agate /usr/local/bin/agate
 COPY --from=comitium /usr/local/bin/comitium /usr/local/bin/comitium

make/container.mk

@@ -1,7 +1,3 @@
-CPU_ARCH := $(if $(shell which arch 2>/dev/null),\
-	$(shell arch),\
-	$(shell lscpu | grep ^Architecture: | sed "s/^Architecture:[[:space:]]*\([[:alnum:][:punct:]]\+\).*/\1/"))
-IMAGE_PREFIX := $(if $(filter armv7%,$(CPU_ARCH)),armv7/)
 REGISTRY_DOMAIN := git.joeac.net
 REGISTRY_USER := joeac
 

make/vars.mk

@@ -55,6 +55,10 @@ INSTALL_RULES := $(foreach module,$(MODULES),install_$(module))
 REINSTALL_RULES := $(foreach module,$(MODULES),reinstall_$(module))
 UNINSTALL_RULES := $(foreach module,$(MODULES),uninstall_$(module))
 
+CPU_ARCH := $(if $(shell which arch 2>/dev/null),\
+	$(shell arch),\
+	$(shell lscpu | grep ^Architecture: | sed "s/^Architecture:[[:space:]]*\([[:alnum:][:punct:]]\+\).*/\1/"))
+IMAGE_PREFIX := $(if $(filter armv7%,$(CPU_ARCH)),armv7/)
 COMPOSE_CMD := \
 	ALPINE_VERSION="$(ALPINE_VERSION)" \
 	IMAGE_PREFIX="$(IMAGE_PREFIX)" \