Move all commonly modified variables to config.mk

Makefile

@@ -1,7 +1,5 @@
 include config.mk
 
-.DEFAULT_GOAL := all
-
 # Disabled due to https://github.com/containers/buildah/issues/5581
 #REPO_STAMP := push-stamp
 #REPO_PATH := repo/
@@ -17,9 +15,6 @@ include config.mk
 #		oci:${REPO_PATH}:$*:latest
 #	touch $@
 
-MANIFEST_FILE = ${IMAGE_DIR}/manifest.json
-BUILD_INSTRUCTIONS = Containerfile
-
 # Autogenerated lists
 CONTAINERS := $(shell find ./ -name '${BUILD_INSTRUCTIONS}' -exec 'dirname' '{}' ';' | cut -d'/' -f2-)
 IMAGE_DIRS := $(addsuffix /${IMAGE_DIR},${CONTAINERS})
@@ -31,9 +26,6 @@ MANIFESTS := $(addsuffix /${MANIFEST_FILE},${CONTAINERS})
 # Inserting literal commas into function calls without interpreting them as delimiters
 , := ,
 
-# Build all containers in order by default
-all: unified
-
 unified: $(MANIFESTS) # $(REPO_STAMPS)
 localbuild: $(BUILD_IDS)
 
@@ -48,7 +40,7 @@ localbuild: $(BUILD_IDS)
 %/${BUILD_ID_OUT}: %/${BUILD_INSTRUCTIONS}
 	buildah build \
 		--jobs 0 \
-		--network=none \
+		--network=${CONTAINER_NETWORK} \
 		--logfile=$*/${BUILD_LOG} \
 		-t $*:latest \
 		--iidfile $@ \

config.mk

@@ -1,5 +1,9 @@
 IMAGE_DIR := image
 BUILD_ID_OUT := build_id
 BUILD_LOG := build_log
+MANIFEST_FILE := ${IMAGE_DIR}/manifest.json
+BUILD_INSTRUCTIONS := Containerfile
+CONTAINER_NETWORK := host
+.DEFAULT_GOAL := unified
 
 include */config.mk