feat: add project fork async job service with cli prune/clear commands and shared container image build target

Makefile

@@ -89,7 +89,12 @@ DOCKER_GID ?= $(shell stat -c '%g' /var/run/docker.sock 2>/dev/null)
 export DEVPLACE_DATA_DIR
 export DOCKER_GID
 
-.PHONY: docker-build docker-up docker-down docker-logs docker-clean docker-prep
+.PHONY: docker-build docker-up docker-down docker-logs docker-clean docker-prep ppy
+
+# Build the single shared container image every instance runs. Build once;
+# rebuild only when ppy.Dockerfile, the sudo shim, or pagent change.
+ppy:
+	docker build --network=host -f ppy.Dockerfile -t ppy:latest devplacepy/services/containers/files
 
 docker-prep:
 	mkdir -p $(DEVPLACE_DATA_DIR)
@@ -109,6 +114,8 @@ docker-logs:
 docker-clean:
 	$(COMPOSE) down -v
 
+docker-bup: docker-build docker-up
+
 deploy:
 	git checkout production
 	git merge master