| RM_F = rm -f |
| |
| DOCKER = docker |
| NIX_DOCKER_0 = $(DOCKER) run --rm --volume $$(pwd):$$(pwd) --workdir $$(pwd) |
| NIX_DOCKER_MAINT = $(NIX_DOCKER_0) --mount source=type=volume,source=nix,target=/nix2 nixos/nix |
| NIX_DOCKER = $(NIX_DOCKER_0) --mount source=type=volume,source=nix,target=/nix nixos/nix |
| |
| NIX_BUILD = $(NIX_DOCKER) nix-build |
| NIX_BUILD_OUT = $(NIX_DOCKER) sh -c '$$(nix-build)' |
| |
| IMAGES = mailcow nano nextcloud prosody samba vim webcron |
| IMAGES_BIN = $(patsubst %,%.bin,$(IMAGES)) |
| IMAGES_LOAD = $(patsubst %,%.load,$(IMAGES)) |
| |
| .PHONY: all images clean init gc #$(IMAGES_LOAD) |
| |
| all: images |
| |
| # Deletes all build artifacts. |
| clean: |
| $(RM_F) $(IMAGES_BIN) |
| |
| # Runs nix-collect-garbage in the Docker container. |
| gc: |
| $(NIX_DOCKER) nix-collect-garbage |
| |
| # Initializes the Docker volume with a Nix store. |
| # |
| # Run this before any other target of this makefile. |
| init: |
| $(NIX_DOCKER_MAINT) sh -c 'nix-env -iA nixpkgs.rsync && rsync --info=progress2 -a /nix/ /nix2/' |
| |
| # Builds and loads all known Docker images. |
| images: $(IMAGES_LOAD) |
| |
| # The following approaches were all considered and discarded: |
| # |
| # Takes ~240 seconds (nextcloud image): |
| # |
| # $(IMAGES): |
| # $(NIX_DOCKER) sh -c '$$(nix-build images.nix -A $@.streamed)' | $(DOCKER) load |
| # |
| # Takes ~60 seconds (nextcloud image): |
| # |
| # $(IMAGES): |
| # $(NIX_DOCKER) sh -c 'cat $$(nix-build images.nix -A $@.layered)' | $(DOCKER) load |
| # |
| # The final approach takes ~20 seconds to build the nextcloud image. |
| |
| # Builds a Docker image as a .bin file that you can load with 'docker |
| # load'. |
| %.bin: images.nix |
| $(NIX_DOCKER) sh -c 'cp $$(nix-build images.nix -A $(patsubst %.bin,%,$@).layered) $@' |
| |
| # Builds and loads a Docker image into your local Docker daemon. |
| %.load: %.bin |
| $(DOCKER) load --input=$< |