target deps { dockerfile = "docker/main/Dockerfile" platforms = ["linux/arm64"] target = "deps" } target rootfs { dockerfile = "docker/main/Dockerfile" platforms = ["linux/arm64"] target = "rootfs" } target rpi { dockerfile = "docker/rpi/Dockerfile" contexts = { deps = "target:deps", rootfs = "target:rootfs" } platforms = ["linux/arm64"] }