Attempt to split build.sh again with more narrow cache

Containerfile

@@ -1,6 +1,6 @@
 # Allow build scripts to be referenced without being copied into the final image
 FROM scratch AS ctx
-COPY build_files /
+COPY ./build_files /
 
 # Base Image
 FROM quay.io/fedora-ostree-desktops/base-atomic:42
@@ -18,16 +18,76 @@ FROM quay.io/fedora-ostree-desktops/base-atomic:42
 ## make modifications desired in your image and install packages by modifying the build.sh script
 ## the following RUN directive does all the things required to run "build.sh" as recommended.
 
-COPY system_files /
+COPY ./system_files /
 
 # copy key into /etc/pki/containers/hydros.pub
-COPY cosign.pub /etc/pki/containers/hydros.pub
+COPY ./cosign.pub /etc/pki/containers/hydros.pub
+
+## DNF
 
 RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
-    --mount=type=cache,dst=/var/cache \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
-    --mount=type=cache,dst=/var/log \
     --mount=type=tmpfs,dst=/tmp \
-    /ctx/build.sh
+    /ctx/dnfstart.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/multimedia.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/greeter.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/hyprland.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/environment.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/applications.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/themes.sh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=cache,dst=/var/cache/libdnf5,id=dnf-cache-hydros,sharing=locked \
+    --mount=type=cache,dst=/var/cache/akmods,id=akmods-cache-hydros,sharing=locked \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/dnf/drivers.sh
+
+## Add Image Info
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/addimageinfo.sh
+
+## Install Oh My Zsh
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/installohmyzsh.sh
+
+# Install SystemD Services
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/installservices.sh
+
+## Cleanup
+
+RUN --mount=type=bind,from=ctx,source=/,target=/ctx \
+    --mount=type=tmpfs,dst=/tmp \
+    /ctx/cleanup.sh
 
 ### LINTING
 ## Verify final image and contents are correct.

build_files/build.sh

@@ -1,33 +0,0 @@
-#!/bin/bash
-
-set -ouex pipefail
-
-### Install dnf packages
-
-# Enable rpm fusion free and nonfree
-dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm
-
-/ctx/dnf/multimedia.sh
-/ctx/dnf/greeter.sh
-/ctx/dnf/hyprland.sh
-/ctx/dnf/environment.sh
-/ctx/dnf/applications.sh
-/ctx/dnf/themes.sh
-/ctx/dnf/drivers.sh
-
-# finish by removing rpm fusion repo files
-rm -f /etc/yum.repos.d/rpmfusion-*\.repo
-
-### Add image info
-/ctx/addimageinfo.sh
-
-### Install Oh My Zsh
-/ctx/installohmyzsh.sh
-
-### Install SystemD services
-/ctx/installservices.sh
-
-### Cleanup
-rm -rf /usr/etc
-
-rm -rf /var/lib/dnf

build_files/cleanup.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -ouex pipefail
+
+### Cleanup
+rm -f /etc/yum.repos.d/rpmfusion-*\.repo
+
+rm -rf /usr/etc
+
+rm -rf /var/lib/dnf

build_files/dnfstart.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+set -ouex pipefail
+
+# Enable rpm fusion free and nonfree
+dnf5 -y install https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm