diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1d463a8..f027188 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,6 +26,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Space?
+        run: docker system prune --all
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
         with:
@@ -38,8 +40,7 @@ jobs:
         with:
           context: ./
           file: ./docker/${{ matrix.target }}.Dockerfile
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          no-cache: true
           pull: true
           push: false
           load: true
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e7cf175..54b8897 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [ amd64, arm64 ]
+        cross:
+          - aarch64-linux-gnu
+          - x86_64-linux-gnu
         target:
           - aarch64-unknown-linux-musl
           - armv7-unknown-linux-musleabihf
@@ -22,6 +24,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Space?
+        run: docker system prune --all
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
         with:
@@ -39,14 +43,16 @@ jobs:
           push: false
           load: true
           tags: ink-toolchain:dev
-          platforms: linux/${{ matrix.platform }}
+          build-args: |
+            CCONFIG=x86_64-linux-gnu---${{ matrix.cross }}
+          platforms: linux/amd64
           builder: ${{ steps.buildx.outputs.name }}
       - name: Extract
-        run: TARGETARCH='${{ matrix.platform }}' ./scripts/extract.sh
+        run: ./scripts/extract.sh
       - name: Rename
         shell: bash
         working-directory: ./export
-        run: for f in *.tar.gz; do mv "$f" "${{ matrix.platform }}+$f"; done
+        run: for f in *.tar.gz; do mv "$f" "${{ matrix.cross }}+$f"; done
       - name: Hash
         shell: bash
         working-directory: ./export
@@ -56,5 +62,6 @@ jobs:
         with:
           tag: ${{ github.ref_name }}
           name: ${{ github.ref_name }}
+          prerelease: ${{ contains('-dev', github.ref_name) }}
           allowUpdates: true
           artifacts: "./export/*.tar.gz,./export/*.sha256"
diff --git a/docker/aaa.Dockerfile b/docker/aaa.Dockerfile
new file mode 100644
index 0000000..70e0fc1
--- /dev/null
+++ b/docker/aaa.Dockerfile
@@ -0,0 +1,29 @@
+# syntax=docker/dockerfile:1
+FROM debian:12-slim as builder
+
+# Versioning
+ARG CROSSTOOLNG_VERSION=crosstool-ng-1.26.0
+
+# Do not set
+ARG DEBIAN_FRONTEND=noninteractive
+ARG TARGETARCH
+
+ARG RUST_TARGET
+ARG CROSS_TOOLCHAIN
+
+RUN --mount=type=bind,source=./scripts/manage-apt.sh,target=/run.sh /run.sh
+
+RUN --mount=type=bind,source=./scripts/build-crosstool.sh,target=/run.sh /run.sh
+
+COPY ./config/${RUST_TARGET}.config /.config
+ARG CCONFIG=""
+COPY ./cconfig/${CCONFIG}.config /.cconfig
+RUN --mount=type=bind,source=./scripts/build-cross.sh,target=/run.sh /run.sh
+
+RUN --mount=type=bind,source=./scripts/package.sh,target=/run.sh /run.sh
+
+FROM scratch
+
+WORKDIR /export
+
+COPY --from=builder /export/*.tar.gz .
diff --git a/scripts/build-cross-old.sh b/scripts/build-cross-old.sh
deleted file mode 100755
index 947f801..0000000
--- a/scripts/build-cross-old.sh
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/bin/bash
-
-set -euxo pipefail
-
-apt update
-apt upgrade -y
-apt install -y \
-    gcc \
-    g++ \
-    gperf \
-    bison \
-    flex \
-    texinfo \
-    help2man \
-    make \
-    libncurses5-dev \
-    python3-dev \
-    autoconf \
-    automake \
-    libtool \
-    libtool-bin \
-    gawk \
-    wget \
-    bzip2 \
-    xz-utils \
-    unzip \
-    patch \
-    libstdc++6 \
-    rsync \
-    git \
-    meson \
-    ninja-build
-
-mkdir -p /tmp/build
-pushd /tmp/build
-
-git clone --depth=1 -b "$CROSSTOOLNG_VERSION" https://github.com/crosstool-ng/crosstool-ng
-
-pushd ./crosstool-ng
-
-./bootstrap
-./configure --prefix=/usr
-
-make -j`nproc`
-make install
-
-popd
-rm -rf ./crosstool-ng
-
-mv /.config .
-ct-ng olddefconfig
-ct-ng build
-
-# Package
-pushd /tmp/toolchain
-
-tar -czvf "$CROSS_TOOLCHAIN".tar.gz .
-
-mkdir -p /export
-mv *.tar.gz /export
-#mv /export/*.tar.gz /export/export.tar.gz
-
-popd
-popd