diff --git a/.gitea/workflows/build-rust-builder.yaml b/.gitea/workflows/build-rust-builder.yaml
new file mode 100644
index 0000000..a2816c2
--- /dev/null
+++ b/.gitea/workflows/build-rust-builder.yaml
@@ -0,0 +1,35 @@
+name: CI
+on:
+  push:
+    branches: [ master ]
+    paths:
+      - 'rust-builder/*'
+      - '.gitea/workflows/build-rust-builder.yaml'      
+jobs:
+  "Build rust-builder docker images":
+    runs-on: woryzen
+    steps:
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker-container
+      -
+        name: Login to Gitea container registry
+        uses: docker/login-action@v3
+        with:
+          registry: gitea.woggioni.net
+          username: woggioni
+          password: ${{ secrets.PUBLISHER_TOKEN }}
+      -
+        name: Build and push rust-builder images
+        uses: docker/build-push-action@v6
+        with:
+          context: "{{defaultContext}}:rust-builder"
+          platforms: linux/amd64
+          push: true
+          tags: |
+            "gitea.woggioni.net/woggioni/rust-builder:latest"
+          cache-from: type=registry,ref=gitea.woggioni.net/woggioni/rust-builder:buildx
+          cache-to: type=registry,mode=max,compression=zstd,image-manifest=true,oci-mediatypes=true,ref=gitea.woggioni.net/woggioni/rust-builder:buildx          
+
diff --git a/rust-builder/Dockerfile b/rust-builder/Dockerfile
new file mode 100644
index 0000000..e910eed
--- /dev/null
+++ b/rust-builder/Dockerfile
@@ -0,0 +1,37 @@
+FROM archlinux:latest
+
+RUN pacman-key --refresh-keys
+RUN pacman -Syu --noconfirm
+RUN pacman -S --noconfirm git rustup cmake base-devel meson
+
+RUN curl --retry 3 https://gitea.woggioni.net/api/packages/woggioni/generic/aarch64-unknown-linux-musl-gcc/13.2.0/aarch64-unknown-linux-musl-gcc-13.2.0-1-x86_64.pkg.tar.zst | pacman -U --noconfirm -
+RUN ln -s /opt/x-tools/aarch64-unknown-linux-musl/bin/aarch64-unknown-linux-musl-gcc /usr/local/bin/aarch64-linux-musl-gcc 
+
+RUN curl --retry 3 https://gitea.woggioni.net/api/packages/woggioni/generic/x86_64-unknown-linux-musl-gcc/13.2.0/x86_64-unknown-linux-musl-gcc-13.2.0-1-x86_64.pkg.tar.zst | pacman -U --noconfirm -
+RUN ln -s /opt/x-tools/x86_64-woggioni-linux-musl/bin/x86_64-woggioni-linux-musl-gcc /usr/local/bin/x86_64-linux-musl-gcc
+
+RUN curl --retry 3 https://gitea.woggioni.net/api/packages/woggioni/generic/arm-unknown-linux-musleabihf-gcc/13.2.0/arm-unknown-linux-musleabihf-gcc-13.2.0-1-x86_64.pkg.tar.zst | pacman -U --noconfirm -
+RUN ln -s /opt/x-tools/arm-unknown-linux-musleabihf/bin/arm-unknown-linux-musleabihf-gcc /usr/local/bin/arm-linux-musleabihf-gcc
+
+RUN curl --retry 3 https://gitea.woggioni.net/api/packages/woggioni/generic/arm-unknown-linux-musleabi-gcc/13.2.0/arm-unknown-linux-musleabi-gcc-13.2.0-1-x86_64.pkg.tar.zst | pacman -U --noconfirm -
+RUN ln -s /opt/x-tools/arm-unknown-linux-musleabihf/bin/arm-unknown-linux-musleabi-gcc /usr/local/bin/arm-linux-musleabi-gcc
+
+COPY makepkg-aarch64.conf /etc/makepkg-aarch64.conf
+COPY makepkg-armv7h.conf /etc/makepkg-armv7h.conf
+
+RUN useradd luser -G users -u 1000 -s /bin/bash -m -d /home/luser
+USER luser
+WORKDIR /home/luser
+
+RUN rustup toolchain install stable-x86_64-unknown-linux-gnu
+RUN rustup target add \
+    x86_64-unknown-linux-musl \
+    x86_64-unknown-linux-gnu \
+    wasm32-wasi \
+    armv7-unknown-linux-musleabihf \
+    arm-unknown-linux-musleabi \
+    aarch64-unknown-linux-musl \
+    aarch64-unknown-linux-gnu
+
+ENTRYPOINT /bin/bash
+
diff --git a/rust-builder/makepkg-aarch64.conf b/rust-builder/makepkg-aarch64.conf
new file mode 100644
index 0000000..f938ff8
--- /dev/null
+++ b/rust-builder/makepkg-aarch64.conf
@@ -0,0 +1,160 @@
+#!/hint/bash
+#
+# /etc/makepkg.conf
+#
+
+#########################################################################
+# SOURCE ACQUISITION
+#########################################################################
+#
+#-- The download utilities that makepkg should use to acquire sources
+#  Format: 'protocol::agent'
+DLAGENTS=('file::/usr/bin/curl -qgC - -o %o %u'
+          'ftp::/usr/bin/curl -qgfC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %u'
+          'http::/usr/bin/curl -qgb "" -fLC - --retry 3 --retry-delay 3 -o %o %u'
+          'https::/usr/bin/curl -qgb "" -fLC - --retry 3 --retry-delay 3 -o %o %u'
+          'rsync::/usr/bin/rsync --no-motd -z %u %o'
+          'scp::/usr/bin/scp -C %u %o')
+
+# Other common tools:
+# /usr/bin/snarf
+# /usr/bin/lftpget -c
+# /usr/bin/wget
+
+#-- The package required by makepkg to download VCS sources
+#  Format: 'protocol::package'
+VCSCLIENTS=('bzr::bzr'
+            'fossil::fossil'
+            'git::git'
+            'hg::mercurial'
+            'svn::subversion')
+
+#########################################################################
+# ARCHITECTURE, COMPILE FLAGS
+#########################################################################
+#
+CARCH="aarch64"
+CHOST="x86_64-pc-linux-gnu"
+
+#-- Compiler and Linker Flags
+#CPPFLAGS=""
+CFLAGS="-march=armv8-a -O3 -pipe -fstack-protector-strong -fno-plt -fexceptions \
+        -Wp,-D_FORTIFY_SOURCE=3 -Wformat -Werror=format-security \
+        -fstack-clash-protection \
+        -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer"
+CXXFLAGS="$CFLAGS -Wp,-D_GLIBCXX_ASSERTIONS"
+LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
+LTOFLAGS="-flto=auto"
+#RUSTFLAGS="-C opt-level=2"
+#-- Make Flags: change this for DistCC/SMP systems
+MAKEFLAGS="-j16"
+#-- Debugging flags
+DEBUG_CFLAGS="-g -fvar-tracking-assignments"
+DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
+#DEBUG_RUSTFLAGS="-C debuginfo=2"
+
+#########################################################################
+# BUILD ENVIRONMENT
+#########################################################################
+#
+# Makepkg defaults: BUILDENV=(!distcc !color !ccache check !sign)
+#  A negated environment option will do the opposite of the comments below.
+#
+#-- distcc:   Use the Distributed C/C++/ObjC compiler
+#-- color:    Colorize output messages
+#-- ccache:   Use ccache to cache compilation
+#-- check:    Run the check() function if present in the PKGBUILD
+#-- sign:     Generate PGP signature file
+#
+BUILDENV=(!distcc color ccache check !sign)
+#
+#-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
+#-- specify a space-delimited list of hosts running in the DistCC cluster.
+#DISTCC_HOSTS=""
+#
+#-- Specify a directory for package building.
+#BUILDDIR=/tmp/makepkg
+
+#########################################################################
+# GLOBAL PACKAGE OPTIONS
+#   These are default values for the options=() settings
+#########################################################################
+#
+# Makepkg defaults: OPTIONS=(!strip docs libtool staticlibs emptydirs !zipman !purge !debug !lto)
+#  A negated option will do the opposite of the comments below.
+#
+#-- strip:      Strip symbols from binaries/libraries
+#-- docs:       Save doc directories specified by DOC_DIRS
+#-- libtool:    Leave libtool (.la) files in packages
+#-- staticlibs: Leave static library (.a) files in packages
+#-- emptydirs:  Leave empty directories in packages
+#-- zipman:     Compress manual (man and info) pages in MAN_DIRS with gzip
+#-- purge:      Remove files specified by PURGE_TARGETS
+#-- debug:      Add debugging flags as specified in DEBUG_* variables
+#-- lto:        Add compile flags for building with link time optimization
+#
+OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !debug !lto)
+
+#-- File integrity checks to use. Valid: md5, sha1, sha224, sha256, sha384, sha512, b2
+INTEGRITY_CHECK=(sha256)
+#-- Options to be used when stripping binaries. See `man strip' for details.
+STRIP_BINARIES="--strip-all"
+#-- Options to be used when stripping shared libraries. See `man strip' for details.
+STRIP_SHARED="--strip-unneeded"
+#-- Options to be used when stripping static libraries. See `man strip' for details.
+STRIP_STATIC="--strip-debug"
+#-- Manual (man and info) directories to compress (if zipman is specified)
+MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
+#-- Doc directories to remove (if !docs is specified)
+DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
+#-- Files to be removed from all packages (if purge is specified)
+PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
+#-- Directory to store source code in for debug packages
+DBGSRCDIR="/usr/src/debug"
+
+#########################################################################
+# PACKAGE OUTPUT
+#########################################################################
+#
+# Default: put built package and cached source in build directory
+#
+#-- Destination: specify a fixed directory where all packages will be placed
+#PKGDEST=/home/packages
+#-- Source cache: specify a fixed directory where source files will be cached
+#SRCDEST=/home/sources
+#-- Source packages: specify a fixed directory where all src packages will be placed
+#SRCPKGDEST=/home/srcpackages
+#-- Log files: specify a fixed directory where all log files will be placed
+#LOGDEST=/home/makepkglogs
+#-- Packager: name/email of the person or organization building packages
+#PACKAGER="John Doe <john@doe.com>"
+#-- Specify a key to use for package signing
+#GPGKEY=""
+
+#########################################################################
+# COMPRESSION DEFAULTS
+#########################################################################
+#
+COMPRESSGZ=(gzip -c -f -n)
+COMPRESSBZ2=(bzip2 -c -f)
+COMPRESSXZ=(xz -c -z -)
+COMPRESSZST=(zstd -c -z -q -)
+COMPRESSLRZ=(lrzip -q)
+COMPRESSLZO=(lzop -q)
+COMPRESSZ=(compress -c -f)
+COMPRESSLZ4=(lz4 -q)
+COMPRESSLZ=(lzip -c -f)
+
+#########################################################################
+# EXTENSION DEFAULTS
+#########################################################################
+#
+PKGEXT='.pkg.tar.zst'
+SRCEXT='.src.tar.gz'
+
+#########################################################################
+# OTHER
+#########################################################################
+#
+#-- Command used to run pacman as root, instead of trying sudo and su
+#PACMAN_AUTH=()
diff --git a/rust-builder/makepkg-armv7h.conf b/rust-builder/makepkg-armv7h.conf
new file mode 100644
index 0000000..76c0e9a
--- /dev/null
+++ b/rust-builder/makepkg-armv7h.conf
@@ -0,0 +1,157 @@
+#!/hint/bash
+#
+# /etc/makepkg.conf
+#
+
+#########################################################################
+# SOURCE ACQUISITION
+#########################################################################
+#
+#-- The download utilities that makepkg should use to acquire sources
+#  Format: 'protocol::agent'
+DLAGENTS=('file::/usr/bin/curl -qgC - -o %o %u'
+          'ftp::/usr/bin/curl -qgfC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %u'
+          'http::/usr/bin/curl -qgb "" -fLC - --retry 3 --retry-delay 3 -o %o %u'
+          'https::/usr/bin/curl -qgb "" -fLC - --retry 3 --retry-delay 3 -o %o %u'
+          'rsync::/usr/bin/rsync --no-motd -z %u %o'
+          'scp::/usr/bin/scp -C %u %o')
+
+# Other common tools:
+# /usr/bin/snarf
+# /usr/bin/lftpget -c
+# /usr/bin/wget
+
+#-- The package required by makepkg to download VCS sources
+#  Format: 'protocol::package'
+VCSCLIENTS=('bzr::bzr'
+            'fossil::fossil'
+            'git::git'
+            'hg::mercurial'
+            'svn::subversion')
+
+#########################################################################
+# ARCHITECTURE, COMPILE FLAGS
+#########################################################################
+#
+CARCH="armv7h"
+CHOST="x86_64-pc-linux-gnu"
+
+#-- Compiler and Linker Flags
+#CPPFLAGS=""
+CFLAGS="-march=armv7-a+simd -mfloat-abi=hard -mfpu=vfpv3-d16 -O3 -pipe -fstack-protector-strong -fno-plt"
+CXXFLAGS="$CFLAGS -Wp,-D_GLIBCXX_ASSERTIONS"
+LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro,-z,now"
+LTOFLAGS="-flto=auto"
+#RUSTFLAGS="-C opt-level=2"
+#-- Make Flags: change this for DistCC/SMP systems
+MAKEFLAGS="-j16"
+#-- Debugging flags
+DEBUG_CFLAGS="-g -fvar-tracking-assignments"
+DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
+#DEBUG_RUSTFLAGS="-C debuginfo=2"
+
+#########################################################################
+# BUILD ENVIRONMENT
+#########################################################################
+#
+# Makepkg defaults: BUILDENV=(!distcc !color !ccache check !sign)
+#  A negated environment option will do the opposite of the comments below.
+#
+#-- distcc:   Use the Distributed C/C++/ObjC compiler
+#-- color:    Colorize output messages
+#-- ccache:   Use ccache to cache compilation
+#-- check:    Run the check() function if present in the PKGBUILD
+#-- sign:     Generate PGP signature file
+#
+BUILDENV=(!distcc color ccache check !sign)
+#
+#-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
+#-- specify a space-delimited list of hosts running in the DistCC cluster.
+#DISTCC_HOSTS=""
+#
+#-- Specify a directory for package building.
+#BUILDDIR=/tmp/makepkg
+
+#########################################################################
+# GLOBAL PACKAGE OPTIONS
+#   These are default values for the options=() settings
+#########################################################################
+#
+# Makepkg defaults: OPTIONS=(!strip docs libtool staticlibs emptydirs !zipman !purge !debug !lto)
+#  A negated option will do the opposite of the comments below.
+#
+#-- strip:      Strip symbols from binaries/libraries
+#-- docs:       Save doc directories specified by DOC_DIRS
+#-- libtool:    Leave libtool (.la) files in packages
+#-- staticlibs: Leave static library (.a) files in packages
+#-- emptydirs:  Leave empty directories in packages
+#-- zipman:     Compress manual (man and info) pages in MAN_DIRS with gzip
+#-- purge:      Remove files specified by PURGE_TARGETS
+#-- debug:      Add debugging flags as specified in DEBUG_* variables
+#-- lto:        Add compile flags for building with link time optimization
+#
+OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !debug !lto)
+
+#-- File integrity checks to use. Valid: md5, sha1, sha224, sha256, sha384, sha512, b2
+INTEGRITY_CHECK=(sha256)
+#-- Options to be used when stripping binaries. See `man strip' for details.
+STRIP_BINARIES="--strip-all"
+#-- Options to be used when stripping shared libraries. See `man strip' for details.
+STRIP_SHARED="--strip-unneeded"
+#-- Options to be used when stripping static libraries. See `man strip' for details.
+STRIP_STATIC="--strip-debug"
+#-- Manual (man and info) directories to compress (if zipman is specified)
+MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
+#-- Doc directories to remove (if !docs is specified)
+DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
+#-- Files to be removed from all packages (if purge is specified)
+PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
+#-- Directory to store source code in for debug packages
+DBGSRCDIR="/usr/src/debug"
+
+#########################################################################
+# PACKAGE OUTPUT
+#########################################################################
+#
+# Default: put built package and cached source in build directory
+#
+#-- Destination: specify a fixed directory where all packages will be placed
+#PKGDEST=/home/packages
+#-- Source cache: specify a fixed directory where source files will be cached
+#SRCDEST=/home/sources
+#-- Source packages: specify a fixed directory where all src packages will be placed
+#SRCPKGDEST=/home/srcpackages
+#-- Log files: specify a fixed directory where all log files will be placed
+#LOGDEST=/home/makepkglogs
+#-- Packager: name/email of the person or organization building packages
+#PACKAGER="John Doe <john@doe.com>"
+#-- Specify a key to use for package signing
+#GPGKEY=""
+
+#########################################################################
+# COMPRESSION DEFAULTS
+#########################################################################
+#
+COMPRESSGZ=(gzip -c -f -n)
+COMPRESSBZ2=(bzip2 -c -f)
+COMPRESSXZ=(xz -c -z -)
+COMPRESSZST=(zstd -c -z -q -)
+COMPRESSLRZ=(lrzip -q)
+COMPRESSLZO=(lzop -q)
+COMPRESSZ=(compress -c -f)
+COMPRESSLZ4=(lz4 -q)
+COMPRESSLZ=(lzip -c -f)
+
+#########################################################################
+# EXTENSION DEFAULTS
+#########################################################################
+#
+PKGEXT='.pkg.tar.zst'
+SRCEXT='.src.tar.gz'
+
+#########################################################################
+# OTHER
+#########################################################################
+#
+#-- Command used to run pacman as root, instead of trying sudo and su
+#PACMAN_AUTH=()