diff --git a/docker/arch.Dockerfile b/docker/arch.Dockerfile
new file mode 100644
index 0000000..f371d0a
--- /dev/null
+++ b/docker/arch.Dockerfile
@@ -0,0 +1,45 @@
+FROM archlinux:latest
+
+RUN pacman -Syu --noconfirm \
+  && pacman -S --noconfirm php
+
+ARG RELAY=v0.8.1
+
+# Install Relay dependencies
+RUN pacman -S --noconfirm \
+  base-devel \
+  # hiredis \
+  libck \
+  lz4
+
+# Install hiredis-ssl
+RUN curl -L https://github.com/redis/hiredis/archive/refs/tags/v1.2.0.tar.gz | tar -xzC /tmp \
+  && PREFIX=/usr USE_SSL=1 make -C /tmp/hiredis-1.2.0 install
+
+# Install php-pear
+RUN curl -L https://aur.archlinux.org/cgit/aur.git/snapshot/php-pear.tar.gz | sudo -u nobody tar -xzC /tmp \
+  && pushd /tmp/php-pear \
+  && sudo -u nobody makepkg --skippgpcheck \
+  && pacman -U --noconfirm php-pear-1:1.10.23-2-any.pkg.tar.zst \
+  && popd
+
+# Relay requires the `msgpack` extension
+RUN pecl install msgpack \
+  && echo "extension = msgpack.so" > $(php-config --ini-dir)/msgpack.ini
+
+# Relay requires the `igbinary` extension
+RUN pecl install igbinary \
+  && echo "extension = igbinary.so" > $(php-config --ini-dir)/igbinary.ini
+
+# Download Relay
+RUN ARCH=$(uname -m | sed 's/_/-/') \
+  PHP=$(php -r 'echo substr(PHP_VERSION, 0, 3);') \
+  && curl -L "https://builds.r2.relay.so/$RELAY/relay-$RELAY-php$PHP-el9-$ARCH.tar.gz" | tar -xz --strip-components=1 -C /tmp
+
+# Copy relay.{so,ini}
+RUN cp "/tmp/relay.ini" "$(php-config --ini-dir)/relay.ini" \
+  && cp "/tmp/relay.so" "$(php-config --extension-dir)/relay.so"
+
+# Inject UUID
+RUN UUID=$(cat /proc/sys/kernel/random/uuid) \
+  && sed -i "s/00000000-0000-0000-0000-000000000000/$UUID/" "$(php-config --extension-dir)/relay.so"