From 19e4d8dcc9c9e76a8c90855cccb4c4553b35389e Mon Sep 17 00:00:00 2001
From: Anders Betts <anders.betts@gmail.com>
Date: Sun, 20 Sep 2026 23:09:31 +0200
Subject: deploy: cross-compile static aarch64 for the Alpine image

---
 deploy/Dockerfile.cross | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 deploy/Dockerfile.cross

(limited to 'deploy/Dockerfile.cross')

diff --git a/deploy/Dockerfile.cross b/deploy/Dockerfile.cross
new file mode 100644
index 0000000..ab0504c
--- /dev/null
+++ b/deploy/Dockerfile.cross
@@ -0,0 +1,13 @@
+# Cross-compile the static arm64 backend binaries on an amd64 host. The
+# runtime image is assembled later on the target host from the produced
+# binaries; there is no TUI in the runtime image.
+FROM debian:bookworm
+RUN dpkg --add-architecture arm64 \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends \
+      make ca-certificates gcc-aarch64-linux-gnu \
+      libc6-dev:arm64 libssl-dev:arm64 \
+ && rm -rf /var/lib/apt/lists/*
+COPY cross-build.sh /usr/local/bin/cross-build
+RUN chmod 0755 /usr/local/bin/cross-build
+ENTRYPOINT ["/usr/local/bin/cross-build"]
-- 
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