add container builds

rust/build-container.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -o nounset
+set -o pipefail
+
+rustup target add x86_64-unknown-linux-musl
+
+cargo build --target x86_64-unknown-linux-musl --release
+
+docker build -t packager:latest .
+docker tag packager:latest packager:$(git rev-parse HEAD)
+docker tag packager:latest registry.hkoerber.de/packager:$(git rev-parse HEAD)