Use docker to build binaries

Since I use nix and the target does not work on other linux distros

docker-build.sh

@@ -0,0 +1,21 @@
+#!env bash
+set -e
+
+BIN_NAME="v2parser"
+TARGET_TRIPLE="x86_64-unknown-linux-gnu"
+HOST_TARGET_DIR="$(pwd)/target/$TARGET_TRIPLE/release"
+
+docker build \
+  --platform=linux/amd64 \
+  -t rust-builder-temp \
+  -f Dockerfile .
+
+container_id=$(docker create rust-builder-temp)
+
+mkdir -p ./target
+
+docker cp "$container_id:/app/target/$TARGET_TRIPLE/release/$BIN_NAME" "./$BIN_NAME"
+docker rm "$container_id"
+
+chmod +x "./$BIN_NAME"
+echo "✅ Built binary: ./$BIN_NAME"