add multi-arch support, and decouple vanguards

docker-build.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+# Build script for multi-architecture support
+# Requires docker buildx enabled
+
+IMAGE_NAME="cmehay/docker-tor-hidden-service"
+TAG="latest"
+
+echo "Building multi-arch image (linux/amd64, linux/arm64)..."
+
+# Note: To push to a registry, add '--push' and ensure you are logged in.
+# For local testing, you might need to build for a single arch or use '--load' (single arch).
+docker buildx build \
+  --platform linux/amd64,linux/arm64 \
+  -t "${IMAGE_NAME}:${TAG}" \
+  .