Bundle a tested Traefik in releases, the image and the installer

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

deploy/build.sh

@@ -4,7 +4,7 @@
 #   deploy/build.sh [version]      version defaults to `git describe`
 #
 # Output:
-#   dist/bin/<os>_<arch>/blacktip             the raw binaries (the Docker image uses the linux ones)
+#   dist/bin/<os>_<arch>/blacktip and traefik             the raw binaries (the Docker image uses the linux ones)
 #   dist/blacktip_<version>_<os>_<arch>.tar.gz or .zip
 #   dist/SHA256SUMS
 #
@@ -28,10 +28,13 @@ for t in $TARGETS; do
 	CGO_ENABLED=0 GOOS=$os GOARCH=$arch GOARM=7 \
 		go build -trimpath -ldflags "-s -w -X main.version=$VERSION" -o "$out/$NAME$ext" "./cmd/$NAME"
 
+	# the Traefik that Blacktip drives for http/https (see BLACKTIP_TRAEFIK)
+	sh deploy/fetch-traefik.sh "$os" "$arch" "$out"
+
 	pkg="${NAME}_${VERSION}_${os}_${arch}"
 	stage="dist/stage/$pkg"
 	mkdir -p "$stage"
-	cp "$out/$NAME$ext" "$stage/"
+	cp "$out/$NAME$ext" "$out/traefik$ext" "$stage/"
 	for f in LICENSE README.md .env.example; do
 		[ -f "$f" ] && cp "$f" "$stage/"
 	done