Add standalone artifact deploy workflow

deploy/scripts/upload-linux-release.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ "$#" -lt 1 ]; then
+  echo "Usage: $0 <user@host> [remote_base_dir]"
+  exit 1
+fi
+
+TARGET="$1"
+REMOTE_BASE_DIR="${2:-/var/www/abelbirdnest-web}"
+ARTIFACT_NAME="${ARTIFACT_NAME:-abelbirdnest-release.tar.gz}"
+RELEASE_NAME="${RELEASE_NAME:-$(date +%Y%m%d-%H%M%S)}"
+REMOTE_RELEASE_DIR="$REMOTE_BASE_DIR/releases/$RELEASE_NAME"
+
+scp "$ARTIFACT_NAME" "$TARGET:$REMOTE_BASE_DIR/"
+
+ssh "$TARGET" "mkdir -p '$REMOTE_RELEASE_DIR' && tar -xzf '$REMOTE_BASE_DIR/$ARTIFACT_NAME' -C '$REMOTE_RELEASE_DIR' && ln -sfn '$REMOTE_RELEASE_DIR' '$REMOTE_BASE_DIR/current'"
+
+echo "Uploaded to $TARGET:$REMOTE_RELEASE_DIR"