Harden deploy script config handling

scripts/deploy.sh

@@ -2,8 +2,30 @@
 set -euo pipefail
 
 # Safe deploy: never delete server-side runtime data/ files.
-HOST="root@REDACTED"
+#
-TARGET="/home/REDACTED/public_html"
+# Configuration (required):
+#   DEPLOY_HOST   e.g. root@example.com or deploy@example.com
+#   DEPLOY_TARGET e.g. /home/user/web/xmrpay.link/public_html
+#
+# Optional local config file (not committed):
+#   scripts/.deploy.env
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+ENV_FILE="$SCRIPT_DIR/.deploy.env"
+
+if [[ -f "$ENV_FILE" ]]; then
+  # shellcheck disable=SC1090
+  source "$ENV_FILE"
+fi
+
+HOST="${DEPLOY_HOST:-}"
+TARGET="${DEPLOY_TARGET:-}"
+
+if [[ -z "$HOST" || -z "$TARGET" ]]; then
+  echo "Missing deploy configuration." >&2
+  echo "Set DEPLOY_HOST and DEPLOY_TARGET (env vars or scripts/.deploy.env)." >&2
+  exit 1
+fi
 
 rsync -avz --delete \
   --exclude '.git' \