Clean up: remove build-for-nas.sh, update deploy docs and push script

Co-authored-by: Cursor <cursoragent@cursor.com>

push-to-gitea.sh

@@ -1,31 +1,32 @@
 #!/usr/bin/env bash
-# Manual push of stoat-role-bot image to your Gitea container registry.
+# Build and push stoat-role-bot image to your Gitea container registry.
+# Image names must be lowercase; owner is lowercased automatically.
+#
+# One-time: allow HTTP registry (if your Gitea is http://):
+#   mkdir -p ~/.config/containers
+#   echo -e '[[registry]]\nlocation = "brassnet.ddns.net:33983"\ninsecure = true' >> ~/.config/containers/registries.conf
+# One-time: log in to the registry:
+#   podman login brassnet.ddns.net:33983
+#
 # Usage:
-#   export GITEA_REGISTRY=mygitea.example.com
-#   export GITEA_OWNER=myuser
 #   ./push-to-gitea.sh
-# Or: ./push-to-gitea.sh mygitea.example.com myuser
+#   # or: ./push-to-gitea.sh brassnet.ddns.net:33983 Dawnsorrow
 
 set -e
 cd "$(dirname "$0")"
 
-GITEA_REGISTRY="${1:-$GITEA_REGISTRY}"
-GITEA_OWNER="${2:-$GITEA_OWNER}"
+GITEA_REGISTRY="${1:-brassnet.ddns.net:33983}"
+GITEA_OWNER="${2:-Dawnsorrow}"
+# OCI image names must be lowercase
+OWNER_LOWER="$(echo "$GITEA_OWNER" | tr '[:upper:]' '[:lower:]')"
 IMAGE_NAME="stoat-role-bot"
 TAG="${3:-latest}"
 
-if [ -z "$GITEA_REGISTRY" ] || [ -z "$GITEA_OWNER" ]; then
-  echo "Usage: GITEA_REGISTRY=host GITEA_OWNER=username $0"
-  echo "   or: $0 <gitea-host> <owner-username> [tag]"
-  echo "Example: $0 gitea.example.com john"
-  exit 1
-fi
-
-FULL_IMAGE="${GITEA_REGISTRY}/${GITEA_OWNER}/${IMAGE_NAME}:${TAG}"
+FULL_IMAGE="${GITEA_REGISTRY}/${OWNER_LOWER}/${IMAGE_NAME}:${TAG}"
 echo "Building and pushing to ${FULL_IMAGE} ..."
 
 podman build -t "${FULL_IMAGE}" .
 podman push "${FULL_IMAGE}"
 
-echo "Pushed. On your NAS run: docker pull ${FULL_IMAGE}"
+echo "Pushed. On your NAS: docker pull ${FULL_IMAGE}"
 echo "Then create/update the container to use image: ${FULL_IMAGE}"