add media setup instructions to new-app.sh output

tools/new-app.sh

@@ -400,6 +400,16 @@ ELAPSED=0
 for i in $(seq 1 18); do
     if curl -sf "https://www.$APP" > /dev/null 2>&1; then
         printf "\r\033[K  Site is live at https://www.$APP\n"
+        echo ""
+        echo "==> Next steps: media files"
+        echo "  Create a local media directory for testing:"
+        echo "    mkdir -p $APP/static/media"
+        echo ""
+        echo "  Upload media to Garage:"
+        echo "    aws --endpoint-url https://s3.hantim.net s3 cp <file> s3://$APP/<path>"
+        echo "    aws --endpoint-url https://s3.hantim.net s3 sync static/media/ s3://$APP/"
+        echo ""
+        echo "  Media files are served at https://www.$APP/media/"
         exit 0
     fi
     spin_wait 10 "Waiting for site..." "$ELAPSED"
@@ -412,3 +422,13 @@ echo "  Check that:"
 echo "    - DNS for $APP and www.$APP points to $SERVER_IP"
 echo "    - The build completed: $GITEA_URL/$GITEA_ORG/$APP/actions"
 echo "    - The container is running on the server: docker ps"
+echo ""
+echo "==> Next steps: media files"
+echo "  Create a local media directory for testing:"
+echo "    mkdir -p $APP/static/media"
+echo ""
+echo "  Upload media to Garage:"
+echo "    aws --endpoint-url https://s3.hantim.net s3 cp <file> s3://$APP/<path>"
+echo "    aws --endpoint-url https://s3.hantim.net s3 sync static/media/ s3://$APP/"
+echo ""
+echo "  Media files are served at https://www.$APP/media/"