feat: handle missing migrations on startup with create_all fallback

README_SPACES.md

@@ -29,3 +29,5 @@ Flask application for sharing and organizing notes.
 
 - The app listens on port `7860`.
 - DB migrations run at startup by default. Set `RUN_MIGRATIONS=0` to skip.
+- If `migrations/` is missing, startup falls back to `db.create_all()` by default.
+- Set `RUN_CREATE_ALL_IF_NO_MIGRATIONS=0` to disable that fallback.

docker-entrypoint.sh

@@ -4,7 +4,15 @@ set -e
 mkdir -p instance
 
 if [ "${RUN_MIGRATIONS:-1}" = "1" ]; then
-    flask db upgrade
+    if [ -d migrations ]; then
+        flask db upgrade
+    else
+        echo "migrations/ not found, skipping flask db upgrade."
+        if [ "${RUN_CREATE_ALL_IF_NO_MIGRATIONS:-1}" = "1" ]; then
+            echo "Running db.create_all() fallback."
+            python -c "from app import create_app; from app.extensions import db; app = create_app(); app.app_context().push(); db.create_all()"
+        fi
+    fi
 fi
 
 exec gunicorn --workers 2 --threads 4 --timeout 120 --bind 0.0.0.0:${PORT:-7860} "app:create_app()"