Fix modal visibility and database path issues for Docker deployment

Dockerfile

@@ -18,8 +18,11 @@ COPY . .
 # Build the application
 RUN npm run build
 
-# Create data directory for SQLite
-RUN mkdir -p /data
+# Create data directory for SQLite (in app directory for Docker)
+RUN mkdir -p /app/data
+
+# Set proper permissions for the data directory
+RUN chown -R node:node /app/data
 
 # Switch to non-root user
 USER node