creaded correct docker image creation file

.dockerignore

@@ -13,20 +13,32 @@ ENV/
 .git/
 .gitignore
 *.md
-*.sh
 .vscode/
 .idea/
 
+# Exclude shell scripts except Docker-related ones
+*.sh
+!docker-entrypoint.sh
+!install_libreoffice.sh
+
 # Database (will be created in volume)
-instance/*.db
+instance/
+!instance/.gitkeep
 
 # Uploads (will be in volume)
 app/static/uploads/*
+!app/static/uploads/.gitkeep
 static/uploads/*
+!static/uploads/.gitkeep
 
 # Logs
 *.log
 
+# Development data
+*.db
+*.db-*
+flask_session/
+
 # OS
 .DS_Store
 Thumbs.db