🙈(docker) add **/.next to .dockerignore

All the ".next" files are generated by the build
process and should not be included in the Docker
context.

.dockerignore

@@ -34,4 +34,4 @@ db.sqlite3
 
 # Frontend
 node_modules
-.next
+**/.next

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to
 
 ## [Unreleased]
 
+### Fixed
+
+- 🙈(docker) add **/.next to .dockerignore #2034
+
+
 ## [v4.8.1] - 2026-03-17
 
 ### Added