Getting some problems in build time in heroku with docker. custom plugins. how can i solve this? Building your admin UI with $NODE_ENV configuration ... ℹ Compiling Webpack ModuleNotFoundError: Module not found: Error: Can 't resolve ' @ckeditor/ckeditor5-build-classic ' in ' /opt/app/src/plugins/wysiwyg/admin/src/components/Edito r' at /opt/node_modules/webpack/lib/Compilation.js:2011:28 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:795:13 at eval (eval at create (/opt/node_modules/tapable/lib/HookCodeFactory.js:33:10), <anonymous>:10:1) at /opt/node_modules/webpack/lib/NormalModuleFactory.js:275:22 at eval (eval at create (/opt/node_modules/tapable/lib/HookCodeFactory.js:33:10), <anonymous>:9:1) at /opt/node_modules/webpack/lib/NormalModuleFactory.js:431:22 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:124:11 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:667:25 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:852:8 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:972:5 at /opt/node_modules/neo-async/async.js:6883:13 at /opt/node_modules/webpack/lib/NormalModuleFactory.js:955:45 at finishWithoutResolve (/opt/node_modules/enhanced-resolve/lib/Resolver.js:312:11) at /opt/node_modules/enhanced-resolve/lib/Resolver.js:386:15 at /opt/node_modules/enhanced-resolve/lib/Resolver.js:435:5 at eval (eval at create (/opt/node_modules/tapable/lib/HookCodeFactory.js:33:10), <anonymous>:15:1) resolve ' @ckeditor/ckeditor5-build-classic ' in ' /opt/app/src/plugins/wysiwyg/admin/src/components/Edito r' Parsed request is a module using description file: /opt/app/src/plugins/wysiwyg/package.json (relative path: ./admin/src/components/Editor) Field ' browse r' doesn' t contain a valid alias configuration resolve as module I've tried adding in package.json "workspaces": [ "./src/plugins/*" ] and it dindn't worked out I think its beacuse of ENV PATH /opt/node_modules/.bin:$PATH in dockerfile does it make anysense to you?