Html Webpack Plugin:
  Error: Child compilation failed:
  Module not found: Error: Can't resolve '/app/public/index.html' in '/app'
  ModuleNotFoundError: Module not found: Error: Can't resolve '/app/public/index  .html' in '/app'
      at /app/node_modules/webpack/lib/Compilation.js:2029:28
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:1031:13
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :10:1)
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:432:22
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :9:1)
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:617:22
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:179:10
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:887:25
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:1116:8
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:1245:5
      at /app/node_modules/neo-async/async.js:6883:13
      at /app/node_modules/webpack/lib/NormalModuleFactory.js:1228:45
      at finishWithoutResolve (/app/node_modules/enhanced-resolve/lib/Resolver.j  s:568:11)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:657:14
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :16:1)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :27:1)
      at /app/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js:89:43
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :15:1)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :16:1)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :16:1)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :27:1)
      at /app/node_modules/enhanced-resolve/lib/DescriptionFilePlugin.js:89:43
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :16:1)
      at /app/node_modules/enhanced-resolve/lib/Resolver.js:718:5
      at eval (eval at create (/app/node_modules/tapable/lib/HookCodeFactory.js:  31:10), :15:1)
      at /app/node_modules/enhanced-resolve/lib/DirectoryExistsPlugin.js:43:15
      at process.processTicksAndRejections (node:internal/process/task_queues:81  :21)
  
  - Compilation.js:2029 
    [app]/[webpack]/lib/Compilation.js:2029:28
  
  - NormalModuleFactory.js:1031 
    [app]/[webpack]/lib/NormalModuleFactory.js:1031:13
  
  
  - NormalModuleFactory.js:432 
    [app]/[webpack]/lib/NormalModuleFactory.js:432:22
  
  
  - NormalModuleFactory.js:617 
    [app]/[webpack]/lib/NormalModuleFactory.js:617:22
  
  - NormalModuleFactory.js:179 
    [app]/[webpack]/lib/NormalModuleFactory.js:179:10
  
  - NormalModuleFactory.js:887 
    [app]/[webpack]/lib/NormalModuleFactory.js:887:25
  
  - NormalModuleFactory.js:1116 
    [app]/[webpack]/lib/NormalModuleFactory.js:1116:8
  
  - NormalModuleFactory.js:1245 
    [app]/[webpack]/lib/NormalModuleFactory.js:1245:5
  
  - async.js:6883 
    [app]/[neo-async]/async.js:6883:13
  
  - NormalModuleFactory.js:1228 
    [app]/[webpack]/lib/NormalModuleFactory.js:1228:45
  
  - Resolver.js:568 finishWithoutResolve
    [app]/[enhanced-resolve]/lib/Resolver.js:568:11
  
  - Resolver.js:657 
    [app]/[enhanced-resolve]/lib/Resolver.js:657:14
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - DescriptionFilePlugin.js:89 
    [app]/[enhanced-resolve]/lib/DescriptionFilePlugin.js:89:43
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - DescriptionFilePlugin.js:89 
    [app]/[enhanced-resolve]/lib/DescriptionFilePlugin.js:89:43
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - Resolver.js:718 
    [app]/[enhanced-resolve]/lib/Resolver.js:718:5
  
  
  - DirectoryExistsPlugin.js:43 
    [app]/[enhanced-resolve]/lib/DirectoryExistsPlugin.js:43:15
  
  - task_queues:81 process.processTicksAndRejections
    node:internal/process/task_queues:81:21
  
  - child-compiler.js:211 
    [app]/[html-webpack-plugin]/lib/child-compiler.js:211:18
  
  - Compiler.js:648 finalCallback
    [app]/[webpack]/lib/Compiler.js:648:5
  
  - Compiler.js:684 
    [app]/[webpack]/lib/Compiler.js:684:11
  
  - Compiler.js:1378 
    [app]/[webpack]/lib/Compiler.js:1378:17
  
  
  - task_queues:95 process.processTicksAndRejections
    node:internal/process/task_queues:95:5