问在docker上部署net core 2应用程序

EN

version: '3'
services:
  netreact:
    container_name: netreactapp
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - "5000:5000"
    restart: always

FROM microsoft/dotnet:sdk AS base
WORKDIR /app
FROM microsoft/dotnet:sdk AS build
WORKDIR /src
COPY *.sln ./
COPY MyReactApp/*.csproj ./MyReactApp/
RUN dotnet restore
WORKDIR /src/MyReactApp
RUN dotnet publish -c Release -o /app /property:PublishWithAspNetCoreTargetManifest=false
FROM build AS publish
RUN dotnet publish -c Release -o /app
FROM base AS final
WORKDIR /app
COPY --from=publish /app .
ENTRYPOINT ["dotnet", "MyReactApp.dll"]

Step 16/22 : RUN dotnet publish -c Release -o /app /property:PublishWithAspNetCoreTargetManifest=false
 ---> Running in dc0532c03e90
Microsoft (R) Build Engine version 16.0.450+ga8dc7f1d34 for .NET Core
Copyright (C) Microsoft Corporation. All rights reserved.

  Restore completed in 276.74 ms for /src/MyReactApp/MyReactApp.csproj.
  StWebApp -> /src/MyReactApp/bin/Release/netcoreapp2.2/MyReactApp.dll
  StWebApp -> /src/MyReactApp/bin/Release/netcoreapp2.2/MyReactApp.Views.dll
  /bin/sh: 2: /tmp/tmp813c90672ba947489ab89ec17eb80722.exec.cmd: npm: not found
/src/MyReactApp/MyReactApp.csproj(48,5): error MSB3073: The command "npm install" exited with code 127.
ERROR: Service 'netreactapp' failed to build: The command '/bin/sh -c dotnet publish -c Release -o /app /property:PublishWithAspNetCoreTargetManifest=false' returned a non-zero code: 1