Make Dockerfile support asp net core 3.0

modules/docs/app/VoloDocs.Migrator/Dockerfile

@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/modules/docs/app/VoloDocs.Migrator"

modules/docs/app/VoloDocs.Web/Dockerfile

@@ -1,8 +1,8 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM mcr.microsoft.com/dotnet/core/sdk:2.2-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/modules/docs/app/VoloDocs.Web"

samples/BookStore-Modular/modules/book-management/database/Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 COPY . .
 
 WORKDIR /templates/service/host/IdentityServerHost

samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.HttpApi.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/Acme.BookStore.BookManagement.HttpApi.Host

samples/BookStore-Modular/modules/book-management/host/Acme.BookStore.BookManagement.IdentityServer/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/Acme.BookStore.BookManagement.IdentityServer

samples/MicroserviceDemo/applications/AuthServer.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/applications/AuthServer.Host"

samples/MicroserviceDemo/applications/BackendAdminApp.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/applications/BackendAdminApp.Host"

samples/MicroserviceDemo/applications/PublicWebSite.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/applications/PublicWebSite.Host"

samples/MicroserviceDemo/databases/Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 RUN apk add --no-cache bash
 WORKDIR /src
 COPY . .

samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/gateways/BackendAdminAppGateway.Host"

samples/MicroserviceDemo/gateways/InternalGateway.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/gateways/InternalGateway.Host"

samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/gateways/PublicWebSiteGateway.Host"

samples/MicroserviceDemo/microservices/BloggingService.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/microservices/BloggingService.Host"

samples/MicroserviceDemo/microservices/IdentityService.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/microservices/IdentityService.Host"

samples/MicroserviceDemo/microservices/ProductService.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime-alpine AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR "/src/samples/MicroserviceDemo/microservices/ProductService.Host"

templates/module/aspnet-core/database/Dockerfile

@@ -1,4 +1,4 @@
-FROM microsoft/dotnet:2.2-sdk-alpine AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 COPY . .
 
 WORKDIR /templates/service/host/IdentityServerHost

templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/MyCompanyName.MyProjectName.HttpApi.Host

templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/Dockerfile

@@ -1,8 +1,8 @@
-FROM microsoft/dotnet:2.2-aspnetcore-runtime AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.0-buster-slim AS base
 WORKDIR /app
 EXPOSE 80
 
-FROM microsoft/dotnet:2.2-sdk AS build
+FROM mcr.microsoft.com/dotnet/core/sdk:3.0-buster AS build
 WORKDIR /src
 COPY . .
 WORKDIR /src/templates/service/host/MyCompanyName.MyProjectName.IdentityServer