Update the base image version of Dockerfile

aspnet-core/services/account/AuthServer.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/admin/LINGYUN.Abp.BackendAdmin.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/apigateway/LINGYUN.ApiGateway.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/apigateway/LINGYUN.ApiGateway.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/identity-server/LINGYUN.Abp.IdentityServer4.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/messages/LINGYUN.Abp.MessageService.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app
 

aspnet-core/services/platform/LINGYUN.Platform.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:5.0
 LABEL maintainer="colin.in@foxmail.com"
 WORKDIR /app