929846 Changed the Docker section of HTML to PDF sample

Author: sameerkhan001

Docker/HTML_to_PDF_docker/Dockerfile

@@ -1,6 +1,6 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:3.1 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
 RUN apt-get update && \
     apt-get install -yq --no-install-recommends \ 
     libasound2 libatk1.0-0 libc6 libcairo2 libcups2 libdbus-1-3 \ 
@@ -9,10 +9,12 @@ RUN apt-get update && \
     libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxss1 libxtst6 \ 
     libnss3 libgbm1
 WORKDIR /app
+
+
 EXPOSE 80
 EXPOSE 443
 
-FROM mcr.microsoft.com/dotnet/sdk:3.1 AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build
 WORKDIR /src
 COPY ["HTML_to_PDF_docker/HTML_to_PDF_docker.csproj", "HTML_to_PDF_docker/"]
 RUN dotnet restore "HTML_to_PDF_docker/HTML_to_PDF_docker.csproj"
@@ -22,6 +24,9 @@ RUN dotnet build "HTML_to_PDF_docker.csproj" -c Release -o /app/build
 
 FROM build AS publish
 RUN dotnet publish "HTML_to_PDF_docker.csproj" -c Release -o /app/publish
+RUN chmod +x /app/runtimes/linux/native/chrome && \
+    chmod +x /app/runtimes/linux/native/chrome-wrapper
+
 
 FROM base AS final
 WORKDIR /app

Docker/HTML_to_PDF_docker/HTML_to_PDF_docker.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <UserSecretsId>6c7f4163-1d66-435b-ab83-6a6f99a7006c</UserSecretsId>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.11.1" />
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
     <PackageReference Include="Syncfusion.HtmlToPdfConverter.Net.Linux" Version="*" />
   </ItemGroup>