Modified Word to PDF docker samples version to .NET80

Author: DharanitharanA

Word-to-PDF-Conversion/Convert-Word-document-to-PDF/Docker/CentOS/WordToPDFDockerSample/Dockerfile

@@ -1,10 +1,36 @@
-#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+# Use the official .NET 8.0 SDK image from Microsoft for building the application
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+RUN apt-get update -y && apt-get install libfontconfig -y
+WORKDIR /src
 
+# Copy the project file and restore dependencies
+COPY ["WordToPDFDockerSample.csproj", "."]
+RUN dotnet restore "WordToPDFDockerSample.csproj"
+
+# Copy the rest of the application code and build the application
+COPY . .
+RUN dotnet build "WordToPDFDockerSample.csproj" -c Release -o /app/build
+
+# Publish the application
+FROM build AS publish
+RUN dotnet publish "WordToPDFDockerSample.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+# Use CentOS 8 as the base image for the final runtime
 FROM centos:8
 
-Run dnf install dotnet-sdk-8.0 -y
-RUN dnf install dotnet-runtime-8.0 -y
+# Install .NET 8.0 runtime
+RUN dnf install -y https://packages.microsoft.com/config/centos/8/prod.repo \
+    && dnf install -y dotnet-runtime-8.0 \
+    && dnf clean all
+
+# Install fontconfig for fonts
+RUN dnf install -y fontconfig
+
+# Set the working directory
+WORKDIR /app
 
-RUN dnf install fontconfig -y
+# Copy the published application from the previous stage
+COPY --from=publish /app/publish .
 
-ENTRYPOINT ["dotnet" "WordToPDFDockerSample.dll"]
+# Set the entry point for the container
+ENTRYPOINT ["dotnet", "WordToPDFDockerSample.dll"]

Word-to-PDF-Conversion/Convert-Word-document-to-PDF/Docker/Fedora/WordToPDFDockerSample/Dockerfile

@@ -2,9 +2,26 @@
 
 FROM fedora:latest
 
+# Install .NET 8.0 SDK and runtime
 Run dnf install dotnet-sdk-8.0 -y
 RUN dnf install dotnet-runtime-8.0 -y
 
+# Install fontconfig for font support
 RUN dnf install fontconfig -y
 
-ENTRYPOINT ["dotnet" "WordToPDFDockerSample.dll"]
+# Set the working directory
+WORKDIR /app
+
+# Copy the application files
+COPY ["WordToPDFDockerSample.csproj", "."]
+RUN dotnet restore "WordToPDFDockerSample.csproj"
+COPY . .
+
+# Build the application
+RUN dotnet build "WordToPDFDockerSample.csproj" -c Release -o /app/build
+
+# Publish the application
+RUN dotnet publish "WordToPDFDockerSample.csproj" -c Release -o /app/publish
+
+# Set the final stage to use the runtime image
+ENTRYPOINT ["dotnet", "WordToPDFDockerSample.dll"]

Word-to-PDF-Conversion/Convert-Word-document-to-PDF/Docker/RHEL/WordToPDFDockerSample/Dockerfile

@@ -2,9 +2,11 @@
 
 FROM registry.access.redhat.com/ubi8/dotnet-80-runtime AS base
 USER root
-RUN yum -y install fontconfig --disablerepo=epel
-WORKDIR /
+RUN microdnf install -y fontconfig \
+    && microdnf clean all
+WORKDIR /app
 
+# Use Red Hat Universal Base Image (UBI) 8 with .NET 8.0 SDK for building the application
 FROM registry.access.redhat.com/ubi8/dotnet-80 AS build
 WORKDIR /src
 COPY ["WordToPDFDockerSample.csproj", ""]
@@ -13,10 +15,12 @@ COPY . .
 WORKDIR "/src/."
 RUN dotnet build "WordToPDFDockerSample.csproj" -c Release -o /app/build
 
+# Publish the application
 FROM build AS publish
 RUN dotnet publish "WordToPDFDockerSample.csproj" -c Release -o /app/publish
 
+# Use the .NET 8.0 runtime to run the application
 FROM base AS final
 WORKDIR /app
 COPY --from=publish /app/publish .
-ENTRYPOINT ["dotnet", "WordToPDFDockerSample.dll"]
+ENTRYPOINT ["dotnet", "WordToPDFDockerSample.dll"]

Word-to-PDF-Conversion/Convert-Word-document-to-PDF/Docker/Ubuntu/WordToPDFDockerSample/Dockerfile

@@ -1,10 +1,10 @@
 #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/runtime:8.0-bionic AS base
+FROM mcr.microsoft.com/dotnet/runtime:8.0-jammy AS base
 RUN apt-get update -y && apt-get install fontconfig -y
 WORKDIR /app
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bionic AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0-jammy AS build
 WORKDIR /src
 COPY ["WordToPDFDockerSample.csproj", "."]
 RUN dotnet restore "./WordToPDFDockerSample.csproj"