MIgrated to .net 7 sdk

Dockerfile

@@ -1,27 +1,34 @@
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+# Use the .NET 7.0 runtime as the base image
+FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
 WORKDIR /app
 EXPOSE 5000
 
 ENV ASPNETCORE_URLS=http://+:5000
 
 # Creates a non-root user with an explicit UID and adds permission to access the /app folder
-# For more info, please refer to https://aka.ms/vscode-docker-dotnet-configure-containers
 RUN adduser -u 5678 --disabled-password --gecos "" appuser && chown -R appuser /app
 USER appuser
 
-# build stage
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+# Build stage using .NET 7.0 SDK
+FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build
 COPY ["src/Play.Catalog.Contracts/Play.Catalog.Contracts.csproj", "src/Play.Catalog.Contracts/"]
 COPY ["src/Play.Catalog.Service/Play.Catalog.Service.csproj", "src/Play.Catalog.Service/"]
 
-RUN --mount=type=secret,id=GH_OWNER,dst=/GH_OWNER --mount=type=secret,id=GH_PAT,dst=/GH_PAT \ 
+# Configure GitHub Package Registry secrets for NuGet
+RUN --mount=type=secret,id=GH_OWNER,dst=/GH_OWNER --mount=type=secret,id=GH_PAT,dst=/GH_PAT \
     dotnet nuget add source --username USERNAME --password `cat /GH_PAT` --store-password-in-clear-text --name github "https://nuget.pkg.github.com/`cat /GH_OWNER`/index.json"
 
+# Restore dependencies
 RUN dotnet restore "src/Play.Catalog.Service/Play.Catalog.Service.csproj"
+
+# Copy the source code
 COPY ./src ./src
 WORKDIR "/src/Play.Catalog.Service"
+
+# Publish the application
 RUN dotnet publish "Play.Catalog.Service.csproj" -c Release --no-restore -o /app/publish /p:UseAppHost=false
 
+# Final stage using .NET 7.0 runtime
 FROM base AS final
 WORKDIR /app
 COPY --from=build /app/publish .