Aspnet 8.0 (#538)

* Update to debian 12

* Correctly load the GPG Key for debian 12

* Try to enforce port 80

Dockerfile

@@ -12,7 +12,7 @@ RUN touch /app/SQL/DbMigrationScript.sql
 RUN --mount=type=secret,id=github_token dotnet nuget add source --username USERNAME --password $(cat /run/secrets/github_token) --store-password-in-clear-text --name github "https://nuget.pkg.github.com/DFE-Digital/index.json"
 RUN dotnet restore TramsDataApi.sln
 RUN dotnet new tool-manifest
-RUN dotnet tool install dotnet-ef --version 6.0.5
+RUN dotnet tool install dotnet-ef --version 8.0.7
 ENV PATH="$PATH:/root/.dotnet/tools"
 
 RUN dotnet ef migrations script --output /app/SQL/DbMigrationScriptLegacy.sql --project TramsDataApi --context TramsDataApi.DatabaseModels.LegacyTramsDbContext --idempotent -v
@@ -23,12 +23,12 @@ RUN dotnet build -c Release TramsDataApi.sln --no-restore
 RUN dotnet publish TramsDataApi -c Release -o /app --no-restore
 
 ARG ASPNET_IMAGE_TAG
-FROM mcr.microsoft.com/dotnet/aspnet:7.0.20-bullseye-slim AS final
+FROM mcr.microsoft.com/dotnet/aspnet:8.0-bookworm-slim AS final
 
 RUN apt-get update
 RUN apt-get install unixodbc curl gnupg -y
-RUN curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
-RUN curl https://packages.microsoft.com/config/debian/11/prod.list | tee /etc/apt/sources.list.d/msprod.list
+RUN curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg
+RUN curl https://packages.microsoft.com/config/debian/12/prod.list | tee /etc/apt/sources.list.d/msprod.list
 RUN apt-get update
 RUN ACCEPT_EULA=Y apt-get install msodbcsql18 mssql-tools18 -y
 
@@ -37,4 +37,6 @@ COPY --from=build /app /app
 WORKDIR /app
 COPY ./script/web-docker-entrypoint.sh ./docker-entrypoint.sh
 RUN chmod +x ./docker-entrypoint.sh
+
+ENV ASPNETCORE_HTTP_PORTS 80
 EXPOSE 80/tcp