fix docker image version

src/EventHub.Admin.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/publish/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.Admin.HttpApi.Host.dll"]

src/EventHub.BackgroundServices/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.BackgroundServices.dll"]

src/EventHub.DbMigrator/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.DbMigrator.dll"]

src/EventHub.HttpApi.Host/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/publish/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.HttpApi.Host.dll"]

src/EventHub.IdentityServer/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/publish/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.IdentityServer.dll"]

src/EventHub.Web/Dockerfile

@@ -1,4 +1,4 @@
-  FROM mcr.microsoft.com/dotnet/aspnet:8.3.1-bullseye-slim
+  FROM mcr.microsoft.com/dotnet/aspnet:8.0
   COPY bin/Release/net8.0/publish/ app/
   WORKDIR /app
   ENTRYPOINT ["dotnet", "EventHub.Web.dll"]