update docker container files to net 9

.devcontainer/Dockerfile

@@ -3,7 +3,7 @@
 # Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
 #-------------------------------------------------------------------------------------------------------------
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim-amd64
+FROM mcr.microsoft.com/dotnet/sdk:9.0-bookworm-slim-amd64
 
 RUN apt-get update && apt-get install -y ssh
 # This Dockerfile adds a non-root 'vscode' user with sudo access. However, for Linux,

Dockerfile

@@ -1,5 +1,5 @@
 # Pre-build .NET NetDaemon core project
-FROM mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim-amd64 as netbuilder
+FROM mcr.microsoft.com/dotnet/sdk:9.0-bookworm-slim-amd64 as netbuilder
 #FROM mcr.microsoft.com/dotnet/sdk:8.0 as netbuilder
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
@@ -14,7 +14,7 @@ COPY . /usr
 RUN dotnet publish /usr/src/Host/NetDaemon.Host.Default/NetDaemon.Host.Default.csproj -o "/daemon"
 
 # Final stage, create the runtime container
-FROM ghcr.io/net-daemon/netdaemon_base:8
+FROM ghcr.io/net-daemon/netdaemon_base:9
 
 # # Install S6 and the Admin site
 # COPY ./Docker/rootfs/etc/services.d/NetDaemonAdmin /etc/services.d/NetDaemonAdmin

Dockerfile.AddOn

@@ -1,6 +1,6 @@
 # No admin support yet, we need to build the websocket API
 # Pre-build .NET NetDaemon core project
-FROM  mcr.microsoft.com/dotnet/sdk:8.0-bookworm-slim-amd64 as netbuilder
+FROM  mcr.microsoft.com/dotnet/sdk:9.0-bookworm-slim-amd64 as netbuilder
 ARG TARGETPLATFORM
 ARG BUILDPLATFORM
 
@@ -14,7 +14,7 @@ COPY . /usr
 RUN dotnet publish /usr/src/Host/NetDaemon.Host.Default/NetDaemon.Host.Default.csproj -o "/daemon"
 
 # Final stage, create the runtime container
-FROM ghcr.io/net-daemon/netdaemon_addonbase:8
+FROM ghcr.io/net-daemon/netdaemon_addonbase:9
 
 # # Install S6 and the Admin site
 COPY --chmod=755 ./Docker/rootfs/etc/services.d/netdaemon_addon /etc/s6-overlay/s6-rc.d/netdaemon_addon