add dotnet 8

.github/workflows/dotnet.yaml

@@ -17,6 +17,7 @@ jobs:
       matrix:
         tag:
           - 9
+          - 8
     steps:
       - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v3

dotnet/8/Dockerfile

@@ -0,0 +1,26 @@
+FROM        --platform=$TARGETOS/$TARGETARCH ghcr.io/parkervcp/yolks:debian
+
+LABEL       authors="Torsten Widmann, Lara The Protogen"
+
+ENV         DEBIAN_FRONTEND=noninteractive
+
+RUN         apt update -y \
+            && apt upgrade -y \
+            && apt install -y apt-transport-https wget curl iproute2 libgdiplus tini python3-pip \
+            && pip install --break-system-packages supervisor \
+            && wget https://dot.net/v1/dotnet-install.sh \
+            && D_V="$(curl -sSL https://dotnet.microsoft.com/en-us/download/dotnet/8.0 | grep -i  '<h3 id="sdk-8.*">SDK 8.*.*</h3>'  | head -1 | awk -F\" '{print $3}' | awk '{print $2;}' | sed 's/<\/h3>//g')" \ 
+            && chmod +x dotnet-install.sh \
+			&& ./dotnet-install.sh -i /usr/share -v $D_V \
+            && ln -s /usr/share/dotnet /usr/bin/dotnet
+
+USER        container
+ENV         USER=container HOME=/home/container
+WORKDIR     /home/container
+
+STOPSIGNAL SIGINT
+
+COPY        --chown=container:container ./../entrypoint.sh /entrypoint.sh
+RUN         chmod +x /entrypoint.sh
+ENTRYPOINT    ["/usr/bin/tini", "-g", "--"]
+CMD         ["/entrypoint.sh"]