diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
new file mode 100644
index 0000000..8def61e
--- /dev/null
+++ b/.github/workflows/dotnet.yml
@@ -0,0 +1,41 @@
+name: build dotnet
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  # workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * 1"
+  push:
+    branches:
+      - master
+    paths:
+      - dotnet/**
+jobs:
+  push:
+    name: "yolks:dotnet_${{ matrix.tag }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        tag:
+          - 2.1
+          - 3.1
+          - 5.0
+    steps:
+      - uses: actions/checkout@v2
+      - uses: docker/setup-buildx-action@v1
+        with:
+          version: "v0.5.1"
+          buildkitd-flags: --debug
+      - uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+      - uses: docker/build-push-action@v2
+        with:
+          context: ./dotnet
+          file: ./dotnet/${{ matrix.tag }}/Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: |
+            ghcr.io/parkervcp/yolks:dotnet_${{ matrix.tag }}
diff --git a/README.md b/README.md
index a196a6b..2ac804b 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,13 @@ is tagged correctly.
     * `ghcr.io/parkervcp/yolks:cassandra_java11_python2`
   * [`cassandra_java11_python3`](/cassandra/cassandra_java11_python3)
     * `ghcr.io/parkervcp/yolks:cassandra_java11_python3`
+### [dotNet](/dotnet)
+  * [`dotnet2.1`](/dotnet/2.1)
+    * `ghcr.io/parkervcp/yolks:dotnet_2.1`
+  * [`dotnet3.1`](/dotnet/3.1)
+    * `ghcr.io/parkervcp/yolks:dotnet_3.1`
+  * [`dotnet5.0`](/dotnet/5.0)
+    * `ghcr.io/parkervcp/yolks:dotnet_5.0`        
 ### [Erlang](/erlang)
   * [`erlang22`](/erlang/22)
     * `ghcr.io/parkervcp/yolks:erlang_22`
diff --git a/dotnet/2.1/Dockerfile b/dotnet/2.1/Dockerfile
new file mode 100644
index 0000000..eac865a
--- /dev/null
+++ b/dotnet/2.1/Dockerfile
@@ -0,0 +1,21 @@
+FROM    ghcr.io/parkervcp/yolks:debian
+
+LABEL   author="Torsten Widmann" maintainer="info@goover.de"
+
+ENV     DEBIAN_FRONTEND noninteractive
+
+RUN     apt update -y \
+          && apt upgrade -y \
+          && apt install -y apt-transport-https wget iproute2 \
+          && wget https://packages.microsoft.com/config/debian/10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+          && dpkg -i packages-microsoft-prod.deb \
+          && rm packages-microsoft-prod.deb \
+          && apt update -y \
+          && apt install -y aspnetcore-runtime-2.1 libgdiplus
+
+USER    container
+ENV     USER=container HOME=/home/container
+WORKDIR /home/container
+
+COPY    ./../entrypoint.sh /entrypoint.sh
+CMD     ["/bin/bash", "/entrypoint.sh"]
diff --git a/dotnet/3.1/Dockerfile b/dotnet/3.1/Dockerfile
new file mode 100644
index 0000000..d6017e9
--- /dev/null
+++ b/dotnet/3.1/Dockerfile
@@ -0,0 +1,21 @@
+FROM    ghcr.io/parkervcp/yolks:debian
+
+LABEL   author="Torsten Widmann" maintainer="info@goover.de"
+
+ENV     DEBIAN_FRONTEND noninteractive
+
+RUN     apt update -y \
+          && apt upgrade -y \
+          && apt install -y apt-transport-https wget iproute2 \
+          && wget https://packages.microsoft.com/config/debian/10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+          && dpkg -i packages-microsoft-prod.deb \
+          && rm packages-microsoft-prod.deb \
+          && apt update -y \
+          && apt install -y aspnetcore-runtime-3.1 libgdiplus
+
+USER    container
+ENV     USER=container HOME=/home/container
+WORKDIR /home/container
+
+COPY    ./../entrypoint.sh /entrypoint.sh
+CMD     ["/bin/bash", "/entrypoint.sh"]
diff --git a/dotnet/5/Dockerfile b/dotnet/5/Dockerfile
new file mode 100644
index 0000000..afcf253
--- /dev/null
+++ b/dotnet/5/Dockerfile
@@ -0,0 +1,21 @@
+FROM    ghcr.io/parkervcp/yolks:debian
+
+LABEL   author="Torsten Widmann" maintainer="info@goover.de"
+
+ENV     DEBIAN_FRONTEND noninteractive
+
+RUN     apt update -y \
+          && apt upgrade -y \
+          && apt install -y apt-transport-https wget iproute2 \
+          && wget https://packages.microsoft.com/config/debian/10/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+          && dpkg -i packages-microsoft-prod.deb \
+          && rm packages-microsoft-prod.deb \
+          && apt update -y \
+          && apt install -y aspnetcore-runtime-5.0 libgdiplus
+
+USER    container
+ENV     USER=container HOME=/home/container
+WORKDIR /home/container
+
+COPY    ./../entrypoint.sh /entrypoint.sh
+CMD     ["/bin/bash", "/entrypoint.sh"]
diff --git a/dotnet/entrypoint.sh b/dotnet/entrypoint.sh
new file mode 100644
index 0000000..13d9e20
--- /dev/null
+++ b/dotnet/entrypoint.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+cd /home/container
+
+# Make internal Docker IP address available to processes.
+export INTERNAL_IP=`ip route get 1 | awk '{print $NF;exit}'`
+
+# Replace Startup Variables
+MODIFIED_STARTUP=$(echo -e ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')
+echo -e ":/home/container$ ${MODIFIED_STARTUP}"
+
+# Run the Server
+eval ${MODIFIED_STARTUP}