diff --git a/.github/workflows/dotnet-core.yml b/.github/workflows/dotnet-core.yml
new file mode 100644
index 0000000..c6b7818
--- /dev/null
+++ b/.github/workflows/dotnet-core.yml
@@ -0,0 +1,30 @@
+name: .NET Core
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    env:
+      working-directory: ./src
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.101
+    - name: Install dependencies
+      run: dotnet restore
+      working-directory: ${{env.working-directory}}
+    - name: Build
+      run: dotnet build --configuration Release --no-restore
+      working-directory: ${{env.working-directory}}
+    - name: Test
+      run: dotnet test --no-restore --verbosity normal
+      working-directory: ${{env.working-directory}}
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..05f451e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+![Test](https://github.com/NicolasConstant/BirdsiteLive/workflows/.NET%20Core/badge.svg?branch=master&event=push)
+
+# BirdsiteLive
+An ethical ActivityPub bridge from Twitter