diff --git a/.github/actions/build-and-test/action.yml b/.github/actions/build-and-test/action.yml
new file mode 100644
index 0000000..200e790
--- /dev/null
+++ b/.github/actions/build-and-test/action.yml
@@ -0,0 +1,23 @@
+name: Build and test
+description: The action file for building and testing a .NET project.
+author: a.eiji
+
+runs:
+  using: 'composite'
+  steps:
+    - name: set up dotnet core sdk
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: '8.0.x'
+         
+    - name: restoring dependencies
+      run: dotnet restore --no-cache
+      shell: bash
+    
+    - name: build project
+      run: dotnet build --no-restore --configuration Release
+      shell: bash
+
+    - name: run unit tests
+      run: dotnet test -c Release --no-restore --verbosity normal
+      shell: bash
\ No newline at end of file
diff --git a/.github/actions/create-and-push-artifact/action.yml b/.github/actions/create-and-push-artifact/action.yml
new file mode 100644
index 0000000..35dd36d
--- /dev/null
+++ b/.github/actions/create-and-push-artifact/action.yml
@@ -0,0 +1,32 @@
+name: Pack and publish nuget
+description: Action for packing and publishing NuGet packages to the NuGet repository
+author: a.eiji
+
+inputs:
+  nuget_api_key:
+    required: true
+    description: "nuget.org api key for publishing the nuget package"
+runs:
+  using: 'composite'
+  
+  steps:
+    - name: Generate Version
+      id: get_next_version
+      uses: thenativeweb/get-next-version@main
+
+    - name: create tag
+      if: ${{ steps.get_next_version.outputs.hasNextVersion == 'true' }}
+      run: |
+        git tag v${{ steps.get_next_version.outputs.version }}
+        git push origin v${{ steps.get_next_version.outputs.version }}
+      shell: bash
+
+    - name: pack the nuget package
+      if: ${{ steps.get_next_version.outputs.hasNextVersion == 'true' }}
+      run: dotnet pack --configuration Release --no-build --output ./nupkg /p:PackageVersion=${{ steps.get_next_version.outputs.version }}
+      shell: bash
+
+    - name: publish nuget package
+      if: ${{ steps.get_next_version.outputs.hasNextVersion == 'true' }}
+      run: dotnet nuget push ./nupkg/*.nupkg --api-key ${{ inputs.nuget_api_key }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+      shell: bash
\ No newline at end of file
diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
new file mode 100644
index 0000000..f104502
--- /dev/null
+++ b/.github/workflows/cicd.yml
@@ -0,0 +1,25 @@
+name: Gitea.client cicd workflow
+
+on:
+  push:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build-test-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: build and test
+        uses: ./.github/actions/build-and-test/
+
+      - name: pack and push nuget
+        if: github.event_name == 'push' && github.base_ref == 'master'
+        uses: ./.github/actions/create-and-push-artifact/
+        with:
+          nuget_api_key: ${{ secrets.NUGET_API_KEY }}
\ No newline at end of file