Add CI workflow for automated testing and release

.github/workflows/ci.yml

@@ -0,0 +1,102 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        go-version: [1.16]
+        os: [windows-latest, macos-latest, ubuntu-latest]
+        arch: [amd64, arm64]
+        include:
+          - os: windows-latest
+            arch: amd64
+          - os: macos-latest
+            arch: amd64
+          - os: macos-latest
+            arch: arm64
+          - os: ubuntu-latest
+            arch: amd64
+          - os: ubuntu-latest
+            arch: arm64
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Install Go for ARM64 (Linux)
+        if: ${{ matrix.arch == 'arm64' && matrix.os == 'ubuntu-latest' }}
+        run: |
+          sudo rm -rf /usr/local/go
+          curl -L https://golang.org/dl/go1.16.linux-arm64.tar.gz | sudo tar -C /usr/local -xz
+          echo "/usr/local/go/bin" >> $GITHUB_PATH
+
+      - name: Set environment variables
+        run: |
+          echo "GOARCH=${{ matrix.arch }}" >> $GITHUB_ENV
+          if [[ "${{ matrix.os }}" == 'windows-latest' ]]; then
+            echo "GOOS=windows" >> $GITHUB_ENV
+            echo "EXT=.exe" >> $GITHUB_ENV
+          elif [[ "${{ matrix.os }}" == 'macos-latest' ]]; then
+            echo "GOOS=darwin" >> $GITHUB_ENV
+            echo "EXT=" >> $GITHUB_ENV
+          else
+            echo "GOOS=linux" >> $GITHUB_ENV
+            echo "EXT=" >> $GITHUB_ENV
+          fi
+
+      - name: Run Tests
+        run: |
+          GOOS=${{ env.GOOS }} GOARCH=${{ env.GOARCH }} go test -v ./...
+
+      - name: Build binary
+        run: |
+          mkdir -p build
+          GOOS=${{ env.GOOS }} GOARCH=${{ env.GOARCH }} go build -ldflags="-s -w" -o build/cleaner-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.EXT }}
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: cleaner-${{ matrix.os }}-${{ matrix.arch }}
+          path: build/*
+
+  release:
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v2
+        with:
+          path: ./build
+
+      - name: Create Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false
+
+      - name: Upload Release Assets
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./build/*
+          asset_name: ""
+          tag: ${{ github.ref }}