feat: github workflow

.github/workflows/build.yml

@@ -0,0 +1,67 @@
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - '**'
+  pull_request:
+
+# cancel older runs of a pull request;
+# this will not cancel anything for normal git pushes
+concurrency:
+  group: cancel-old-pr-runs-${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        java-version: [8, 11]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v3
+        with:
+          java-version: ${{ matrix.java-version }}
+          distribution: temurin
+
+      # Check publishing
+      - run: ./millw -i __.publishLocal $(pwd)/testRepo
+
+      # Test
+      - run: ./millw -i -k __.test
+
+  publish:
+    needs: [build]
+    if: github.repository == 'hoangmaihuy/mill-missinglink' && github.ref == 'refs/heads/main'
+    runs-on: ubuntu-latest
+    concurrency: publish-{{ github.sha }}
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-java@v3
+        with:
+          java-version: 8
+          distribution: temurin
+
+      - run: ./millw -i __.publishLocal testRepo
+
+      - name: Setup GPG secrets
+        run: |
+          gpg --version
+          cat <(echo "${{ secrets.GPG_SECRET_KEY }}") | base64 --decode | gpg --batch --import
+          gpg --list-secret-keys --keyid-format LONG
+
+      - name: Publish to Maven Central
+        run: ./millw -i mill.scalalib.PublishModule/publishAll --sonatypeCreds "${{ secrets.SONATYPE_CREDS }}" --gpgArgs "--passphrase=${{ secrets.GPG_SECRET_KEY_PASS}},--batch,--yes,-a,-b,--pinentry-mode,loopback" --publishArtifacts __.publishArtifacts --readTimeout 600000 --awaitTimeout 600000 --release true --signed true