Add github workflows

.github/workflows/build.yml

@@ -0,0 +1,27 @@
+name: Run unit tests
+
+on:
+  push:
+    branches: [ '*' ]
+  pull_request:
+    branches: [ '*' ]
+
+  repository_dispatch:
+    types: [test]
+
+jobs:
+  run-unit-test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Java
+      uses: actions/setup-java@v2
+      with:
+        distribution: 'adopt'
+        java-version: '8'
+
+    - name: build
+      run: ./gradlew check -S --no-daemon

.github/workflows/publish.yml

@@ -0,0 +1,46 @@
+name: Publish build to Sonatype
+
+on:
+  push:
+    tags:
+      - '*'
+  repository_dispatch:
+    types: [publish]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    if: github.repository == 'johnsonlee/codegen'
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Setup Java
+      uses: actions/setup-java@v2
+      with:
+        distribution: 'adopt'
+        java-version: '11'
+
+    - name: publish to sonatype
+      run: |
+        echo "Release version ${GITHUB_REF/refs\/tags\/v/} ..."
+        echo "Create GPG private key"
+        echo $GPG_KEY_ARMOR | base64 --decode > ${GITHUB_WORKSPACE}/secring.gpg
+        ./gradlew clean initializeSonatypeStagingRepository publishToSonatype closeAndReleaseRepository -S --no-daemon \
+            -Pversion=${GITHUB_REF/refs\/tags\/v/} \
+            -POSSRH_USERNAME=${OSSRH_USERNAME} \
+            -POSSRH_PASSWORD=${OSSRH_PASSWORD} \
+            -POSSRH_PACKAGE_GROUP=${OSSRH_PACKAGE_GROUP} \
+            -Psigning.keyId=${GPG_KEY_ID} \
+            -Psigning.password=${GPG_PASSPHRASE} \
+            -Psigning.secretKeyRingFile=${GITHUB_WORKSPACE}/secring.gpg
+      env:
+        JAVA_OPTS: -Xmx8g -XX:MaxPermSize=1g -XX:MetaspaceSize=1g -Dfile.encoding=UTF-8
+        JVM_OPTS:  -Xmx8g -XX:MaxPermSize=1g -XX:MetaspaceSize=1g -Dfile.encoding=UTF-8
+        GPG_KEY_ARMOR: ${{ secrets.GPG_KEY_ARMOR }}
+        GPG_KEY_ID: ${{ secrets.GPG_KEY_ID }}
+        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+        OSSRH_PASSWORD: ${{ secrets.OSSRH_PASSWORD }}
+        OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+        OSSRH_PACKAGE_GROUP: ${{ secrets.OSSRH_PACKAGE_GROUP }}