Added release pipeline.

.github/workflows/release.yml

@@ -0,0 +1,54 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+jobs:
+  release:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+
+    - name: Cache Maven packages
+      uses: actions/cache@v2
+      with:
+        path: ~/.m2
+        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+        restore-keys: ${{ runner.os }}-m2
+
+    - name: Get artifact version
+      id: version
+      run: echo "::set-output name=version::$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)"
+
+    - name: Build artifact
+      run: mvn -B clean package --file pom.xml
+
+    - 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 }}
+        body: Release ${{github.ref }}
+
+    - name: Upload release asset
+      id: upload-release-asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./target/world-downloader-${{ steps.version.outputs.version }}.jar
+        asset_name: world-downloader-${{ steps.version.outputs.version }}.jar
+        asset_content_type: application/java-archive

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>net.fairsquare</groupId>
     <artifactId>world-downloader</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.0.0</version>
     <packaging>jar</packaging>
 
     <name>World Downloader</name>