ci: Switched to Dockerfile image build (#54)

Author: itzg

.dockerignore

@@ -1 +1 @@
-src
+!/target/*.jar

.github/workflows/build.yml

@@ -0,0 +1,61 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - master
+      - test/*
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+"
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'adopt'
+        cache: maven
+
+    - name: Build with Maven
+      run: > 
+        ./mvnw
+        -B 
+        package
+
+    - name: Docker meta
+      id: meta
+      uses: docker/metadata-action@v3
+      with:
+        # list of Docker images to use as base name for tags
+        images: |
+          itzg/kidsbank-js
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+
+    - name: Login to DockerHub
+      if: github.event_name != 'pull_request'
+      uses: docker/login-action@v1
+      with:
+        username: ${{ secrets.DOCKER_USER }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        push: ${{ github.event_name != 'pull_request' }}
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}

.github/workflows/maven.yml

@@ -0,0 +1,27 @@
+name: Prepare release
+
+on:
+  workflow_dispatch:
+    inputs:
+      release:
+        description: Version to release
+        required: true
+
+jobs:
+  release:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+          cache: maven
+
+      - name: Prepare release
+        run: |
+          git config --local user.name "Github Actions"
+          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          ./mvnw -B release:prepare -DreleaseVersion=${{ github.event.inputs.release }}

.github/workflows/prepare-release.yml

@@ -147,7 +147,7 @@
     </repositories>
 
     <build>
-        <finalName>${artifactId}</finalName>
+        <finalName>${project.artifactId}</finalName>
         <plugins>
             <plugin>
                 <groupId>org.springframework.boot</groupId>