first one

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Deployment
+
+env: 
+  HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
+  HEROKU_APP_NAME: ${{ secrets.HEROKU_APP_NAME }}
+on:
+  push:
+    branches:
+      - master
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: '8'
+      - name: Build with Maven
+        run: mvn -B package -DskipTests --file pom.xml
+      - name: Heroku Container Registry login
+        run: heroku container:login
+      - name: Build and push
+        run: heroku container:push -a $HEROKU_API_KEY web
+      - name: Release
+        run: heroku container:release -a $HEROKU_APP_NAME web  

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+on:
+  pull_request:
+    branches: master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps: 
+        - name: Checkout
+          uses: actions/checkout@v1
+
+        - name:
+          uses: actions/setup-java@v1
+          with:
+                java-version: 8
+
+        - name: Setup Maven
+          uses: stCarolas/setup-maven@v4.5
+          with:
+                maven-version: 3.8.2
+
+        - name: Tests
+          run:  mvn clean install        

Dockerfile

@@ -0,0 +1,7 @@
+#check user miki
+FROM openjdk:8-jdk-alpine
+RUN addgroup -S miki && adduser -S miki -G miki
+USER miki:miki
+ARG JAR_FILE=target/*.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]

heroku.yml

@@ -0,0 +1,5 @@
+build:
+  docker:
+    web: Dockerfile
+  server:
+    port: ${PORT:8090}

src/main/resources/application.properties

@@ -1 +1 @@
-server.port=${PORT}
+server.port=8090