feat: switched java version for docker build, github actions and mave…

…n build

.github/workflows/dockerImage.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup JVM
         uses: actions/setup-java@v1
         with:
-          java-version: 1.8.0.181
+          java-version: 11.0.10
           java-package: jdk
           architecture: x64
 

.github/workflows/feature-branch.yml

@@ -1,4 +1,4 @@
-name: Feature Branch 
+name: Feature Branch
 
 on:
   push:
@@ -8,29 +8,29 @@ on:
 
 jobs:
   test:
-    name: Build and run unit tests 
+    name: Build and run unit tests
     runs-on: ubuntu-latest
     steps:
-    
+
     - name: Checkout
       uses: actions/checkout@v2
-      
+
     - name: Setup JVM
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8.0.181
+        java-version: 11.0.10
         java-package: jdk
         architecture: x64
-    
+
     - name: Caching maven dependencies
       uses: actions/cache@v1
       env:
         cache-name: cache-maven-dependencies
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/pom.xml') }}
-    
+
     - name: Maven Package
       run: mvn -B -Pprod  clean package -DskipTests
     - name: Maven Verify
-      run: mvn -B -Pprod clean verify
+      run: mvn -B -Pprod clean verify

Dockerfile

@@ -1,6 +1,6 @@
-FROM openjdk:8-jdk-alpine
+FROM openjdk:11.0.10-jre-slim-buster
 VOLUME ["/tmp","/log"]
 EXPOSE 8080
 ARG JAR_FILE
 COPY ./MessageService.jar app.jar
-ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]
+ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

pom.xml

@@ -23,7 +23,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <java.version>1.8</java.version>
+    <java.version>11</java.version>
   </properties>
 
   <dependencies>