Setup java 17 and cleanup in Dockerfiles.

.github/workflows/docker-image.yml

@@ -39,13 +39,13 @@ jobs:
             # set dev tag for dev branch
             type=raw,value=dev,enable=${{ github.ref == 'refs/heads/dev'}}
       -
-        name: Go Build Cache for Docker
+        name: Maven Build Cache for Docker
         uses: actions/cache@v4
         with:
           path: maven-cache
           key: ${{ runner.os }}-maven-cache-${{ hashFiles('**/pom.xml') }}
-
-      - name: inject go-build-cache into docker
+      -
+        name: Inject Maven Build Cache into Docker
         uses: reproducible-containers/[email protected]
         with:
           cache-map: |

Dockerfile

@@ -11,7 +11,6 @@ COPY pom.xml /MetFragRelaunched/
 RUN printf '# local database file folder \n\
 LocalDatabasesFolderForWeb = /vol/file_databases' > /MetFragRelaunched/MetFragWeb/src/main/webapp/resources/settings.properties
 
-# Cache Maven dependencies using a named cache
 RUN --mount=type=cache,target=/root/.m2 mvn -f MetFragRelaunched clean package -pl MetFragWeb -am -DskipTests
 
 FROM alpine:latest AS downloader

Dockerfile-REST

@@ -1,4 +1,4 @@
-FROM maven:3-jdk-11 AS builder
+FROM maven:3.8-eclipse-temurin-17 AS builder
 
 COPY MetFragLib/ /MetFragRelaunched/MetFragLib/
 COPY MetFragCommandLine/ /MetFragRelaunched/MetFragCommandLine/
@@ -11,11 +11,10 @@ COPY pom.xml /MetFragRelaunched/
 RUN printf '# local database file folder \n\
 LocalDatabasesFolderForWeb = /vol/file_databases' > /MetFragRelaunched/MetFragWeb/src/main/webapp/resources/settings.properties
 
-RUN mvn -Dhttps.protocols=TLSv1.2 -f MetFragRelaunched clean package -pl MetFragLib -pl MetFragRest -am -DskipTests
-
+RUN --mount=type=cache,target=/root/.m2 mvn -f MetFragRelaunched clean package -pl MetFragRest -am -DskipTests
 
 #FROM tomee:8
-FROM maven:3-jdk-11 
+FROM eclipse-temurin:17
 
 RUN set -eux; \
 	apt-get update; \