fix maven options

.github/workflows/build.yml

@@ -16,11 +16,6 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    env:
-      MAVEN_OPTS: "-Dhttps.protocols=TLSv1.2 -Dmaven.repo.local=$GITHUB_WORKSPACE/.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true"
-      MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
-      CI: "true"
-
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -38,13 +33,13 @@ jobs:
       - name: Cache Maven Deps
         uses: actions/cache@v2
         with:
-          path: ~/.m2/repository
+          path: $GITHUB_WORKSPACE/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             ${{ runner.os }}-maven-
 
       - name: Build backend
-        run: mvn install -DskipTests # todo fix tests
+        run: mvn --batch-mode --errors --fail-at-end --show-version --no-transfer-progress -Dmaven.repo.local=$GITHUB_WORKSPACE/.m2/repository install -DskipTests # todo fix tests
 
       - name: Cache Yarn
         uses: actions/cache@v2
@@ -55,7 +50,11 @@ jobs:
             ${{ runner.os }}-yarn-
 
       - name: Install frontend deps
+        env:
+          CI: true
         run: (cd frontend && yarn install --frozen-lockfile --cache-folder ~/.cache/yarn)
 
       - name: Build frontend
+        env:
+          CI: true
         run: (cd frontend && yarn build)