moved from echo to printf

.gitea/workflows/ci.yaml

@@ -1,91 +1,71 @@
 name: CI/CD
-
 on:
   push:
     branches:
       - dev
       - main
-
   pull_request:
     branches:
       - main
-
 env:
   JAVA_VERSION: "21"
-
 jobs:
   backend-unit-tests:
     name: Backend Unit Tests
     runs-on: ubuntu-latest
-
     defaults:
       run:
         working-directory: backend
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
-
       - name: Make Gradle wrapper executable
         run: chmod +x gradlew
-
       - name: Run unit tests
         run: ./gradlew test
-
   deploy:
     name: Deploy
     needs: backend-unit-tests
-
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
-
       - name: Build boot jar
         working-directory: backend
         run: |
           chmod +x gradlew
           ./gradlew bootJar
-
       - name: Stage jar for Docker
         working-directory: backend
         run: |
           BOOT_JAR=$(find build/libs -name "*.jar" ! -name "*-plain.jar" | head -n 1)
           cp "$BOOT_JAR" app.jar
-
       - name: Login to Docker registry
         run: |
           echo "${{ secrets.REGISTRY_PASSWORD }}" | \
             docker login git.${{ secrets.DOMAIN }} \
             -u "${{ secrets.REGISTRY_USER }}" \
             --password-stdin
-
       - name: Build Docker image
         run: |
           docker build \
             -t git.${{ secrets.DOMAIN }}/${{ secrets.REGISTRY_USER }}/etf-oglasi-server:latest \
             backend/
-
       - name: Push Docker image
         run: |
           docker push \
             git.${{ secrets.DOMAIN }}/${{ secrets.REGISTRY_USER }}/etf-oglasi-server:latest
-
       - name: Deploy to VPS
         run: |
           mkdir -p ~/.ssh
@@ -93,22 +73,19 @@ jobs:
           chmod 600 ~/.ssh/key
           ssh-keyscan -H "${{ secrets.DEPLOY_HOST }}" >> ~/.ssh/known_hosts
 
-          echo "${{ secrets.FIREBASE_CREDENTIALS }}" | base64 -d > /tmp/firebase.json
+          printf '%s' "${{ secrets.FIREBASE_CREDENTIALS }}" > /tmp/firebase.json
+          printf '%s' "${{ secrets.MAIL_CREDS }}"           > /tmp/.creds
 
           ssh -i ~/.ssh/key \
             "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
             "mkdir -p ~/programs/etf-oglasi-server/config"
 
-          echo "${{ secrets.MAIL_CREDS }}" | base64 -d > /tmp/.creds
-
           scp -i ~/.ssh/key \
             /tmp/firebase.json \
             /tmp/.creds \
             "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}:~/programs/etf-oglasi-server/config/"
 
-
+          rm /tmp/firebase.json /tmp/.creds
-
-          rm /tmp/firebase.json
 
           ssh -i ~/.ssh/key \
             "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \