diff --git a/.github/workflows/build_container_image.yml b/.github/workflows/build_container_image.yml
index 557e234..8d9b671 100644
--- a/.github/workflows/build_container_image.yml
+++ b/.github/workflows/build_container_image.yml
@@ -21,26 +21,6 @@ jobs:
       - uses: actions/checkout@v4
       - name: Build the Docker image with latest tag
         run: |
-          echo "${{ secrets.DOCKER_HUB_TOKEN }}" | docker login -u "${{ secrets.DOCKER_HUB_USERNAME }}" --password-stdin docker.io
           docker build . --file Dockerfiles/Dockerfile_backend --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:$GITHUB_SHA --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:${{ steps.extract_branch.outputs.branch }} --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:latest
           docker build . --file Dockerfiles/Dockerfile_frontend --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx:$GITHUB_SHA --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx:${{ steps.extract_branch.outputs.branch }} --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx:latest
-          docker push docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }} --all-tags
-          docker push docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx --all-tags
           echo docker api-explorer-ii with latest tag done
-
-      - uses: sigstore/cosign-installer@main
-      - name: Write signing key to disk (only needed for `cosign sign --key`)
-        run: echo "${{ secrets.COSIGN_PRIVATE_KEY }}" > cosign.key
-      - name: Sign container image with annotations from our environment
-        env:
-          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
-        run: |
-          cosign sign -y --key cosign.key \
-            -a "repo=${{ github.repository }}" \
-            -a "workflow=${{ github.workflow }}" \
-            -a "ref=${{ github.sha }}" \
-            docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:${{ steps.extract_branch.outputs.branch }}
-
-
-
-
diff --git a/.github/workflows/build_container_image_not_develop.yml b/.github/workflows/build_container_image_not_develop.yml
deleted file mode 100644
index 45c77c2..0000000
--- a/.github/workflows/build_container_image_not_develop.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: build and publish container
-
-on:
-  push:
-    branches:
-    - '*'
-    - '!develop'
-env:
-  DOCKER_HUB_ORGANIZATION: ${{ vars.DOCKER_HUB_ORGANIZATION }}
-  DOCKER_HUB_REPOSITORY: api-explorer-ii
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Extract branch name
-        shell: bash
-        run: echo "branch=$(echo ${GITHUB_REF#refs/heads/})" >>$GITHUB_OUTPUT
-        id: extract_branch
-
-      - uses: actions/checkout@v4
-      - name: Build the Docker image without latest tag
-        run: |
-          echo "${{ secrets.DOCKER_HUB_TOKEN }}" | docker login -u "${{ secrets.DOCKER_HUB_USERNAME }}" --password-stdin docker.io
-          docker build . --file Dockerfiles/Dockerfile_backend --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:$GITHUB_SHA --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:${{ steps.extract_branch.outputs.branch }}
-          docker build . --file Dockerfiles/Dockerfile_frontend --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx:$GITHUB_SHA --tag docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx:${{ steps.extract_branch.outputs.branch }}
-          docker push docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }} --all-tags
-          docker push docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}-nginx --all-tags
-          echo docker api-explorer-ii without latest tag done
-
-      - uses: sigstore/cosign-installer@main
-      - name: Write signing key to disk (only needed for `cosign sign --key`)
-        run: echo "${{ secrets.COSIGN_PRIVATE_KEY }}" > cosign.key
-      - name: Sign container image with annotations from our environment
-        env:
-          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
-        run: |
-          cosign sign -y --key cosign.key \
-            -a "repo=${{ github.repository }}" \
-            -a "workflow=${{ github.workflow }}" \
-            -a "ref=${{ github.sha }}" \
-            docker.io/${{ env.DOCKER_HUB_ORGANIZATION }}/${{ env.DOCKER_HUB_REPOSITORY }}:${{ steps.extract_branch.outputs.branch }}
-
-
-
-