diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index ae49c71..91017fa 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -8,48 +8,15 @@ on:
             - main
 
 jobs:
-    test:
-        runs-on: ubuntu-latest
+    build_and_publish:
+        runs-on: docker
+        container:
+            image: ghcr.io/catthehacker/ubuntu:runner-latest
         steps:
             - uses: actions/checkout@v4
             - uses: actions/setup-node@v4
-            - uses: bahmutov/npm-install@v1
+            - run: npm install
+            - run: sudo apt update && sudo apt install -y maven
             - run: npm run build-keycloak-theme
-
-    check_if_version_upgraded:
-        name: Check if version upgrade
-        if: github.event_name == 'push'
-        runs-on: ubuntu-latest
-        needs: test
-        outputs:
-            from_version: ${{ steps.step1.outputs.from_version }}
-            to_version: ${{ steps.step1.outputs.to_version }}
-            is_upgraded_version: ${{ steps.step1.outputs.is_upgraded_version }}
-            is_pre_release: ${{steps.step1.outputs.is_pre_release }}
-        steps:
-            - uses: garronej/ts-ci@v2.1.5
-              id: step1
-              with:
-                  action_name: is_package_json_version_upgraded
-                  branch: ${{ github.head_ref || github.ref }}
-
-    create_github_release:
-        runs-on: ubuntu-latest
-        needs: check_if_version_upgraded
-        if: needs.check_if_version_upgraded.outputs.is_upgraded_version == 'true'
-        steps:
-            - uses: actions/checkout@v4
-            - uses: actions/setup-node@v4
-            - uses: bahmutov/npm-install@v1
-            - run: npm run build-keycloak-theme
-            - uses: softprops/action-gh-release@v2
-              with:
-                  name: Release v${{ needs.check_if_version_upgraded.outputs.to_version }}
-                  tag_name: v${{ needs.check_if_version_upgraded.outputs.to_version }}
-                  target_commitish: ${{ github.head_ref || github.ref }}
-                  generate_release_notes: true
-                  draft: false
-                  prerelease: ${{ needs.check_if_version_upgraded.outputs.is_pre_release == 'true' }}
-                  files: dist_keycloak/keycloak-theme-*.jar
-              env:
-                  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+            - run: curl --user "irl:$FORGEJO_TOKEN" -X DELETE "$FORGEJO_SERVER_URL/api/packages/sr2/generic/keycloak-theme/latest"
+            - run: curl --user "irl:$FORGEJO_TOKEN" -X PUT --upload-file dist_keycloak/keycloak-theme-for-kc-all-other-versions.jar $FORGEJO_SERVER_URL/api/packages/sr2/generic/keycloak-theme/latest/sr2-theme.jar
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..e69de29