diff --git a/.gitea/workflows/release.yml b/.gitea/workflows/release.yml
new file mode 100644
index 0000000..b7c11d2
--- /dev/null
+++ b/.gitea/workflows/release.yml
@@ -0,0 +1,39 @@
+name: Build container image
+
+on:
+  push:
+    branches: [ master ]
+
+env:
+  USER: chris
+  PASS: q',\H(Od:G3).Xv<#!5P
+
+jobs:
+  Build-and-release-image:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Log into registry
+        uses: docker/login-action@v3
+        with:
+          registry: https://cs-git.ddnss.de
+          username: ${{ env.USER }}
+          password: ${{ env.PASS }}
+
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: cs-git.ddnss.de/arbeitsschutz-ulm/website
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        env:
+          ACTIONS_RUNTIME_TOKEN: ''
+        with:
+          tags: cs-git.ddnss.de/arbeitsschutz-ulm/website:master
+          push: true
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index e48c3b3..c570423 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM httpd:alpine3.19
+FROM httpd:alpine3.21
 
 RUN sed -ri -e 's!DirectoryIndex index.html!DirectoryIndex index.htm!g' /usr/local/apache2/conf/httpd.conf