diff --git a/.gitea/workflows/container.yaml b/.gitea/workflows/container.yaml
new file mode 100644
index 0000000..e48b3fd
--- /dev/null
+++ b/.gitea/workflows/container.yaml
@@ -0,0 +1,12 @@
+name: Build Multiarch Container Image
+on: [push]
+jobs:
+  call-reusable-workflow:
+    uses: container/multiarch-build-workflow/.gitea/workflows/build.yaml@main
+    with:
+      repository: ${{ gitea.repository }}
+      ref_name: ${{ gitea.ref_name }}
+      sha: ${{ gitea.sha }}
+      registry_url: ${{ secrets.REGISTRY_URL }}
+      registry_user: ${{ secrets.REGISTRY_USER }}
+      registry_pw: ${{ secrets.REGISTRY_PW }}
diff --git a/.woodpecker.yml b/.woodpecker.yml
deleted file mode 100644
index db169b6..0000000
--- a/.woodpecker.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-pipeline:
-  publish-docker-image:
-    image: plugins/kaniko
-    settings:
-      repo: docker.io/thallian/keycloak
-      tags: latest,${CI_COMMIT_SHA:0:8},${CI_COMMIT_TAG=pre}
-      dockerfile: Dockerfile
-      username:
-        from_secret: DOCKER_USER
-      password:
-        from_secret: DOCKER_PW
\ No newline at end of file
diff --git a/Dockerfile b/Containerfile
similarity index 76%
rename from Dockerfile
rename to Containerfile
index 01b6762..b82a40f 100644
--- a/Dockerfile
+++ b/Containerfile
@@ -1,14 +1,14 @@
-FROM docker.io/alpine:3.18 AS builder
+FROM docker.io/alpine:3.19 AS builder
 
-ENV VERSION=22.0.3
-ENV SHA256_SUM=fe58029394c164042c5e50e59668eb6d0d9eaa564404522e07ac19f82b1a4d95
+ENV VERSION=23.0.2
+ENV SHA256_SUM=4711535fb8846d34388ff79e01d83b3fd1b7701c0520bc8cb59739a6bfdab612
 
 RUN wget "https://github.com/keycloak/keycloak/releases/download/$VERSION/keycloak-$VERSION.tar.gz"
 RUN echo "$SHA256_SUM  keycloak-$VERSION.tar.gz" | sha256sum -c - || exit 1
 RUN mkdir -p /keycloak
 RUN tar xvf keycloak-$VERSION.tar.gz -C /keycloak --strip 1
 
-FROM docker.io/thallian/alpine-s6:3.18-3.1.5.0
+FROM docker.io/thallian/alpine-s6:3.19-3.1.6.2
 
 ENV JAVA_OPTS_APPEND="-Djava.net.preferIPv4Stack=false -Djava.net.preferIPv6Addresses=true"
 
@@ -16,7 +16,7 @@ RUN addgroup -g 2222 keycloak
 RUN adduser -h /home/keycloak -u 2222 -D -G keycloak keycloak
 
 RUN apk add --no-cache \
-	openjdk17-jre-headless \
+	openjdk21-jre-headless \
 	bash
 
 COPY --from=builder --chown=keycloak:keycloak /keycloak /home/keycloak/server