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: ${{ secrets.REGISTRY_PW }}
diff --git a/.woodpecker.yml b/.woodpecker.yml
deleted file mode 100644
index 14c7dc0..0000000
--- a/.woodpecker.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-pipeline:
-  publish-docker-image:
-    image: plugins/kaniko
-    settings:
-      repo: docker.io/thallian/roundcube
-      tags: latest,${CI_COMMIT_SHA:0:8},${CI_COMMIT_TAG=pre}
-      dockerfile: Dockerfile
-      username:
-        from_secret: DOCKER_USER
-      password:
-        from_secret: DOCKER_PW
\ No newline at end of file
diff --git a/Containerfile b/Containerfile
new file mode 100644
index 0000000..ceaac4e
--- /dev/null
+++ b/Containerfile
@@ -0,0 +1,74 @@
+FROM docker.io/alpine:3.19 AS builder
+
+RUN apk add --no-cache \
+  php83 \
+  php83-phar \
+  php83-mbstring \
+  php83-openssl \
+  php83-ctype \
+  php83-gd \
+  php83-dom \
+  php83-xml \
+  php83-ldap \
+  php83-xmlreader \
+  php83-xmlwriter
+
+ENV COMPOSER_VERSION=2.6.6
+ENV COMPOSER_SHA256_SUM=72600201c73c7c4b218f1c0511b36d8537963e36aafa244757f52309f885b314
+RUN wget https://getcomposer.org/download/$COMPOSER_VERSION/composer.phar
+RUN echo "$COMPOSER_SHA256_SUM  composer.phar" | sha256sum -c - || exit 1
+RUN mv composer.phar /usr/bin/composer
+RUN chmod +x /usr/bin/composer
+
+ENV VERSION=1.6.5
+ENV SHA256_SUM=164b72cb78de89d104741ee9090f4024e63bfada43949034844365f3fa70b5fd
+RUN wget https://github.com/roundcube/roundcubemail/releases/download/$VERSION/roundcubemail-$VERSION-complete.tar.gz
+RUN echo "$SHA256_SUM  roundcubemail-$VERSION-complete.tar.gz" | sha256sum -c - || exit 1
+RUN mkdir -p /var/lib/roundcube
+RUN tar xzf roundcubemail-$VERSION-complete.tar.gz -C /var/lib/roundcube --strip 1
+
+FROM docker.io/thallian/php8-fpm:3.19-8.3
+
+RUN apk add --no-cache \
+  openssl \
+  tar \
+  nginx \
+  postgresql-client \
+  aspell \
+  ca-certificates \
+  php83 \
+  php83-imap \
+  php83-dom \
+  php83-json \
+  php83-xml \
+  php83-session \
+  php83-pdo \
+  php83-pdo_pgsql \
+  php83-sockets \
+  php83-exif \
+  php83-iconv \
+  php83-openssl \
+  php83-mbstring \
+  php83-sockets \
+  php83-zip \
+  php83-pspell \
+  php83-pecl-apcu \
+  php83-gd \
+  php83-ctype \
+  php83-xmlreader \
+  php83-xmlwriter \
+  php83-tokenizer \
+  php83-curl \
+  php83-simplexml \
+  php83-xml \
+  php83-dom \
+  php83-intl
+
+COPY --from=builder --chown=nginx:nginx /var/lib/roundcube /var/lib/roundcube
+
+ADD /rootfs /
+
+EXPOSE 8080
+
+ENV FPMUSER nginx
+ENV FPMGROUP nginx
diff --git a/Dockerfile b/Dockerfile
deleted file mode 100644
index 978a149..0000000
--- a/Dockerfile
+++ /dev/null
@@ -1,74 +0,0 @@
-FROM docker.io/alpine:3.18 AS builder
-
-RUN apk add --no-cache \
-  php82 \
-  php82-phar \
-  php82-mbstring \
-  php82-openssl \
-  php82-ctype \
-  php82-gd \
-  php82-dom \
-  php82-xml \
-  php82-ldap \
-  php82-xmlreader \
-  php82-xmlwriter
-
-ENV COMPOSER_VERSION=2.6.3
-ENV COMPOSER_SHA256_SUM=e58a390cac0df45ccf5a3d95ae94fa239eded8b7907fa2c8f752f020304fc9b1
-RUN wget https://getcomposer.org/download/$COMPOSER_VERSION/composer.phar
-RUN echo "$COMPOSER_SHA256_SUM  composer.phar" | sha256sum -c - || exit 1
-RUN mv composer.phar /usr/bin/composer
-RUN chmod +x /usr/bin/composer
-
-ENV VERSION=1.6.3
-ENV SHA256_SUM=5e60ccd50f62fb00c43d335ec08a9bdafbf2bdd02552256cc4009908b39ad98f
-RUN wget https://github.com/roundcube/roundcubemail/releases/download/$VERSION/roundcubemail-$VERSION-complete.tar.gz
-RUN echo "$SHA256_SUM  roundcubemail-$VERSION-complete.tar.gz" | sha256sum -c - || exit 1
-RUN mkdir -p /var/lib/roundcube
-RUN tar xzf roundcubemail-$VERSION-complete.tar.gz -C /var/lib/roundcube --strip 1
-
-FROM docker.io/thallian/php8-fpm:3.18-8.2
-
-RUN apk add --no-cache \
-  openssl \
-  tar \
-  nginx \
-  postgresql-client \
-  aspell \
-  ca-certificates \
-  php82 \
-  php82-imap \
-  php82-dom \
-  php82-json \
-  php82-xml \
-  php82-session \
-  php82-pdo \
-  php82-pdo_pgsql \
-  php82-sockets \
-  php82-exif \
-  php82-iconv \
-  php82-openssl \
-  php82-mbstring \
-  php82-sockets \
-  php82-zip \
-  php82-pspell \
-  php82-pecl-apcu \
-  php82-gd \
-  php82-ctype \
-  php82-xmlreader \
-  php82-xmlwriter \
-  php82-tokenizer \
-  php82-curl \
-  php82-simplexml \
-  php82-xml \
-  php82-dom \
-  php82-intl
-
-COPY --from=builder --chown=nginx:nginx /var/lib/roundcube /var/lib/roundcube
-
-ADD /rootfs /
-
-EXPOSE 8080
-
-ENV FPMUSER nginx
-ENV FPMGROUP nginx