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: ${{ secrets.REGISTRY_PW }}
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index b8a93ab..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-variables:
-  CONTAINER_NAME: thallian/koreader-sync
-
-build:
-  stage: build
-  image:
-    name: gcr.io/kaniko-project/executor:debug
-    entrypoint: [""]
-  script:
-    - mkdir -p /kaniko/.docker
-    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$(printf "%s:%s" "$CI_REGISTRY_USER" "$CI_REGISTRY_PASSWORD" | base64 | tr -d '\n')\"}}}" > /kaniko/.docker/config.json
-    - >-
-      /kaniko/executor
-      --context "$CI_PROJECT_DIR"
-      --dockerfile "$CI_PROJECT_DIR/Dockerfile"
-      --destination "$CONTAINER_NAME:$CI_COMMIT_SHA"
-      --destination "$CONTAINER_NAME:$CI_COMMIT_REF_NAME"
-      --destination "$CONTAINER_NAME:latest"
diff --git a/Dockerfile b/Containerfile
similarity index 87%
rename from Dockerfile
rename to Containerfile
index a794cf7..b67fce1 100644
--- a/Dockerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.16 as builder
+FROM docker.io/alpine:3.19 as builder
 
 RUN apk --no-cache add \
     bash \
@@ -21,12 +21,12 @@ RUN apk --no-cache add \
     pcre-dev \
     zlib-dev \
     patch
-    
+
 RUN ln -s /usr/bin/aclocal-1.16 /usr/bin/aclocal-1.15
 RUN ln -s /usr/bin/automake-1.16 /usr/bin/automake-1.15
 
-ENV RESTY_VERSION=1.21.4.1
-ENV RESTY_SHA256_SUM=0c5093b64f7821e85065c99e5d4e6cc31820cfd7f37b9a0dec84209d87a2af99
+ENV RESTY_VERSION=1.21.4.3
+ENV RESTY_SHA256_SUM=33a84c63cfd9e46b0e5c62eb2ddc7b8068bda2e1686314343b89fc3ffd24cdd3
 
 RUN wget https://openresty.org/download/openresty-$RESTY_VERSION.tar.gz
 RUN echo "$RESTY_SHA256_SUM openresty-$RESTY_VERSION.tar.gz" | sha256sum -c - || exit 1
@@ -47,11 +47,11 @@ RUN luarocks-5.1 make
 
 WORKDIR /
 RUN git clone https://github.com/koreader/koreader-sync-server.git
-ENV SYNC_VERSION=d7d1ebff54240cfbade96a81f2971b6ad0afa33f
+ENV SYNC_VERSION=14c64347627d07cf6e72552705bf1642a39a8908
 WORKDIR /koreader-sync-server
 RUN git checkout "$SYNC_VERSION"
 
-FROM docker.io/thallian/confd-env:3.16
+FROM docker.io/thallian/confd-env:3.19-3.1.6.2
 
 RUN addgroup syncer
 RUN adduser -h /app -D -G syncer syncer