diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..2cf07b5
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,21 @@
+image: egon0/docker-with-buildx-and-git:latest
+
+variables:
+  DOCKER_HOST: tcp://docker:2375/
+  DOCKER_DRIVER: overlay2
+  DOCKER_TLS_CERTDIR: ""
+
+services:
+  - docker:dind
+
+build:
+  stage: build
+  variables:
+    IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
+    D_IMAGE_TAG: egon0/prosody-alpine-ldap-multiarch:$CI_COMMIT_REF_SLUG
+    D_LATEST_TAG: egon0/prosody-alpine-ldap-multiarch:latest
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
+    - docker login -u $DOCKER_LOGIN -p $DOCKER_PASSWORD
+    - docker buildx create --use --name A$CI_COMMIT_SHORT_SHA
+    - docker buildx build --platform $BUILD_PLATFORMS --push -t $IMAGE_TAG -t $CI_REGISTRY_IMAGE:latest -t $D_IMAGE_TAG -t $D_LATEST_TAG .
diff --git a/Dockerfile b/Dockerfile
index 5f813cf..e9dea06 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,5 @@
-FROM alpine:3.10.0
-MAINTAINER Jochen Schalanda <jochen+docker@schalanda.name>
-
-ENV PROSODY_VERSION 0.11.2-r0
+FROM alpine:3.16
+MAINTAINER Micha Gläß-Stöcker <micha+docker@glaess.cc>
 
 # Build-time metadata as defined at http://label-schema.org
 ARG BUILD_DATE
@@ -13,13 +11,12 @@ LABEL org.label-schema.build-date=$BUILD_DATE \
       org.label-schema.description="Prosody IM Docker image based on Alpine Linux" \
       org.label-schema.url="https://prosody.im/" \
       org.label-schema.vcs-ref=$VCS_REF \
-      org.label-schema.vcs-url="https://github.com/joschi/docker-prosody-alpine" \
       org.label-schema.version=$VERSION \
       org.label-schema.schema-version="1.0" \
       com.microscaling.docker.dockerfile="/Dockerfile" \
       com.microscaling.license="MIT"
 
-RUN apk add --no-cache bash "prosody=${PROSODY_VERSION}"
+RUN apk add --no-cache bash "prosody" lua5.2-ldap
 RUN mkdir -p /etc/prosody/conf.d /usr/local/lib/prosody/modules
 
 COPY prosody.cfg.lua /etc/prosody/prosody.cfg.lua
diff --git a/renovate.json b/renovate.json
new file mode 100644
index 0000000..7190a60
--- /dev/null
+++ b/renovate.json
@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}