.github/workflows/container-image.yml

@@ -13,13 +13,13 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - uses: docker/setup-qemu-action@v2.1.0
-    - uses: docker/setup-buildx-action@v2.2.1
+    - uses: docker/setup-buildx-action@v2.5.0
     # > By default, this action uses the Git context so you don't need to use
     # > the actions/checkout action to checkout the repository because this
     # > will be done directly by buildkit. [...]
     # > any file mutation in the steps that precede [...] will be ignored
     # https://github.com/marketplace/actions/build-and-push-docker-images
-    - uses: docker/build-push-action@v3.2.0
+    - uses: docker/build-push-action@v4.0.0
       with:
         platforms: |
           linux/amd64

Dockerfile

@@ -1,6 +1,6 @@
-FROM docker.io/alpine:3.17.0
+FROM docker.io/alpine:3.17.2
 
-ARG DOVECOT_PACKAGE_VERSION=2.3.20-r6
+ARG DOVECOT_PACKAGE_VERSION=2.3.20-r7
 ARG SOCAT_PACKAGE_VERSION=1.7.4.4-r0
 RUN apk add --no-cache \
         dovecot-lmtpd=$DOVECOT_PACKAGE_VERSION \