Update alpine Docker tag to v3.22 (#862)

* Update nginx Docker tag to v1.29.1 (#906)

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | nginx   | 1.29.0 | 1.29.1 |

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

* Update alpine Docker tag to v3.22

| datasource | package | from | to   |
| ---------- | ------- | ---- | ---- |
| docker     | alpine  | 3.21 | 3.22 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

* Remove s390x

---------

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Luca Comellini <luca.com@gmail.com>

Author: renovate[bot]

.github/workflows/docker.yml

@@ -10,9 +10,6 @@ on:
     branches:
       - master
 
-env:
-  PLATFORMS: "linux/arm,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
-
 concurrency:
   group: ${{ github.ref_name }}-docker
   cancel-in-progress: true
@@ -89,7 +86,7 @@ jobs:
         with:
           pull: true
           push: true
-          platforms: "linux/arm,linux/amd64,linux/arm64,linux/ppc64le,linux/s390x"
+          platforms: "linux/arm,linux/amd64,linux/arm64,linux/ppc64le"
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           annotations: ${{ steps.meta.outputs.annotations }}

Dockerfile

@@ -35,7 +35,7 @@ RUN xx-apt install -y xx-cxx-essentials zlib1g-dev libcurl4-openssl-dev libc-are
 
 
 ### Build base image for alpine
-FROM --platform=$BUILDPLATFORM alpine:3.21 AS build-base-alpine
+FROM --platform=$BUILDPLATFORM alpine:3.22 AS build-base-alpine
 
 RUN apk add --no-cache \
     alpine-sdk \