use newest alpine

.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 }}

.woodpecker.yml

@@ -1,11 +0,0 @@
-pipeline:
-  publish-docker-image:
-    image: plugins/kaniko
-    settings:
-      repo: docker.io/thallian/postfix
-      tags: latest,${CI_COMMIT_SHA:0:8},${CI_COMMIT_TAG=pre}
-      dockerfile: Dockerfile
-      username:
-        from_secret: DOCKER_USER
-      password:
-        from_secret: DOCKER_PW

Containerfile

@@ -1,4 +1,4 @@
-FROM docker.io/thallian/confd-env:3.18-3.1.5.0
+FROM docker.io/thallian/confd-env:3.19-3.1.6.2
 
 RUN apk add --no-cache \
     postfix \