Use builtin TARGETARCH arg

.drone.yml

@@ -1,70 +0,0 @@
----
-kind: pipeline
-name: default
-
-steps:
-  - name: docker amd64
-    image: plugins/docker
-    settings:
-      repo: eumau/debian
-      auto_tag: true
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-      platform: linux/amd64
-
-  - name: docker arm64
-    image: plugins/docker
-    settings:
-      repo: eumau/debian
-      auto_tag: true
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-      platform: linux/arm64
-
-trigger:
-  event:
-    exclude:
-    - tag
-
----
-kind: pipeline
-name: tags
-
-steps:
-  - name: docker amd64
-    image: plugins/docker
-    settings:
-      repo: eumau/debian
-      auto_tag: false
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-      tags:
-        - ${DRONE_TAG}
-      build_args:
-        - DEBIAN_VERSION=${DRONE_TAG}
-      platform: linux/amd64
-
-  - name: docker arm64
-    image: plugins/docker
-    settings:
-      repo: eumau/debian
-      auto_tag: false
-      username:
-        from_secret: dockerhub_username
-      password:
-        from_secret: dockerhub_password
-      tags:
-        - ${DRONE_TAG}
-      build_args:
-        - DEBIAN_VERSION=${DRONE_TAG}
-      platform: linux/arm64
-
-trigger:
-  event:
-    - tag

.gitea/workflows/build.yml

@@ -0,0 +1,43 @@
+name: Build Docker images
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        repo:
+          - eumau/debian
+        version:
+          - buster
+          - bullseye
+          - bookworm
+        variant:
+          - ""
+          - -slim
+    steps:
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push image
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: ${{ matrix.repo }}:${{ matrix.version }}${{ matrix.variant }}
+          platforms: linux/amd64,linux/arm64

Dockerfile

@@ -1,7 +1,16 @@
 ARG DEBIAN_VERSION=bullseye-slim
+# FROM golang:${DEBIAN_VERSION%-*} as confd
+# RUN apt-get update \
+#  && apt-get install -y \
+#     build-essential \
+#  && git clone https://github.com/kelseyhightower/confd.git \
+#  && cd confd \
+#  && make
+
 FROM debian:${DEBIAN_VERSION}
-ARG CONFD_VERSION=0.16.0
-ADD https://github.com/kelseyhightower/confd/releases/download/v${CONFD_VERSION}/confd-${CONFD_VERSION}-linux-amd64 /usr/local/bin/confd
+# COPY --from=confd /go/confd/bin/confd /usr/local/bin/confd
+ARG TARGETARCH
+ADD https://github.com/kelseyhightower/confd/releases/download/v0.16.0/confd-0.16.0-linux-${TARGETARCH} /usr/local/bin/confd
 RUN mkdir -p /start.d \
   && printf '#!/bin/bash\nset -e\n/usr/local/bin/confd -onetime -backend env\nrun-parts -v /start.d\nexec ${@}\n' > /entrypoint.sh \
   && mkdir -p /etc/confd/conf.d /etc/confd/templates \