Push Dockerfile to registry using go-makefile-maker

.github/renovate.json

@@ -1,4 +1,5 @@
 {
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:recommended",
     "default:pinDigestsDisabled",

.github/workflows/container-registry-ghcr.yaml

@@ -0,0 +1,46 @@
+################################################################################
+# This file is AUTOGENERATED with <https://github.com/sapcc/go-makefile-maker> #
+# Edit Makefile.maker.yaml instead.                                            #
+################################################################################
+
+name: Container Registry GHCR
+"on":
+  push:
+    tags:
+      - '*'
+permissions:
+  contents: read
+  packages: write
+jobs:
+  build-and-push-image:
+    name: Push container to ghcr.io
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v4
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: ghcr.io
+          username: ${{ github.actor }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            # https://github.com/docker/metadata-action#typeedge
+            type=edge
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}

Makefile

@@ -1,3 +1,8 @@
+################################################################################
+# This file is AUTOGENERATED with <https://github.com/sapcc/go-makefile-maker> #
+# Edit Makefile.maker.yaml instead.                                            #
+################################################################################
+
 MAKEFLAGS=--warn-undefined-variables
 # /bin/sh is dash on Debian which does not support all features of ash/bash
 # to fix that we use /bin/bash only on Debian to not break Alpine
@@ -7,9 +12,17 @@ ifneq (,$(wildcard /etc/os-release)) # check file existence
 	endif
 endif
 
+default: FORCE
+	@echo 'There is nothing to build, use `make check` for running the test suite or `make help` for a list of available targets.'
+
 prepare-static-check: FORCE
 	@if ! hash addlicense 2>/dev/null; then  printf "\e[1;36m>> Installing addlicense...\e[0m\n";  go install github.com/google/addlicense@latest; fi
 
+# to get around weird Makefile syntax restrictions, we need variables containing nothing, a space and comma
+null :=
+space := $(null) $(null)
+comma := ,
+
 license-headers: FORCE prepare-static-check
 	@printf "\e[1;36m>> addlicense\e[0m\n"
 	@addlicense -c "SAP SE" -- $(shell find -name *.rs)
@@ -21,4 +34,22 @@ check-license-headers: FORCE prepare-static-check
 clean: FORCE
 	git clean -dxf build
 
+vars: FORCE
+help: FORCE
+	@printf "\n"
+	@printf "\e[1mUsage:\e[0m\n"
+	@printf "  make \e[36m<target>\e[0m\n"
+	@printf "\n"
+	@printf "\e[1mGeneral\e[0m\n"
+	@printf "  \e[36mvars\e[0m                   Display values of relevant Makefile variables.\n"
+	@printf "  \e[36mhelp\e[0m                   Display this help.\n"
+	@printf "\n"
+	@printf "\e[1mPrepare\e[0m\n"
+	@printf "  \e[36mprepare-static-check\e[0m   Install any tools required by static-check. This is used in CI before dropping privileges, you should probably install all the tools using your package manager\n"
+	@printf "\n"
+	@printf "\e[1mDevelopment\e[0m\n"
+	@printf "  \e[36mlicense-headers\e[0m        Add license headers to all non-vendored source code files.\n"
+	@printf "  \e[36mcheck-license-headers\e[0m  Check license headers in all non-vendored .go files.\n"
+	@printf "  \e[36mclean\e[0m                  Run git clean.\n"
+
 .PHONY: FORCE

Makefile.maker.yaml

@@ -0,0 +1,16 @@
+# Configuration file for <https://github.com/sapcc/go-makefile-maker>
+
+metadata:
+  url: https://github.com/sapcc/pear-reviewer
+
+githubWorkflow:
+  global:
+    defaultBranch: master
+  pushContainerToGhcr:
+    enabled: true
+    tagStrategy: [ edge ]
+
+renovate:
+  enabled: true
+  assignees:
+    - SuperSandro2000