feat: add Docker support

.dockerignore

@@ -0,0 +1,5 @@
+*
+!cmd/
+!go.mod
+!go.sum
+!main.go

.github/workflows/flow-pr.yml

@@ -4,7 +4,7 @@ name: PR Flow
 on:
   pull_request:
     branches:
-      - master
+      - main
     paths:
       - "main.go"
       - "go.mod"

.goreleaser.yml

@@ -1,5 +1,4 @@
-# Make sure to check the documentation at https://goreleaser.com
----
+project_name: cloudflare-dynamic-dns
 before:
   hooks:
     - go mod tidy
@@ -31,7 +30,7 @@ archives:
       - README.md
       - systemd/*
 checksum:
-  name_template: "checksums.txt"
+  name_template: checksums.txt
 snapshot:
   name_template: "{{ incpatch .Version }}-next"
 changelog:
@@ -40,3 +39,197 @@ changelog:
     exclude:
       - "^docs:"
       - "^test:"
+dockers:
+  - goos: linux
+    goarch: amd64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-amd64
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/amd64
+  - goos: linux
+    goarch: "386"
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-386
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/386
+  - goos: linux
+    goarch: arm64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm64
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/arm64
+  - goos: linux
+    goarch: arm
+    goarm: "6"
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm-6
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/arm/6
+  - goos: linux
+    goarch: arm
+    goarm: "7"
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm-7
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/arm/7
+  - goos: linux
+    goarch: mips
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/mips
+  - goos: linux
+    goarch: mipsle
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mipsle
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/mipsle
+  - goos: linux
+    goarch: mips64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips64
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/mips64
+  - goos: linux
+    goarch: mips64le
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips64le
+    use: buildx
+    build_flag_templates:
+      - --platform=linux/mips64le
+  - goos: darwin
+    goarch: amd64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-darwin-amd64
+    use: buildx
+    build_flag_templates:
+      - --platform=darwin/amd64
+  - goos: darwin
+    goarch: arm64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-darwin-arm64
+    use: buildx
+    build_flag_templates:
+      - --platform=darwin/arm64
+  - goos: windows
+    goarch: amd64
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-windows-amd64
+    use: buildx
+    build_flag_templates:
+      - --platform=windows/amd64
+  - goos: windows
+    goarch: "386"
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-windows-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-windows-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-windows-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-windows-386
+    use: buildx
+    build_flag_templates:
+      - --platform=windows/386
+docker_manifests:
+  - name_template: ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Tag }}-windows-386
+  - name_template: ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}-windows-386
+  - name_template: ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:{{ .Major }}.{{ .Minor }}-windows-386
+  - name_template: ghcr.io/zebradil/cloudflare-dynamic-dns:latest
+    image_templates:
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-386
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm-6
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-arm-7
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mipsle
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-linux-mips64le
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-darwin-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-darwin-arm64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-windows-amd64
+      - ghcr.io/zebradil/cloudflare-dynamic-dns:latest-windows-386

.goreleaser.ytt.yml

@@ -0,0 +1,98 @@
+#@ project_name = 'cloudflare-dynamic-dns'
+#@ targets = [
+#@   ("linux", "amd64", ""),
+#@   ("linux", "386", ""),
+#@   ("linux", "arm64", ""),
+#@   ("linux", "arm", "6"),
+#@   ("linux", "arm", "7"),
+#@   ("linux", "mips", ""),
+#@   ("linux", "mipsle", ""),
+#@   ("linux", "mips64", ""),
+#@   ("linux", "mips64le", ""),
+#@   ("darwin", "amd64", ""),
+#@   ("darwin", "arm64", ""),
+#@   ("windows", "amd64", ""),
+#@   ("windows", "386", ""),
+#@ ]
+#@ versions = [
+#@   '{{ .Tag }}',
+#@   '{{ .Major }}',
+#@   '{{ .Major }}.{{ .Minor }}',
+#@   'latest',
+#@ ]
+
+#@ base_image = 'ghcr.io/zebradil/' + project_name
+
+#@ def make_target(os, arch, arm):
+#@   target = os + "_" + arch
+#@   if arm:
+#@     target += "_" + arm
+#@   end
+#@   return target
+#@ end
+
+#@ def make_image(version, os, arch, arm):
+#@   image = base_image + ":" + version + "-" + os + "-" + arch
+#@   if arm:
+#@     image += "-" + arm
+#@   end
+#@   return image
+#@ end
+
+#@ def make_platform(os, arch, arm):
+#@   platform = "--platform=" + os + "/" + arch
+#@   if arm:
+#@     platform += "/" + arm
+#@   end
+#@   return platform
+#@ end
+
+---
+project_name: #@ project_name
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - binary: #@ project_name
+    env:
+      - CGO_ENABLED=0
+    targets:
+      #@ for/end os, arch, arm in targets:
+      -  #@ make_target(os, arch, arm)
+archives:
+  - name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
+    format_overrides:
+      - goos: windows
+        format: zip
+    files:
+      - LICENSE
+      - README.md
+      - systemd/*
+checksum:
+  name_template: "checksums.txt"
+snapshot:
+  name_template: "{{ incpatch .Version }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+dockers:
+  #@ for/end os, arch, arm in targets:
+  - goos: #@ os
+    goarch: #@ arch
+    #@ if/end arm:
+    goarm: #@ arm
+    image_templates:
+      #@ for/end version in versions:
+      -  #@ make_image(version, os, arch, arm)
+    use: buildx
+    build_flag_templates:
+      -  #@ make_platform(os, arch, arm)
+docker_manifests:
+  #@ for/end version in versions:
+  - name_template: #@ base_image + ":" + version
+    image_templates:
+      #@ for/end os, arch, arm in targets:
+      -  #@ make_image(version, os, arch, arm)

Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY . /
+ENTRYPOINT ["/cloudflare-dynamic-dns"]

README.md

@@ -148,12 +148,20 @@ Use the following Taskfile tasks to build the application:
 
 ```shell
 # Build with go for the current platform
-task build
+go build -o cloudflare-dynamic-dns main.go
 
 # Build with GoReleaser for all configured platforms
-task goreleaser:build
+task build
+
+# Use Docker
+docker build -t cloudflare-dynamic-dns -f dev.Dockerfile .
 ```
 
+### GeReleaser
+
+Do not change `.goreleaser.yml` manually, do changes in `.goreleaser.ytt.yml` and run
+`task misc:build:goreleaser-config` instead (requires [`ytt`](https://carvel.dev/ytt/) installed).
+
 ## License
 
 MIT

Taskfile.yaml

@@ -45,3 +45,8 @@ tasks:
       - go:build
     cmds:
       - bin/{{.BIN_NAME}} {{.CLI_ARGS}}
+
+  misc:build:goreleaser-config:
+    desc: Renders .gorleaser.yml from .goreleaser.ytt.yml
+    cmds:
+      - ytt -f .goreleaser.ytt.yml > .goreleaser.yml

dev.Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.21
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+
+RUN go mod download
+
+COPY . .
+RUN go build -o bin/cloudflare-dynamic-dns main.go
+
+ENTRYPOINT ["/app/bin/cloudflare-dynamic-dns"]