Build docker images with ko (goreleaser) (#1716)

* make dockerfiles testing only note

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* setup ko image builder for goreleaser

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* remove release-docker

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* remove non-debug Dockerfile

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

* Comments and lint

Signed-off-by: Kristoffer Dalby <kristoffer@dalby.cc>

* build debug images based on debian

Signed-off-by: Kristoffer Dalby <kristoffer@dalby.cc>

* remove debug flag for goreleaser

Signed-off-by: Kristoffer Dalby <kristoffer@dalby.cc>

---------

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
Signed-off-by: Kristoffer Dalby <kristoffer@dalby.cc>

.github/workflows/release.yml

@@ -20,6 +20,6 @@ jobs:
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
       - name: Run goreleaser
-        run: nix develop --command -- goreleaser release --clean
+        run: nix develop --command -- "goreleaser release --clean"
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -9,7 +9,7 @@ release:
 
 builds:
   - id: headscale
-    main: ./cmd/headscale/headscale.go
+    main: ./cmd/headscale
     mod_timestamp: "{{ .CommitTimestamp }}"
     env:
       - CGO_ENABLED=0
@@ -63,7 +63,6 @@ nfpms:
     bindir: /usr/bin
     formats:
       - deb
-      # - rpm
     contents:
       - src: ./config-example.yaml
         dst: /etc/headscale/config.yaml
@@ -80,6 +79,85 @@ nfpms:
       postinstall: ./docs/packaging/postinstall.sh
       postremove: ./docs/packaging/postremove.sh
 
+kos:
+  - id: ghcr
+    repository: ghcr.io/juanfont/headscale
+    base_image: gcr.io/distroless/base-debian12
+    build: headscale
+    main: ./cmd/headscale
+    env:
+      - CGO_ENABLED=0
+    platforms:
+      - linux/amd64
+      - linux/386
+      - linux/arm64
+      - linux/arm/v7
+    tags:
+      - latest
+      - "{{ .Tag }}"
+      - "{{ .Major }}.{{ .Minor }}.{{ .Patch }}"
+      - "{{ .Major }}.{{ .Minor }}"
+      - "{{ .Major }}"
+      - "sha-{{ .ShortCommit }}"
+      - "{{ if not .Prerelease }}stable{{ end }}"
+
+  - id: dockerhub
+    build: headscale
+    base_image: gcr.io/distroless/base-debian12
+    repository: headscale/headscale
+    platforms:
+      - linux/amd64
+      - linux/386
+      - linux/arm64
+      - linux/arm/v7
+    tags:
+      - latest
+      - "{{ .Tag }}"
+      - "{{ .Major }}.{{ .Minor }}.{{ .Patch }}"
+      - "{{ .Major }}.{{ .Minor }}"
+      - "{{ .Major }}"
+      - "sha-{{ .ShortCommit }}"
+      - "{{ if not .Prerelease }}stable{{ end }}"
+
+  - id: ghcr-debug
+    repository: ghcr.io/juanfont/headscale
+    base_image: "debian:12"
+    build: headscale
+    main: ./cmd/headscale
+    env:
+      - CGO_ENABLED=0
+    platforms:
+      - linux/amd64
+      - linux/386
+      - linux/arm64
+      - linux/arm/v7
+    tags:
+      - latest
+      - "{{ .Tag }}-debug"
+      - "{{ .Major }}.{{ .Minor }}.{{ .Patch }}-debug"
+      - "{{ .Major }}.{{ .Minor }}-debug"
+      - "{{ .Major }}-debug"
+      - "sha-{{ .ShortCommit }}-debug"
+      - "{{ if not .Prerelease }}stable{{ end }}-debug"
+
+  - id: dockerhub-debug
+    build: headscale
+    base_image: "debian:12"
+    repository: headscale/headscale
+    platforms:
+      - linux/amd64
+      - linux/386
+      - linux/arm64
+      - linux/arm/v7
+    tags:
+      - latest
+      - "{{ .Tag }}-debug"
+      - "{{ .Major }}.{{ .Minor }}.{{ .Patch }}-debug"
+      - "{{ .Major }}.{{ .Minor }}-debug"
+      - "{{ .Major }}-debug"
+      - "sha-{{ .ShortCommit }}-debug"
+      - "{{ if not .Prerelease }}stable{{ end }}-debug"
+
 checksum:
   name_template: "checksums.txt"
 snapshot:

Dockerfile.debug

@@ -1,4 +1,7 @@
-# Builder image
+# This Dockerfile and the images produced are for testing headscale,
+# and are in no way endorsed by Headscale's maintainers as an
+# official nor supported release or distribution.
+
 FROM docker.io/golang:1.22-bookworm AS build
 ARG VERSION=dev
 ENV GOPATH /go

Dockerfile.tailscale-HEAD

@@ -1,3 +1,7 @@
+# This Dockerfile and the images produced are for testing headscale,
+# and are in no way endorsed by Headscale's maintainers as an
+# official nor supported release or distribution.
+
 FROM golang:latest
 
 RUN apt-get update \

flake.nix

@@ -75,6 +75,7 @@
           gotestsum
           gotests
           ksh
+          ko
 
           # 'dot' is needed for pprof graphs
           # go tool pprof -http=: <source>