[chore] add docker build and push

.github/workflows/ci.yaml

@@ -110,6 +110,12 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
+      - name: Login to Docker Hub
+        uses: docker/login-action@v4
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Package
         run: make package
 
@@ -118,6 +124,9 @@ jobs:
         env:
           RELEASE_TAG: ${{ steps.github_tag.outputs.tag }}
 
+      - name: Build and push docker image
+        run: make docker-push
+
       - name: Release
         uses: softprops/action-gh-release@153bb8e04406b158c6c84fc1615b65b24149a1fe # v2.6.1
         with:

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.26.1 as builder
+FROM golang:1.26.1 AS builder
 
 COPY . .
 

Makefile

@@ -42,6 +42,13 @@ chlog-update:
 .PHONY: package
 package: windows_amd64_build windows_arm64_build linux_amd64_build linux_arm64_build darwin_amd64_build darwin_arm64_build linux_ppc64le_build aix_ppc64_build
 
+TAG := $(shell git describe --tags --exact-match 2> /dev/null \
+         || git symbolic-ref -q --short HEAD \
+         || git rev-parse --short HEAD)
 .PHONY: docker
 docker:
-	docker build --platform linux/amd64 -t ghcr.io/splunk/tarunner:main .
+	docker build --platform linux/amd64 -t docker.io/library/splunk/tarunner:$(TAG) .
+
+.PHONY: docker-push
+docker-push: docker
+	docker push docker.io/library/splunk/tarunner:$(TAG)