新增 Dockerfile、.dockerignore 和 .goreleaser.yaml 文件，配置 Docker 镜像构建和发布流程，同时更新 GitHub Actions 工作流以支持自动化构建和发布。

Author: lovebai

.dockerignore

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+.git
+.gitignore
+README.md
+Dockerfile
+.dockerignore
+*.md
+.github
+.idea
+.vscode 

.github/workflows/action.yml

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+name: Releaser And Build Docker Image
+
+on:
+  push:
+    tags:
+      - '*'
+      
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  releaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Tag
+        run: git fetch --force --tags
+      - name: Setup Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: stable
+      - name: Release
+        uses: goreleaser/goreleaser-action@v4
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+
+
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}
+          
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          build-args: |
+            GITHUB_SHA=${{ github.sha }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.goreleaser.yaml

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+before:
+  hooks:
+    # - go mod tidy
+
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+      - windows
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+      - arm
+      - "386"
+    goarm:
+      - "7"
+    ignore:
+      - goos: darwin
+        goarch: arm
+      - goos: windows
+        goarch: arm
+      - goos: darwin
+        goarch: "386"
+    mod_timestamp: '{{ .CommitTimestamp }}'
+    flags:
+      - -trimpath
+    ldflags:
+      - -s -w -X main.CurrentCommit={{ .ShortCommit }}
+
+archives:
+  - format: tar.gz
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else if eq .Arch "arm64" }}aarch64
+      {{- else if eq .Arch "arm" }}armv7
+      {{- else }}{{ .Arch }}{{ end }}
+    format_overrides:
+      - goos: windows
+        format: zip
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+      - '^chore:'
+      - Merge pull request
+      - Merge branch 

Dockerfile

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+FROM golang:alpine AS builder
+WORKDIR /app
+COPY . .
+ARG GITHUB_SHA
+RUN echo "Building commit: ${GITHUB_SHA:0:7}" && \
+    go mod tidy && \
+    go build -ldflags="-s -w -X main.CurrentCommit=${GITHUB_SHA:0:7}" -o main .
+
+FROM alpine
+ENV TZ=Asia/Shanghai
+RUN apk add --no-cache alpine-conf ca-certificates  && \
+    /usr/sbin/setup-timezone -z Asia/Shanghai && \
+    apk del alpine-conf && \
+    rm -rf /var/cache/apk/*
+COPY --from=builder /app/main /app/main
+CMD /app/main
+EXPOSE 5245