fix: docker images build

Author: soulteary

.github/workflows/ci-agent.yml

@@ -52,7 +52,7 @@ jobs:
 
       - name: Skip (no project structure)
         if: steps.modroot.outputs.found != 'true'
-        run: 'echo "Skipped: no go.mod + cmd/runner-manager in this repo."'
+        run: 'echo "Skipped: no go.mod + cmd/runner-agent in this repo."'
 
   build:
     name: Build
@@ -88,4 +88,4 @@ jobs:
 
       - name: Skip (no project structure)
         if: steps.modroot.outputs.found != 'true'
-        run: 'echo "Skipped: no go.mod + cmd/runner-manager in this repo."'
+        run: 'echo "Skipped: no go.mod + cmd/runner-agent in this repo."'

.github/workflows/publish-image-agent.yml

@@ -77,7 +77,15 @@ jobs:
         id: runner-tags
         run: |
           echo "tags<<EOF" >> "$GITHUB_OUTPUT"
-          echo "${{ steps.meta.outputs.tags }}" | sed '/./s/\(:.*\)$/\1-runner/' >> "$GITHUB_OUTPUT"
+          # metadata-action 可能输出逗号/换行分隔；每行 image:tag 转为 image:tag-runner
+          echo "${{ steps.meta.outputs.tags }}" | tr ',' '\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | while IFS= read -r line; do
+            [ -z "$line" ] && continue
+            if [[ "$line" == *:* ]]; then
+              echo "$line" | sed 's/\(:.*\)$/\1-runner/'
+            else
+              echo "${line}:latest-runner"
+            fi
+          done >> "$GITHUB_OUTPUT"
           echo "EOF" >> "$GITHUB_OUTPUT"
 
       - name: Build and push Runner image (container mode)

.github/workflows/publish-image-manager.yml

@@ -73,9 +73,7 @@ jobs:
             type=semver,pattern={{major}},enable=${{ startsWith(github.ref, 'refs/tags/v') }}
             type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/v') }}
 
-      - name: Prepare config for image
-        run: cp config.yaml.example config.yaml
-        working-directory: ${{ env.DOCKER_CONTEXT }}
+      # Dockerfile 内已 COPY config.yaml.example 并 sed 为 config.yaml，无需在 workflow 中准备
 
       - name: Build and push Manager image
         uses: docker/build-push-action@v6

.github/workflows/release-agent.yml

@@ -52,7 +52,9 @@ jobs:
 
       - name: Compute canonical image name (lowercase for GHCR)
         id: vars
+        shell: bash
         run: |
+          set -eu
           CANONICAL="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
           echo "canonical=${CANONICAL,,}" >> "$GITHUB_OUTPUT"
 
@@ -72,7 +74,15 @@ jobs:
         id: runner-tags
         run: |
           echo "tags<<EOF" >> "$GITHUB_OUTPUT"
-          echo "${{ steps.meta.outputs.tags }}" | sed '/./s/\(:.*\)$/\1-runner/' >> "$GITHUB_OUTPUT"
+          # metadata-action 可能输出逗号/换行分隔；每行 image:tag 转为 image:tag-runner
+          echo "${{ steps.meta.outputs.tags }}" | tr ',' '\n' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//' | while IFS= read -r line; do
+            [ -z "$line" ] && continue
+            if [[ "$line" == *:* ]]; then
+              echo "$line" | sed 's/\(:.*\)$/\1-runner/'
+            else
+              echo "${line}:latest-runner"
+            fi
+          done >> "$GITHUB_OUTPUT"
           echo "EOF" >> "$GITHUB_OUTPUT"
 
       - name: Build and push Runner Docker image (container mode)

.github/workflows/release-manager.yml

@@ -68,9 +68,7 @@ jobs:
           cd dist
           sha256sum * > checksums.txt
 
-      - name: Prepare config for image
-        run: cp config.yaml.example config.yaml
-        working-directory: ${{ env.DOCKER_CONTEXT }}
+      # Dockerfile 内已 COPY config.yaml.example 并 sed 为 config.yaml，无需在 workflow 中准备
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -86,7 +84,9 @@ jobs:
 
       - name: Compute canonical image name (lowercase for GHCR)
         id: vars
+        shell: bash
         run: |
+          set -eu
           CANONICAL="${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}"
           echo "canonical=${CANONICAL,,}" >> "$GITHUB_OUTPUT"
 

Dockerfile.runner

@@ -1,10 +1,14 @@
 # Runner 容器镜像（容器模式用）：仅包含 Agent + Runner 运行依赖，Runner 目录由 Manager 挂载到 /runner
-FROM golang:1.26.0-bookworm AS builder
+# 使用 BUILDPLATFORM 在宿主机(amd64)上构建，TARGETOS/TARGETARCH 交叉编译，避免 QEMU 下 go build 失败
+ARG BUILDPLATFORM=linux/amd64
+FROM --platform=$BUILDPLATFORM golang:1.26-bookworm AS builder
 WORKDIR /app
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
-RUN CGO_ENABLED=0 go build -o runner-agent ./cmd/runner-agent
+ARG TARGETOS=linux
+ARG TARGETARCH=amd64
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o runner-agent ./cmd/runner-agent
 
 FROM ubuntu:24.04
 LABEL org.opencontainers.image.title="Runner Fleet Runner" \