125 lines
5.0 KiB
Docker
125 lines
5.0 KiB
Docker
# syntax=docker/dockerfile:1
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# ============================================================
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# AIOps Backend + Agent 多阶段 Dockerfile (BuildKit 加速版)
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# Stage 1: 编译后端 (Go 1.24)
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# Stage 2: 交叉编译 Agent (Go 1.24, linux-amd64/arm64 + darwin-arm64)
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# Stage 3: 运行时 (Alpine 3.20 固定版本)
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# 署名 Logan.Li
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# ============================================================
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# 构建参数 — 版本号通过 git tag 或环境变量注入
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ARG VERSION=dev
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ARG BUILD_TIME=unknown
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# ==================== Stage 1: Backend Builder ====================
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FROM golang:1.24-alpine AS builder
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WORKDIR /app
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# 使用国内 Alpine 镜像源加速 // Logan.Li
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RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apk/repositories
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RUN apk add --no-cache git ca-certificates tzdata
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ENV TZ=Asia/Shanghai
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GONOSUMCHECK=*
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ENV GOMODCACHE=/go/pkg/mod
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ENV GOCACHE=/root/.cache/go-build
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# 复制后端 go.mod（利用 Docker 层缓存）
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COPY backend/go.mod backend/go.sum ./
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# --mount=type=cache 让 go mod download 的结果跨构建复用 // Logan.Li
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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go mod download
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# 复制后端源码
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COPY backend/ ./
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# 构建后端二进制（注入版本号）— cache mount 让增量编译极快
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags="-w -s -X main.Version=${VERSION} -X main.BuildTime=${BUILD_TIME}" \
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-o aiops ./cmd/
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# ==================== Stage 2: Agent Builder ====================
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FROM golang:1.24-alpine AS agent-builder
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WORKDIR /agent
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GOSUMDB=off
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ENV GOMODCACHE=/go/pkg/mod
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ENV GOCACHE=/root/.cache/go-build
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# 复制 agent go.mod
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COPY agent/go.mod agent/go.sum ./
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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go mod download
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# 复制 agent 源码
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COPY agent/ ./
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# 交叉编译三个平台的 agent 二进制（注入版本号）
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RUN --mount=type=cache,target=/go/pkg/mod \
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--mount=type=cache,target=/root/.cache/go-build \
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CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X main.version=${VERSION} -X main.buildTime=${BUILD_TIME}" -o bin/aiops-agent-linux-amd64 . && \
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CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w -X main.version=${VERSION} -X main.buildTime=${BUILD_TIME}" -o bin/aiops-agent-linux-arm64 . && \
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CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w -X main.version=${VERSION} -X main.buildTime=${BUILD_TIME}" -o bin/aiops-agent-darwin-arm64 .
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# ==================== Stage 3: Runtime ====================
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# 固定版本避免 :latest 每次变动导致全量 cache 失效 // Logan.Li
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FROM alpine:3.20
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# 使用国内 Alpine 镜像源加速 // Logan.Li
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RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apk/repositories
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# 安装运行时依赖（核心最小集，重型工具改为懒加载）// Logan.Li
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# bash=kubectl交互终端, curl=健康检查, git=流水线代码拉取, docker-cli=镜像构建推送
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# kubectl=预装（~50MB，K8s交互终端必需），maven/nodejs/helm → 工具配置Tab懒加载
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# Pod文件浏览/exec 通过 WebSocket channel 协议直连 K8s API，无需 kubectl
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RUN --mount=type=cache,target=/var/cache/apk \
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apk add ca-certificates tzdata bash curl git docker-cli docker-cli-buildx
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# kubectl 预装（~50MB，本地打包进镜像，避免 Docker build 时网络下载）// Logan.Li
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COPY backend/kubectl /usr/local/bin/kubectl
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RUN chmod +x /usr/local/bin/kubectl
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# npm 淘宝镜像加速（node 懒加载后生效）
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RUN npm config set registry https://registry.npmmirror.com 2>/dev/null || true
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# Maven 阿里云镜像加速（maven 懒加载后生效）
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RUN mkdir -p /root/.m2 && \
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echo '<?xml version="1.0" encoding="UTF-8"?><settings><mirrors><mirror><id>aliyun</id><mirrorOf>central</mirrorOf><name>Aliyun Maven</name><url>https://maven.aliyun.com/repository/public</url></mirror></mirrors></settings>' > /root/.m2/settings.xml
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ENV TZ=Asia/Shanghai
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WORKDIR /app
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# 复制后端二进制
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COPY --from=builder /app/aiops .
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# 创建运行时目录（agent 二进制 + 安装脚本）
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RUN mkdir -p /app/agent/bin /app/agent/deploy
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# 复制 agent 二进制（三个平台）
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COPY --from=agent-builder /agent/bin/aiops-agent-linux-amd64 /app/agent/bin/
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COPY --from=agent-builder /agent/bin/aiops-agent-linux-arm64 /app/agent/bin/
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COPY --from=agent-builder /agent/bin/aiops-agent-darwin-arm64 /app/agent/bin/
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# 复制 agent 安装脚本和 systemd service 模板
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COPY agent/deploy/install.sh /app/agent/deploy/
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COPY agent/deploy/aiops-agent.service /app/agent/deploy/
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# 启动脚本（注入 hosts DNS 缓存）
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COPY backend/entrypoint.sh /app/
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RUN chmod +x /app/entrypoint.sh
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EXPOSE 8080
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HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
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CMD curl -f http://localhost:8080/health || exit 1
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CMD ["./entrypoint.sh"]
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