perf: BuildKit cache mount 加速 Docker 构建
优化: - Dockerfile 加 # syntax=docker/dockerfile:1 启用 BuildKit frontend - go mod download / go build 加 --mount=type=cache (GOMODCACHE + GOCACHE) - apk add 加 --mount=type=cache=/var/cache/apk - alpine:latest → alpine:3.20 固定版本(避免 :latest 变动导致全量 cache miss) - run.sh 加 DOCKER_BUILDKIT=1 + COMPOSE_DOCKER_CLI_BUILD=1 效果: - 首次构建不变(需填充缓存) - 第二次起: go build 增量编译(仅重编译改动包),apk 从缓存恢复 - 预估: 13分钟 → 2分钟
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@@ -1,8 +1,9 @@
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# syntax=docker/dockerfile:1
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# ============================================================
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# ============================================================
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# AIOps Backend + Agent 多阶段 Dockerfile
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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 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 2: 交叉编译 Agent (Go 1.24, linux-amd64/arm64 + darwin-arm64)
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# Stage 3: 运行时 (Alpine)
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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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# 署名 Logan.Li
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# ============================================================
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# ============================================================
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@@ -22,16 +23,23 @@ RUN apk add --no-cache git ca-certificates tzdata
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ENV TZ=Asia/Shanghai
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ENV TZ=Asia/Shanghai
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GONOSUMCHECK=*
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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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# 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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COPY backend/go.mod backend/go.sum ./
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RUN go mod download
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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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# 复制后端源码
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COPY backend/ ./
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COPY backend/ ./
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# 构建后端二进制(注入版本号)
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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 CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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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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-ldflags="-w -s -X main.Version=${VERSION} -X main.BuildTime=${BUILD_TIME}" \
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-o aiops ./cmd/
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-o aiops ./cmd/
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@@ -42,27 +50,37 @@ WORKDIR /agent
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GOSUMDB=off
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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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# 复制 agent go.mod
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COPY agent/go.mod agent/go.sum ./
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COPY agent/go.mod agent/go.sum ./
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RUN go mod download
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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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# 复制 agent 源码
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COPY agent/ ./
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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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# 交叉编译三个平台的 agent 二进制(注入版本号)
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RUN 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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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=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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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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# ==================== Stage 3: Runtime ====================
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FROM alpine:latest
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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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# 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.aliyun.com|g' /etc/apk/repositories
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RUN sed -i 's|dl-cdn.alpinelinux.org|mirrors.aliyun.com|g' /etc/apk/repositories
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# 安装运行时依赖(bash=kubectl交互终端,curl=健康检查,openssh-client=SSH远程安装agent,kubectl=集群命令行管理,ansible=自动化运维,nodejs+npm=前端构建,maven=Java构建)
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# 安装运行时依赖(apk cache mount 加速重装)
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RUN apk --no-cache add ca-certificates tzdata bash curl openssh-client ansible sshpass git docker-cli docker-cli-buildx nodejs npm maven && \
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# bash=kubectl交互终端,curl=健康检查,openssh-client=SSH远程安装agent
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# kubectl=集群命令行管理,ansible=自动化运维,nodejs+npm=前端构建,maven=Java构建
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RUN --mount=type=cache,target=/var/cache/apk \
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apk add ca-certificates tzdata bash curl openssh-client ansible sshpass git docker-cli docker-cli-buildx nodejs npm maven && \
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curl -sLO "https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
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curl -sLO "https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
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chmod +x kubectl && mv kubectl /usr/local/bin/
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chmod +x kubectl && mv kubectl /usr/local/bin/
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@@ -325,6 +325,11 @@ cmd_docker() {
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info "使用: $DOCKER_COMPOSE"
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info "使用: $DOCKER_COMPOSE"
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info "版本: $VERSION (构建时间: $BUILD_TIME)"
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info "版本: $VERSION (构建时间: $BUILD_TIME)"
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# 启用 BuildKit 加速构建(cache mount 跨构建复用 go mod/apk 缓存)// Logan.Li
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export DOCKER_BUILDKIT=1
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export COMPOSE_DOCKER_CLI_BUILD=1
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info "BuildKit: 已启用 (增量编译 + 缓存复用)"
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case "$action" in
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case "$action" in
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up)
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up)
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banner "========== Docker Compose 启动 =========="
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banner "========== Docker Compose 启动 =========="
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