ci: speed up docker build with BuildKit cache mount and layer caching
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15
.drone.yml
15
.drone.yml
@@ -162,6 +162,8 @@ steps:
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volumes:
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- name: dockersock
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path: /var/run/docker.sock
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environment:
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DOCKER_BUILDKIT: "1"
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commands:
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- |
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echo "====== 开始构建 Docker 镜像 ======"
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@@ -174,11 +176,20 @@ steps:
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fi
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echo "版本: $APP_VERSION"
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# 拉取之前的镜像作为缓存来源(加速 layer 复用)
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echo "正在拉取缓存镜像..."
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docker pull "$IMAGE_NAME:latest" 2>/dev/null || true
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docker pull "$LOCAL_HARBOR_REG/$LOCAL_HARBOR_PROJ/$IMAGE_NAME:latest" 2>/dev/null || true
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# 使用 BuildKit 构建,启用缓存
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docker build \
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-t "$IMAGE_NAME:$BUILD_VERSION" \
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-t "$IMAGE_NAME:latest" \
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--cache-from "$IMAGE_NAME:latest" \
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--cache-from "$LOCAL_HARBOR_REG/$LOCAL_HARBOR_PROJ/$IMAGE_NAME:latest" \
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--build-arg BUILDKIT_INLINE_CACHE=1 \
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--build-arg VERSION="$APP_VERSION" \
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--build-arg BUILD_TIME="$(TZ=Asia/Shanghai date '+%Y-%m-%d %H:%M')" \
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-t "$IMAGE_NAME:$BUILD_VERSION" \
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-t "$IMAGE_NAME:latest" \
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-f par-api/Dockerfile \
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.
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@@ -1,14 +1,18 @@
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# syntax=docker/dockerfile:1
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# PAR Server - 前后端一体化 Docker 镜像
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# 参考 mediabot 的多阶段构建方式
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# 启用 BuildKit 以支持 cache mount
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# 第一阶段:构建前端
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FROM 192.168.31.253/library/node:22-alpine AS web-builder
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WORKDIR /app
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COPY web/package.json web/package-lock.json ./
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RUN npm ci --ignore-scripts
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RUN --mount=type=cache,target=/root/.npm \
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npm ci --ignore-scripts
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COPY web/ .
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RUN npm run build
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RUN --mount=type=cache,target=/root/.npm \
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npm run build
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# 第二阶段:构建后端
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# mediabot 使用 maven-java21 镜像(已含 JDK + Maven)
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@@ -22,8 +26,9 @@ COPY par-common/pom.xml par-common/
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COPY par-core/pom.xml par-core/
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COPY par-api/pom.xml par-api/
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# 下载依赖(缓存层)
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RUN mvn dependency:go-offline -B
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# 下载依赖(使用 cache mount 缓存 Maven 仓库)
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RUN --mount=type=cache,target=/root/.m2,sharing=locked \
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mvn dependency:go-offline -B
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# 复制源码并构建
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COPY par-common/src par-common/src
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@@ -33,7 +38,9 @@ COPY par-api/src par-api/src
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# 将前端构建产物复制到后端静态资源目录
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COPY --from=web-builder /app/dist par-api/src/main/resources/static
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RUN mvn clean package -DskipTests -B && \
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# 打包(使用 cache mount 缓存 Maven 仓库)
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RUN --mount=type=cache,target=/root/.m2,sharing=locked \
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mvn clean package -DskipTests -B && \
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mkdir -p target && \
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cp par-api/target/*.jar target/app.jar
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