284 lines
9.8 KiB
Markdown
284 lines
9.8 KiB
Markdown
---
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title: 自建镜像
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description: 从源码构建各服务的 Docker 镜像
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outline: deep
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---
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# 自建镜像
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平台镜像由官方仓库分发。如有定制需求(改代码、加依赖、适配私有基础镜像),可从源码自行构建。
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## 构建环境
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| 项 | 要求 |
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| --- | --- |
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| Docker | 20.10 以上 |
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| 网络 | 需访问基础镜像仓库与 Go/npm 依赖源 |
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| 磁盘 | 单服务构建约 1~2 GB(含构建缓存) |
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## 各服务构建文件
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| 服务 | 仓库 | Dockerfile | 构建上下文 |
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| --- | --- | --- | --- |
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| admin-svr | `iotlcm-admin-svr` | `server/build/Dockerfile` | `server/` |
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| openapi | `iotlcm-openapi` | `build/Dockerfile` | 仓库根目录 |
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| worker-svr | `iotlcm-worker-svr` | `build/Dockerfile` | 仓库根目录 |
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| upstream-chan | `iotlcm-upstream-chan` | `build/Dockerfile` | 仓库根目录 |
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| upstream-proxy | `iotlcm-upstream-proxy` | `build/Dockerfile` | 仓库根目录 |
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| app-server | `iotlcm-app` | `server/Dockerfile` | `server/` |
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| app-web | `iotlcm-app` | `app/Dockerfile` | `app/` |
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| admin-ui | `iotlcm-admin-ui` | `vue/build/Dockerfile` | `vue/` |
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| sms | `iotlcm-sms` | `build/Dockerfile` | 仓库根目录 |
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| bot | `iotlcm-bot` | `Dockerfile` | 仓库根目录 |
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| docs | `iotlcm-docs` | `Dockerfile` | 仓库根目录 |
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| onelink-mock | `iotlcm-onelink-mock` | `Dockerfile` | 仓库根目录 |
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## ⚠️ 先处理私有基础镜像
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**当前部分仓库的 Dockerfile 仍指向私有镜像仓库**,外部环境无法拉取,直接构建会失败:
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| 仓库 | 文件 | 问题 |
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| --- | --- | --- |
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| `iotlcm-openapi` | `manifest/docker/Dockerfile` | `FROM` 指向私有仓库 |
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| `iotlcm-app` | `app/Dockerfile` | 2 处 `FROM` 指向私有仓库 |
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| `iotlcm-app` | `server/Dockerfile` | 2 处 `FROM` 指向私有仓库 |
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| `iotlcm-admin-ui` | `vue/build/Dockerfile` | 2 处 `FROM` 指向私有仓库 |
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| `iotlcm-admin-ui` | `vue/build/DockerfileNoBuild` | `FROM` 指向私有仓库 |
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构建前把这些 `FROM` 改为公共镜像:
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```dockerfile
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# 修改前(私有仓库,外部不可达)
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FROM crpi-xxxxxxxx.cn-beijing.personal.cr.aliyuncs.com/xxx/golangalpine:1.25.7-alpine3.23 AS builder
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# 修改后(公共镜像)
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FROM golang:1.25-alpine AS builder
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```
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```dockerfile
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FROM crpi-xxxxxxxx.cn-beijing.personal.cr.aliyuncs.com/xxx/nginx:1.30.0-alpine
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# 改为
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FROM nginx:1.30-alpine
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```
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::: tip 其余仓库的 Dockerfile 已可用
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`admin-svr`、`worker-svr`、`upstream-chan`、`upstream-proxy`、`sms`、`bot`、`docs`、`onelink-mock` 的 Dockerfile 基础镜像均为公共镜像,可直接构建。
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:::
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## 构建命令
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### 后端服务
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```bash
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COMMIT=$(git rev-parse --short HEAD)
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VERSION=$(git describe --tags --always)
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BUILD_TIME=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
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docker build \
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--build-arg BuildVersion=$VERSION \
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--build-arg CommitID=$COMMIT \
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--build-arg BuildTime=$BUILD_TIME \
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-t your-registry/iotlcm/iotlcm-openapi:$VERSION \
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.
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```
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`admin-svr` 与 `app-server` 需指定上下文目录:
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```bash
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cd iotlcm-admin-svr
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docker build \
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--build-arg BuildVersion=$VERSION \
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--build-arg CommitID=$COMMIT \
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--build-arg BuildTime=$BUILD_TIME \
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-t your-registry/iotlcm/iotlcm-admin-svr:$VERSION \
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-f server/build/Dockerfile server/
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```
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### 前端服务
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```bash
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cd iotlcm-admin-ui/vue
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docker build -t your-registry/iotlcm/iotlcm-admin-ui:$VERSION -f build/Dockerfile .
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```
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```bash
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cd iotlcm-app/app
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docker build -t your-registry/iotlcm/iotlcm-app-web:$VERSION .
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```
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### 构建参数说明
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| 参数 | 用途 |
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| --- | --- |
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| `BuildVersion` | 写入二进制,可通过版本接口查询 |
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| `CommitID` | 提交号,便于追溯 |
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| `BuildTime` | 构建时间 |
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`openapi`、`worker-svr` 等仓库支持用 `GOPROXY` 构建参数替换代理:
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```bash
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docker build --build-arg GOPROXY=https://goproxy.cn,direct -t ... .
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```
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## 镜像命名规则
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部署编排按以下名称拉取镜像,自建时需保持一致。`<镜像仓库>` 即官方仓库前缀 `crpi-qflrqrxoohlkkvgc.cn-chengdu.personal.cr.aliyuncs.com`:
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| 服务 | 镜像名 |
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| --- | --- |
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| admin-svr | `<镜像仓库>/iotlcm/iotlcm-admin-svr:<TAG>` |
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| admin-ui | `<镜像仓库>/iotlcm/iotlcm-admin-ui:<TAG>` |
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| openapi | `<镜像仓库>/iotlcm/iotlcm-openapi:<TAG>` |
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| app-server | `<镜像仓库>/iotlcm/iotlcm-app-server:<TAG>` |
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| app-web | `<镜像仓库>/iotlcm/iotlcm-app-web:<TAG>` |
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| upstream-chan | `<镜像仓库>/iotlcm/iotlcm-upstream-chan:<TAG>` |
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| upstream-proxy | `<镜像仓库>/iotlcm/iotlcm-upstream-proxy:<TAG>` |
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| worker-svr | `<镜像仓库>/iotlcm/iotlcm-worker-svr:<TAG>` |
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| sms | `<镜像仓库>/iotlcm/iotlcm-sms:<TAG>` |
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| bot | `<镜像仓库>/iotlcm/iotlcm-bot:<TAG>` |
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| docs | `<镜像仓库>/iotlcm/iotlcm-docs:<TAG>` |
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| onelink-mock | `<镜像仓库>/iotlcm/iotlcm-onelink-mock:<TAG>` |
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基础组件(`mysql`、`redis`、`rabbitmq`、`consul`、`nginx`)不需要构建,只需从上游同步到 `<镜像仓库>/library/`,见下节。
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## 同步基础组件
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平台编排不再从 Docker Hub 直连基础组件(公网不稳定,且 `8.0` 这类 tag 会随补丁升级而漂)。部署前先把五个镜像同步到官方仓库:
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```bash
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REPO=crpi-qflrqrxoohlkkvgc.cn-chengdu.personal.cr.aliyuncs.com
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docker login --username=sdqmx $REPO
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# 按 docker-compose.yml 中固定的版本拉取并推送
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sync_image() {
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local src=$1 dst=$2
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docker pull "$src"
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docker tag "$src" "$REPO/library/$dst"
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docker push "$REPO/library/$dst"
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}
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sync_image mysql:8.0 mysql:8.0
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sync_image redis:7.2 redis:7.2
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sync_image rabbitmq:4.3.5-management rabbitmq:4.3.5-management
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sync_image hashicorp/consul:1.22 consul:1.22
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sync_image nginx:1.30 nginx:1.30
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```
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::: warning 同步时把版本号固定到补丁位
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`mysql:8.0` 这类浮动 tag 会随上游发新补丁而变化。建议同步时锁定到具体补丁版(如 `mysql:8.0.43`),并把 `docker-compose.yml` 的 `MYSQL_VERSION` 同步改为 `8.0.43`,保证多台机器拉到的镜像完全一致。
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:::
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同步完成后校验:
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```bash
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for img in mysql:8.0 redis:7.2 rabbitmq:4.3.5-management consul:1.22 nginx:1.30; do
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docker manifest inspect "$REPO/library/$img" >/dev/null 2>&1 \
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&& echo "✅ $img" || echo "❌ $img"
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done
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```
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## 推送到自己的仓库
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自建镜像不需要推送回官方仓库。推到自有仓库后,把 `docker-compose.yml` 里的镜像前缀改指向它:
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```bash
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REG=harbor.internal.example.com
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TAG=1.0.3
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docker tag iotlcm-openapi:local $REG/iotlcm/iotlcm-openapi:$TAG
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docker login $REG
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docker push $REG/iotlcm/iotlcm-openapi:$TAG
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```
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```yaml
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# docker-compose.yml —— 逐个替换 image 前缀
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image: 'harbor.internal.example.com/iotlcm/iotlcm-openapi:1.0.3'
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```
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::: tip 只覆盖部分服务
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只想替换其中一两个服务时,把对应镜像推到自有仓库,其余保留官方地址。此时把 `docker-compose.yml` 里那几个 `image` 单独写成完整地址,其余保持官方仓库前缀即可。
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:::
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## 批量构建脚本
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```bash
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#!/bin/bash
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set -euo pipefail
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REPO=${REPO:?请设置 REPO}
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TAG=${TAG:-$(date +%Y%m%d)}
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WORKDIR=${WORKDIR:-./repos}
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# 服务:仓库:上下文:产物镜像名
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SERVICES=(
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"admin-svr:iotlcm-admin-svr:server/:iotlcm-admin-svr"
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"openapi:iotlcm-openapi:.:iotlcm-openapi"
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"worker-svr:iotlcm-worker-svr:.:iotlcm-worker-svr"
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"upstream-chan:iotlcm-upstream-chan:.:iotlcm-upstream-chan"
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"upstream-proxy:iotlcm-upstream-proxy:.:iotlcm-upstream-proxy"
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"app-server:iotlcm-app:server/:iotlcm-app-server"
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"sms:iotlcm-sms:.:iotlcm-sms"
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"bot:iotlcm-bot:.:iotlcm-bot"
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)
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mkdir -p "$WORKDIR"
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for item in "${SERVICES[@]}"; do
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IFS=':' read -r name repo ctx image <<< "$item"
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echo "=== 构建 $name ==="
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if [ ! -d "$WORKDIR/$repo" ]; then
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git clone "https://git.5iot.com/iotlcm-public/$repo.git" "$WORKDIR/$repo"
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fi
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VERSION=$(git -C "$WORKDIR/$repo" describe --tags --always 2>/dev/null || echo unknown)
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COMMIT=$(git -C "$WORKDIR/$repo" rev-parse --short HEAD 2>/dev/null || echo unknown)
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find "$WORKDIR/$repo" -name Dockerfile -exec \
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sed -i 's#FROM crpi-[^ ]*/\([a-z]*\):\([0-9.]*-alpine[0-9.]*\)#FROM \1:\2#' {} \;
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docker build \
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--build-arg BuildVersion="$VERSION" \
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--build-arg CommitID="$COMMIT" \
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--build-arg BuildTime="$(date -u '+%Y-%m-%dT%H:%M:%SZ')" \
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-t "$REPO/iotlcm/$image:$TAG" \
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-f "$WORKDIR/$repo/${ctx}Dockerfile" \
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"$WORKDIR/$repo/$ctx"
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done
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echo "全部完成,镜像标签:$REPO/iotlcm/*:$TAG"
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```
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::: warning 脚本里的 sed 只能应急
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上面的 `sed` 是粗略替换,把私有仓库地址映射为公共镜像名。仅适用于地址格式规整的情况,用前先 `git diff` 确认改对了。正式做法应把 Dockerfile 的修正提交回仓库。
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:::
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## 验证构建结果
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```bash
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# 镜像大小
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docker images | grep iotlcm
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# 二进制能否启动
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docker run --rm your-registry/iotlcm/iotlcm-openapi:$TAG --help 2>&1 | head
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# 检查架构
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docker inspect your-registry/iotlcm/iotlcm-openapi:$TAG \
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--format '{{.Architecture}}/{{.Os}}'
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```
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构建后按[启动与验证](install)的清单做一次完整部署验证,不要只看镜像是否构建成功。
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## 常见问题
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| 现象 | 原因 | 处理 |
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| --- | --- | --- |
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| `pull access denied` / `unauthorized` | Dockerfile 里是私有仓库地址 | 按上文替换 `FROM` |
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| `go mod download` 超时 | 网络无法访问 Go 模块代理 | 加 `--build-arg GOPROXY=https://goproxy.cn,direct` |
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| `npm ci` 失败 | 前端仓库 lock 文件与 package.json 不一致 | 改用 `npm install`,并注意提交 lock 变更 |
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| 镜像体积过大 | 未使用多阶段构建,或缓存未清理 | 确认用的是仓库自带的 Dockerfile(均为多阶段) |
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| 容器启动后立即退出 | 镜像内缺少配置文件 | 容器认为 `config/config.yaml` 必须存在,需挂载或用占位配置 |
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| `exec format error` | 构建架构与运行架构不一致 | 加 `--platform linux/amd64` |
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