feat: builds support amd64+arm64

builds/k3s-inside-dind/.env.example

@@ -7,7 +7,13 @@ K3S_VERSION=v1.28.2+k3s1
 
 # K3s DinD Image Version
 # Built image version tag
-K3S_DIND_VERSION=0.2.1
+K3S_DIND_VERSION=0.2.2
+
+# Multi-platform Build Support
+# This image supports building for multiple platforms: linux/amd64, linux/arm64
+# Build for current platform: docker compose build
+# Build multi-platform: docker buildx build --platform linux/amd64,linux/arm64 -t IMAGE_NAME --push .
+
 # Preload Images
 # Whether to pre-download common images during build (true/false)
 # Set to false to speed up build time if you have good internet connectivity

builds/k3s-inside-dind/Dockerfile

@@ -1,6 +1,6 @@
 FROM docker:29-dind
 
-ARG TARGETARCH=amd64
+ARG TARGETARCH
 ARG K3S_VERSION=v1.28.2+k3s1
 ARG PRELOAD_IMAGES="true"
 

builds/k3s-inside-dind/README.md

@@ -9,7 +9,7 @@ A lightweight Kubernetes distribution (K3s) running inside a Docker-in-Docker (D
 - ✅ Complete K3s cluster in a single container
 - ✅ Docker-in-Docker support for containerized workloads
 - ✅ Kubernetes API server exposed on port 6443
-- ✅ Multi-architecture support (x86-64, ARM64)
+- ✅ Multi-platform support (linux/amd64, linux/arm64)
 - ✅ Resource limits to prevent system exhaustion
 - ✅ Health checks for cluster readiness
 - ✅ Persistent storage for K3s and Docker data
@@ -62,7 +62,7 @@ A lightweight Kubernetes distribution (K3s) running inside a Docker-in-Docker (D
 | Variable                      | Default        | Description                           |
 | ----------------------------- | -------------- | ------------------------------------- |
 | `K3S_VERSION`                 | `v1.28.2+k3s1` | K3s version to install                |
-| `K3S_DIND_VERSION`            | `0.2.1`        | Built image version tag               |
+| `K3S_DIND_VERSION`            | `0.2.2`        | Built image version tag               |
 | `PRELOAD_IMAGES`              | `true`         | Pre-download images during build      |
 | `TZ`                          | `UTC`          | Container timezone                    |
 | `K3S_API_PORT_OVERRIDE`       | `6443`         | Kubernetes API server port            |
@@ -166,6 +166,24 @@ Ensure the kubeconfig server address points to `localhost` or the correct IP:
 kubectl cluster-info
 ```
 
+## Building Multi-Platform Images
+
+This image supports `linux/amd64` and `linux/arm64` platforms automatically.
+
+```bash
+# Build for current platform
+docker compose build
+
+# Build and push multi-platform image (requires Docker Buildx)
+docker buildx build --platform linux/amd64,linux/arm64 \
+  -t alexsuntop/k3s-inside-dind:0.2.2 --push .
+
+# Customize K3s version
+docker buildx build --platform linux/amd64,linux/arm64 \
+  --build-arg K3S_VERSION=v1.29.0+k3s1 \
+  -t myregistry/k3s-dind:1.0.0 --push .
+```
+
 ## Advanced Configuration
 
 ### Customize K3s Server Arguments

builds/k3s-inside-dind/README.zh.md

@@ -9,7 +9,7 @@
 - ✅ 在单个容器中运行完整的 K3s 集群
 - ✅ 支持 Docker-in-Docker，可运行容器化工作负载
 - ✅ 在 6443 端口暴露 Kubernetes API 服务器
-- ✅ 支持多架构（x86-64、ARM64）
+- ✅ 支持多平台（linux/amd64、linux/arm64）
 - ✅ 资源限制防止系统资源耗尽
 - ✅ 健康检查确保集群就绪
 - ✅ 持久化存储 K3s 和 Docker 数据
@@ -62,7 +62,7 @@
 | 变量                          | 默认值         | 说明                      |
 | ----------------------------- | -------------- | ------------------------- |
 | `K3S_VERSION`                 | `v1.28.2+k3s1` | 要安装的 K3s 版本         |
-| `K3S_DIND_VERSION`            | `0.2.1`        | 构建的镜像版本标签        |
+| `K3S_DIND_VERSION`            | `0.2.2`        | 构建的镜像版本标签        |
 | `PRELOAD_IMAGES`              | `true`         | 构建时预下载镜像          |
 | `TZ`                          | `UTC`          | 容器时区                  |
 | `K3S_API_PORT_OVERRIDE`       | `6443`         | Kubernetes API 服务器端口 |
@@ -166,6 +166,24 @@ docker compose logs -f k3s
 kubectl cluster-info
 ```
 
+## 构建多平台镜像
+
+此镜像自动支持 `linux/amd64` 和 `linux/arm64` 平台。
+
+```bash
+# 构建当前平台
+docker compose build
+
+# 构建并推送多平台镜像（需要 Docker Buildx）
+docker buildx build --platform linux/amd64,linux/arm64 \
+  -t alexsuntop/k3s-inside-dind:0.2.2 --push .
+
+# 自定义 K3s 版本
+docker buildx build --platform linux/amd64,linux/arm64 \
+  --build-arg K3S_VERSION=v1.29.0+k3s1 \
+  -t myregistry/k3s-dind:1.0.0 --push .
+```
+
 ## 高级配置
 
 ### 自定义 K3s 服务器参数

builds/k3s-inside-dind/docker-compose.yaml

@@ -13,10 +13,13 @@ x-defaults: &defaults
 services:
   k3s:
     <<: *defaults
-    image: ${GLOBAL_REGISTRY:-}alexsuntop/k3s-inside-dind:${K3S_DIND_VERSION:-0.2.1}
+    image: ${GLOBAL_REGISTRY:-}alexsuntop/k3s-inside-dind:${K3S_DIND_VERSION:-0.2.2}
     build:
       context: .
       dockerfile: Dockerfile
+      platforms:
+        - linux/amd64
+        - linux/arm64
       args:
         K3S_VERSION: ${K3S_VERSION:-v1.28.2+k3s1}
         PRELOAD_IMAGES: ${PRELOAD_IMAGES:-true}