feat: Alpine 多阶段 Docker 镜像，支持 amd64/arm64 musl 构建

docker/probes.yaml

@@ -0,0 +1,17 @@
+# yaml-language-server: $schema=../probe-config.schema.json
+
+server:
+  listen:
+    host: "${DIAL_HOST|0.0.0.0}"
+    port: "${DIAL_PORT|3000}"
+  storage:
+    dataDir: "${DIAL_DATA_DIR|/data/dial}"
+
+targets:
+  - id: "self-health"
+    name: "DiAL 自检"
+    type: http
+    http:
+      url: "http://127.0.0.1:${DIAL_PORT|3000}/health"
+    expect:
+      status: [200]