fix(构建): 支持配置基础镜像仓库

允许通过构建参数/脚本选项切换基础镜像来源，避免镜像源 403 影响构建

Dockerfile

@@ -6,10 +6,14 @@
 # Stage 3: Final minimal image
 # =============================================================================
 
+ARG NODE_IMAGE=node:24-alpine
+ARG GOLANG_IMAGE=golang:1.25-alpine
+ARG ALPINE_IMAGE=alpine:3.19
+
 # -----------------------------------------------------------------------------
 # Stage 1: Frontend Builder
 # -----------------------------------------------------------------------------
-FROM node:24-alpine AS frontend-builder
+FROM ${NODE_IMAGE} AS frontend-builder
 
 WORKDIR /app/frontend
 
@@ -24,7 +28,7 @@ RUN npm run build
 # -----------------------------------------------------------------------------
 # Stage 2: Backend Builder
 # -----------------------------------------------------------------------------
-FROM golang:1.25-alpine AS backend-builder
+FROM ${GOLANG_IMAGE} AS backend-builder
 
 # Build arguments for version info (set by CI)
 ARG VERSION=docker
@@ -56,7 +60,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build \
 # -----------------------------------------------------------------------------
 # Stage 3: Final Runtime Image
 # -----------------------------------------------------------------------------
-FROM alpine:3.19
+FROM ${ALPINE_IMAGE}
 
 # Labels
 LABEL maintainer="Wei-Shaw <github.com/Wei-Shaw>"

build_docker.sh

@@ -7,11 +7,12 @@
 #   ./build_docker.sh [选项]
 #
 # 选项:
-#   -t, --tag TAG       指定镜像标签 (默认: latest)
-#   -r, --registry REG  指定镜像仓库地址 (默认: 无)
-#   -p, --push          构建后推送镜像到仓库
-#   --no-cache          不使用 Docker 构建缓存
-#   -h, --help          显示帮助信息
+#   -t, --tag TAG          指定镜像标签 (默认: latest)
+#   -r, --registry REG     指定镜像仓库地址 (默认: 无)
+#   -b, --base-registry REG 指定基础镜像仓库地址 (默认: 使用 docker.io)
+#   -p, --push             构建后推送镜像到仓库
+#   --no-cache             不使用 Docker 构建缓存
+#   -h, --help             显示帮助信息
 #
 # 示例:
 #   ./build_docker.sh                           # 构建 sub2api:latest
@@ -38,6 +39,7 @@ NC='\033[0m' # No Color
 IMAGE_NAME="sub2api"
 TAG="latest"
 REGISTRY=""
+BASE_IMAGE_REGISTRY="${BASE_IMAGE_REGISTRY:-}"
 PUSH=false
 NO_CACHE=""
 
@@ -82,6 +84,10 @@ while [[ $# -gt 0 ]]; do
             REGISTRY="$2"
             shift 2
             ;;
+        -b|--base-registry)
+            BASE_IMAGE_REGISTRY="$2"
+            shift 2
+            ;;
         -p|--push)
             PUSH=true
             shift
@@ -151,6 +157,17 @@ VERSION=$(get_version)
 COMMIT=$(get_commit)
 DATE=$(get_date)
 
+# 解析基础镜像
+NODE_IMAGE="node:24-alpine"
+GOLANG_IMAGE="golang:1.25-alpine"
+ALPINE_IMAGE="alpine:3.19"
+if [[ -n "$BASE_IMAGE_REGISTRY" ]]; then
+    BASE_IMAGE_REGISTRY="${BASE_IMAGE_REGISTRY%/}"
+    NODE_IMAGE="${BASE_IMAGE_REGISTRY}/library/node:24-alpine"
+    GOLANG_IMAGE="${BASE_IMAGE_REGISTRY}/library/golang:1.25-alpine"
+    ALPINE_IMAGE="${BASE_IMAGE_REGISTRY}/library/alpine:3.19"
+fi
+
 # 构建完整镜像名称
 if [[ -n "$REGISTRY" ]]; then
     FULL_IMAGE_NAME="${REGISTRY}/${IMAGE_NAME}:${TAG}"
@@ -167,6 +184,9 @@ info "镜像名称: ${FULL_IMAGE_NAME}"
 info "版本: ${VERSION}"
 info "Commit: ${COMMIT}"
 info "构建时间: ${DATE}"
+if [[ -n "$BASE_IMAGE_REGISTRY" ]]; then
+    info "基础镜像仓库: ${BASE_IMAGE_REGISTRY}"
+fi
 if [[ -n "$NO_CACHE" ]]; then
     info "缓存: 禁用"
 fi
@@ -181,6 +201,9 @@ docker build \
     --build-arg VERSION="${VERSION}" \
     --build-arg COMMIT="${COMMIT}" \
     --build-arg DATE="${DATE}" \
+    --build-arg NODE_IMAGE="${NODE_IMAGE}" \
+    --build-arg GOLANG_IMAGE="${GOLANG_IMAGE}" \
+    --build-arg ALPINE_IMAGE="${ALPINE_IMAGE}" \
     -t "${FULL_IMAGE_NAME}" \
     -f Dockerfile \
     .