Dockerfile.minimal

# 最小化 Dockerfile - 使用 distroless 而不是 scratch
# 这样可以避免 entrypoint.sh 找不到的问题

# 多阶段构建 - 证书和工具阶段
FROM alpine:3.19 AS certs
RUN apk update && apk add --no-cache ca-certificates tzdata

# 二进制文件准备阶段
FROM alpine:3.19 AS binary-prep
ARG TARGETARCH
WORKDIR /prep

# 复制构建产物
COPY dist/ ./dist/

# 查找并复制正确的二进制文件
RUN find ./dist -name "*linux*${TARGETARCH}*" -type f -executable | head -1 | xargs -I {} cp {} /prep/app || \
    find ./dist -name "*${TARGETARCH}*" -type f -executable | head -1 | xargs -I {} cp {} /prep/app || \
    find ./dist -name "server-dash*" -type f -executable | head -1 | xargs -I {} cp {} /prep/app

# 设置执行权限
RUN chmod +x /prep/app

# 最终运行阶段 - 使用 distroless 基础镜像
FROM gcr.io/distroless/static-debian12:latest

ARG TZ=Asia/Shanghai

# 从证书阶段复制必要文件
COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=certs /usr/share/zoneinfo /usr/share/zoneinfo

# 复制应用和静态资源
COPY --from=binary-prep /prep/app /dashboard/app
COPY resource/ /dashboard/resource/

# 设置工作目录和环境变量
WORKDIR /dashboard
ENV TZ=$TZ
ENV GIN_MODE=release

# 暴露端口
EXPOSE 80 2222

# 健康检查
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD ["/dashboard/app", "--health-check"] || exit 1

# 直接启动应用，不使用 entrypoint.sh
ENTRYPOINT ["/dashboard/app"]