# syntax=docker/dockerfile:1.7
ARG PREVIOUS_IMAGE=nginx:1.27-alpine
ARG SERVICE_VERSION=0.0.0

# 只抽取上一镜像的“当前版本”资源。首次切换新目录协议时额外保留一次旧 /assets，
# 下一次构建会因 layout 标记存在而自动淘汰，避免历史资源无限累积。
FROM ${PREVIOUS_IMAGE} AS previous
RUN set -eu; \
    mkdir -p /xuqm-previous/tenant /xuqm-previous/docs; \
    if [ -f /etc/xuqm_asset_layout_v2 ] && [ -s /etc/service_version ]; then \
      previous_version="$(cat /etc/service_version)"; \
      for app in tenant docs; do \
        source_dir="/usr/share/nginx/html/${app}/releases/${previous_version}"; \
        if [ -d "${source_dir}" ]; then \
          mkdir -p "/xuqm-previous/${app}/releases"; \
          cp -a "${source_dir}" "/xuqm-previous/${app}/releases/"; \
        fi; \
      done; \
    else \
      for app in tenant docs; do \
        source_dir="/usr/share/nginx/html/${app}/assets"; \
        if [ -d "${source_dir}" ]; then cp -a "${source_dir}" "/xuqm-previous/${app}/"; fi; \
      done; \
    fi

FROM --platform=linux/amd64 node:22-alpine AS build
WORKDIR /workspace
ARG SERVICE_VERSION

COPY package.json ./package.json
COPY yarn.lock ./yarn.lock
# Workspace manifests must exist before yarn install so devDeps (e.g. vue-tsc) are installed
COPY tenant-platform/package.json ./tenant-platform/package.json
COPY docs-site/package.json ./docs-site/package.json

# 依赖层本身会随 manifests/lockfile 缓存。禁止跨构建复用 Yarn 全局缓存：
# 内部仓库一旦出现同版本制品被重新上传，共享缓存会保留旧字节并与锁文件摘要冲突。
RUN yarn install --frozen-lockfile

# GIT_COMMIT invalidates source-code layers on every commit, without re-running yarn install
ARG GIT_COMMIT=unknown
COPY tenant-platform ./tenant-platform
COPY docs-site ./docs-site

ARG TENANT_APP_BASE=/
ARG TENANT_API_BASE_URL=/api

RUN cd tenant-platform && \
    VITE_APP_BASE=${TENANT_APP_BASE} \
    VITE_API_BASE_URL=${TENANT_API_BASE_URL} \
    VITE_RELEASE_ID=${SERVICE_VERSION} \
    yarn build

RUN cd docs-site && VITE_RELEASE_ID=${SERVICE_VERSION} yarn build

FROM --platform=linux/amd64 nginx:1.27-alpine

ARG SERVICE_VERSION=0.0.0
LABEL com.xuqm.version="${SERVICE_VERSION}"
LABEL com.xuqm.service="tenant-web"

COPY nginx/tenant.conf /etc/nginx/conf.d/default.conf
COPY --from=previous /xuqm-previous/ /usr/share/nginx/html/
COPY --from=build /workspace/tenant-platform/dist /usr/share/nginx/html/tenant
COPY --from=build /workspace/docs-site/docs/.vitepress/dist /usr/share/nginx/html/docs
RUN echo "${SERVICE_VERSION}" > /etc/service_version && touch /etc/xuqm_asset_layout_v2

EXPOSE 80