# ============================================================
# 统一构建：Flutter web 前端 + Go 后端 + Node 渲染器
# 构建上下文必须为仓库根目录（docker build -f server/Dockerfile .）
# ============================================================

# ---------- 前端：Flutter web 构建 ----------
FROM ghcr.io/cirruslabs/flutter:stable AS web-builder
ENV PUB_HOSTED_URL=https://pub.flutter-io.cn
ENV FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
WORKDIR /web
COPY app/pubspec.yaml app/pubspec.lock ./
RUN flutter pub get
COPY app/ .
RUN flutter build web --release

# ---------- 后端：Go 编译 ----------
FROM golang:alpine AS builder
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
  && apk add --no-cache git ca-certificates tzdata
ENV TZ=Asia/Shanghai
ENV GO111MODULE=on
ENV GOPROXY=https://goproxy.cn,direct
ENV CGO_ENABLED=0
ENV GOTOOLCHAIN=auto
WORKDIR /build
COPY server/go.mod server/go.sum ./
RUN go mod download
COPY server/ .
RUN go build -ldflags="-s -w" -o main ./main.go

# ---------- 渲染器：Node + headless-gl（需原生编译） ----------
FROM node:20-alpine AS renderer
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
  && apk add --no-cache git python3 make g++ mesa mesa-dev ca-certificates tzdata
WORKDIR /render
COPY server/scripts/avatar-render/package*.json ./
RUN npm ci --omit=dev --registry=https://registry.npmmirror.com

# ---------- 运行时 ----------
FROM alpine:3.19
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
  && apk add --no-cache ca-certificates tzdata libstdc++ libgcc mesa nodejs
ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
WORKDIR /app
COPY --from=web-builder /web/build/web ./web
COPY --from=builder /build/config.yml .
COPY --from=builder /build/main .
COPY --from=renderer /render/node_modules ./scripts/avatar-render/node_modules
COPY server/scripts/avatar-render/ ./scripts/avatar-render/
RUN mkdir -p /app/workspace /app/data
EXPOSE 3007
ENTRYPOINT ["./main"]