# voitrans 业务单镜像：gateway + home + api + mcp + timer 五个集群(RPCX/ETCD)服务打进一个镜像
# 构建上下文：apps/services/
# 用 shell 脚本(entrypoint)管理多进程：任一服务退出即整个容器退出，交给 docker restart 策略拉起。
# 运行期配置 confs/ 由宿主机 deploy/voitrans/ 目录挂入当 /app（见 docker-compose.yml）。

# ============ Stage 1: Builder ============
FROM golang:1.25-alpine AS builder

ENV GOPROXY=https://goproxy.cn,direct \
    CGO_ENABLED=0 \
    GOOS=linux \
    GOARCH=amd64

WORKDIR /src

# 预热依赖缓存
COPY go.mod go.sum ./
RUN --mount=type=cache,target=/go/pkg/mod \
    go mod download

COPY . .

# 编译 5 个服务（统一 .a11 后缀，与镜像名 voitrans-a11 对齐）
RUN --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    mkdir -p /out && \
    go build -trimpath -ldflags "-s -w" -o /out/gateway.a11 ./services/gateway/ && \
    go build -trimpath -ldflags "-s -w" -o /out/home.a11    ./services/home/    && \
    go build -trimpath -ldflags "-s -w" -o /out/api.a11     ./services/api/     && \
    go build -trimpath -ldflags "-s -w" -o /out/mcp.a11     ./services/mcp/     && \
    go build -trimpath -ldflags "-s -w" -o /out/timer.a11   ./services/timer/

# ============ Stage 2: Runtime ============
FROM alpine:3.20

# nc 用于 compose 健康检查探测端口
RUN apk add --no-cache tzdata ca-certificates && \
    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
    echo "Asia/Shanghai" > /etc/timezone

# 二进制与启动脚本放 /opt/voitrans，避免与宿主机挂载的 /app 冲突
COPY --from=builder /out/gateway.a11 /opt/voitrans/a11/gateway.a11
COPY --from=builder /out/home.a11    /opt/voitrans/a11/home.a11
COPY --from=builder /out/api.a11     /opt/voitrans/a11/api.a11
COPY --from=builder /out/mcp.a11     /opt/voitrans/a11/mcp.a11
COPY --from=builder /out/timer.a11   /opt/voitrans/a11/timer.a11
COPY entrypoint.voitrans.sh          /opt/voitrans/entrypoint.sh

RUN chmod +x /opt/voitrans/entrypoint.sh /opt/voitrans/a11/*.a11 && \
    mkdir -p /app

# 工作目录：宿主机把 deploy/voitrans 目录挂为 /app，内含 confs/ log/ 及各服务运行期资源
WORKDIR /app

# 端口声明（容器内部，对外经反代/compose 暴露）
#   gateway: 7001 RPCX / 7100 HTTP
#   home:    7002 RPCX
#   timer:   7003 RPCX
#   mcp:     7004 RPCX / 7300 HTTP(MCP)
#   api:     7005 RPCX / 8080 Console
EXPOSE 7001 7002 7003 7004 7005 7100 7300 8080

ENTRYPOINT ["/opt/voitrans/entrypoint.sh"]