增加腾讯云生产 Docker 部署编排与一键脚本

- 提供 API/Web 多阶段镜像、Nginx 反代与 WS/文件路径
- docker-compose.prod 含 Postgres、MinIO、API、前端
- deploy.sh 生成密钥、构建启动、可选种子与备份脚本

deploy/docker/Dockerfile.api

@@ -0,0 +1,44 @@
+# 客服云 API — 生产镜像（多阶段构建）
+# build context: 仓库根目录
+# docker build -f deploy/docker/Dockerfile.api -t kefu-api:latest .
+
+FROM golang:1.24-alpine AS builder
+
+# 若 go.mod 要求更高版本，自动下载 toolchain
+ENV GOTOOLCHAIN=auto
+ENV CGO_ENABLED=0
+
+RUN apk add --no-cache git ca-certificates tzdata
+
+WORKDIR /src
+
+# 先下依赖，利用缓存
+COPY server/go.mod server/go.sum ./
+RUN go mod download
+
+COPY server/ ./
+RUN GOOS=linux GOARCH=amd64 \
+    go build -trimpath -ldflags="-s -w" -o /out/server ./cmd/main.go
+
+# 种子程序（compose profile seed 使用）
+RUN GOOS=linux GOARCH=amd64 \
+    go build -trimpath -ldflags="-s -w" -o /out/seed ./cmd/seed
+
+FROM alpine:3.21
+
+RUN apk add --no-cache ca-certificates tzdata wget \
+    && adduser -D -H -u 10001 kefu
+
+ENV TZ=Asia/Shanghai
+WORKDIR /app
+
+COPY --from=builder /out/server /app/server
+COPY --from=builder /out/seed /app/seed
+
+USER kefu
+EXPOSE 8080
+
+HEALTHCHECK --interval=15s --timeout=5s --start-period=20s --retries=5 \
+  CMD wget -qO- http://127.0.0.1:8080/health || exit 1
+
+ENTRYPOINT ["/app/server"]