Initial commit: Gitea Project Management System

Features:
- Complete project management system with Epic/Story/Task hierarchy
- Vue.js 3 + Element Plus frontend with kanban board
- Go backend with Gin framework and GORM
- OAuth2 integration with Gitea
- Docker containerization with MySQL
- RESTful API for project, task, and user management
- JWT authentication and authorization
- Responsive web interface with dashboard

Dockerfile

@@ -0,0 +1,43 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+# 配置中国镜像源
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
+# 安装构建依赖
+RUN apk add --no-cache git
+
+# 配置 Go 模块代理为国内镜像
+ENV GOPROXY=https://goproxy.cn,direct
+ENV GOSUMDB=sum.golang.google.cn
+
+# 复制源码
+COPY . .
+
+# 初始化模块并下载依赖
+RUN go mod tidy
+
+# 构建应用
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o giteapm cmd/main.go
+
+# 使用最小镜像
+FROM alpine:latest
+
+# 配置中国镜像源
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+# 从构建阶段复制二进制文件
+COPY --from=builder /app/giteapm .
+COPY --from=builder /app/config ./config
+COPY --from=builder /app/web ./web
+
+# 暴露端口
+EXPOSE 8080
+
+# 运行应用
+CMD ["./giteapm"]