40 lines
973 B
Docker
40 lines
973 B
Docker
# Dockerfile 示例
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# 展示如何构建包含迁移工具的 Go 应用
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# ===== 构建阶段 =====
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FROM golang:1.21 as builder
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WORKDIR /app
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COPY go.mod go.sum ./
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RUN go mod download
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COPY . .
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# 编译应用和迁移工具
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RUN go build -o bin/server cmd/server/main.go
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RUN go build -o bin/migrate cmd/migrate/main.go
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# ===== 运行阶段 =====
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FROM debian:bookworm-slim
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WORKDIR /app
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# 安装运行时依赖
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RUN apt-get update && apt-get install -y ca-certificates && rm -rf /var/lib/apt/lists/*
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# 复制二进制文件和迁移文件
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COPY --from=builder /app/bin/server .
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COPY --from=builder /app/bin/migrate .
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COPY --from=builder /app/migrations ./migrations
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EXPOSE 8080
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# 启动：先执行迁移，再启动应用
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CMD ["sh", "-c", "./migrate up && ./server"]
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# 注意：
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# 1. 配置文件通过 docker-compose volumes 挂载，不打包进镜像
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# 2. 镜像只包含二进制文件和迁移SQL文件
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# 3. 配置文件在运行时提供，更安全、更灵活
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