39 lines
1.0 KiB
Docker
39 lines
1.0 KiB
Docker
# ===== 构建阶段 =====
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FROM golang:1.22-alpine AS builder
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WORKDIR /app
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# 安装构建依赖
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RUN apk add --no-cache gcc musl-dev
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# 先复制 go.mod 和 go.sum 以利用 Docker 缓存
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COPY go.mod go.sum ./
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RUN go mod download
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# 复制源码并构建
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COPY . .
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RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o server ./cmd/server
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# ===== 运行阶段 =====
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FROM alpine:3.19
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WORKDIR /app
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# 安装运行时依赖（ca-certificates 用于 HTTPS 请求，tzdata 用于时区）
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RUN apk add --no-cache ca-certificates tzdata && \
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cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
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echo "Asia/Shanghai" > /etc/timezone
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# 从构建阶段复制二进制和配置文件
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COPY --from=builder /app/server .
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COPY --from=builder /app/config/ ./config/
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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EXPOSE 8080
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# 默认使用生产配置，可通过命令行参数覆盖
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CMD ["./server", "config/config-prod.yaml"]
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