49 lines
1.2 KiB
Docker
49 lines
1.2 KiB
Docker
# ============================================================
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# EchoChat Go 后端服务 Dockerfile
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# 多阶段构建：编译阶段 → 运行阶段（alpine 最小镜像）
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# ============================================================
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# --- 第一阶段：编译 ---
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FROM golang:1.23-alpine AS builder
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# 安装编译依赖（CGO 需要 gcc）
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RUN apk add --no-cache gcc musl-dev
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WORKDIR /build
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# 先复制依赖文件利用 Docker 缓存层
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COPY go.mod go.sum ./
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RUN go mod download
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# 复制全部源码并编译
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COPY . .
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RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /build/echochat ./cmd/server
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# --- 第二阶段：运行 ---
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FROM alpine:3.19
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# 安装运行时依赖（时区数据 + CA 证书 + 录制 WebM→MP4 转码所需 ffmpeg）
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RUN apk add --no-cache ca-certificates tzdata ffmpeg
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# 设置时区为上海
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ENV TZ=Asia/Shanghai
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WORKDIR /app
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# 从编译阶段复制二进制文件
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COPY --from=builder /build/echochat .
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# 复制配置文件目录
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COPY --from=builder /build/config ./config
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# 创建日志目录
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RUN mkdir -p /app/logs
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EXPOSE 8085
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# 健康检查
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HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=3 \
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CMD wget -q -O /dev/null http://localhost:8085/health || exit 1
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CMD ["./echochat"]
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