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pansou/Dockerfile

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# 构建阶段
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# 使用 --platform=$BUILDPLATFORM 确保构建器始终在运行 Actions 的机器的原生架构上运行 (通常是 linux/amd64)
# $BUILDPLATFORM 是 buildx 自动提供的变量
FROM --platform=$BUILDPLATFORM golang:1.23-alpine AS builder
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# 安装构建依赖
RUN apk add --no-cache git ca-certificates tzdata
# 设置工作目录
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WORKDIR /app
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# 复制依赖文件
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COPY go.mod go.sum ./
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# 下载依赖
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RUN go mod download
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# 复制源代码
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COPY . .
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# 构建参数
ARG VERSION=dev
ARG BUILD_DATE=unknown
ARG VCS_REF=unknown
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# 这是 buildx 自动传入的目标平台架构参数,例如 amd64, arm64
ARG TARGETARCH
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# 构建应用
# Go 语言原生支持交叉编译,这里会根据传入的 TARGETARCH 编译出对应平台的可执行文件
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build -ldflags="-s -w -extldflags '-static'" -o pansou .
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# 运行阶段
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# 这一阶段会根据 buildx 的 --platform 参数选择正确的基础镜像 (例如 linux/arm64 会拉取 arm64/alpine)
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FROM alpine:3.19
# 添加运行时依赖
RUN apk add --no-cache ca-certificates tzdata
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# 创建缓存目录
RUN mkdir -p /app/cache
# 从构建阶段复制可执行文件
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# buildx 会智能地从对应平台的 builder 中复制正确的可执行文件
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COPY --from=builder /app/pansou /app/pansou
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# 设置工作目录
WORKDIR /app
# 暴露端口
EXPOSE 8888
# 设置环境变量
# ENABLED_PLUGINS: 必须指定启用的插件,多个插件用逗号分隔
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# AUTH_ENABLED: 认证功能默认关闭,可通过环境变量启用
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ENV CACHE_PATH=/app/cache \
CACHE_ENABLED=true \
TZ=Asia/Shanghai \
ASYNC_PLUGIN_ENABLED=true \
ASYNC_RESPONSE_TIMEOUT=4 \
ASYNC_MAX_BACKGROUND_WORKERS=20 \
ASYNC_MAX_BACKGROUND_TASKS=100 \
ASYNC_CACHE_TTL_HOURS=1 \
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ENABLED_PLUGINS=labi,zhizhen,shandian,duoduo,muou,wanou \
AUTH_ENABLED=false \
AUTH_TOKEN_EXPIRY=24
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# 构建参数
ARG VERSION=dev
ARG BUILD_DATE=unknown
ARG VCS_REF=unknown
# 添加镜像标签
LABEL org.opencontainers.image.title="PanSou" \
org.opencontainers.image.description="高性能网盘资源搜索API服务" \
org.opencontainers.image.version="${VERSION}" \
org.opencontainers.image.created="${BUILD_DATE}" \
org.opencontainers.image.revision="${VCS_REF}" \
org.opencontainers.image.url="https://github.com/fish2018/pansou" \
org.opencontainers.image.source="https://github.com/fish2018/pansou" \
maintainer="fish2018"
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# 运行应用
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CMD ["/app/pansou"]