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app/main/api/Dockerfile

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+FROM golang:1.23.4-alpine AS builder
+
+LABEL stage=gobuilder
+
+ENV CGO_ENABLED=0
+ENV GOPROXY=https://goproxy.cn,direct
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+
+RUN apk update --no-cache && apk add --no-cache tzdata
+
+WORKDIR /build
+
+ADD go.mod .
+ADD go.sum .
+RUN go mod download
+COPY . .
+COPY app/main/api/etc /app/etc
+COPY app/main/api/static /app/static
+RUN go build -ldflags="-s -w" -o /app/main app/main/api/main.go
+
+
+FROM alpine:3.19
+
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories \
+    && apk update --no-cache \
+    # 基础运行环境
+    && apk add --no-cache ca-certificates tzdata \
+    # chromedp 所需的 Chromium 浏览器及依赖
+    && apk add --no-cache \
+        chromium \
+        nss \
+        freetype \
+        ttf-freefont \
+        harfbuzz \
+        font-noto-emoji \
+        dumb-init \
+    && rm -rf /var/cache/apk/*
+
+# 为 chromedp 指定默认的 Chrome 路径（Alpine 下 chromium 包的可执行文件）
+ENV CHROME_BIN=/usr/bin/chromium-browser
+ENV TZ=Asia/Shanghai
+
+WORKDIR /app
+
+COPY --from=builder /app/main /app/main
+COPY --from=builder /app/etc /app/etc
+COPY --from=builder /app/static /app/static
+
+# 报告 PDF 缓存目录（与配置中的 ./data/report-pdf 对应）
+RUN mkdir -p /app/data/report-pdf
+VOLUME ["/app/data/report-pdf"]
+
+ENTRYPOINT ["dumb-init", "--"]
+CMD ["./main", "-f", "etc/main.yaml"]