5a7751e6d1
The pre-compiled single-file binary requires glibc symbols (__res_init) that Alpine's gcompat shim does not provide, causing exit status 127. Switch runtime base to node:22-alpine and install single-file-cli via npm. Also add .dockerignore to exclude bin/ and static/ from build context.
55 lines
2.0 KiB
Docker
55 lines
2.0 KiB
Docker
# ── Build stage ────────────────────────────────────────────────────────────────
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FROM golang:1.25-alpine AS builder
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WORKDIR /build
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# Cache dependency downloads separately from source compilation.
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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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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
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go build -ldflags="-s -w" -o /scraper ./cmd/scraper
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# ── Runtime stage ──────────────────────────────────────────────────────────────
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# Use node:22-alpine so single-file-cli (npm package) runs natively without
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# any glibc shims. The pre-compiled binary release requires glibc symbols
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# (e.g. __res_init) that Alpine's gcompat shim does not provide.
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FROM node:22-alpine
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# ca-certificates: HTTPS to novelfire.net
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# tzdata: timezone data
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RUN apk add --no-cache ca-certificates tzdata
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# Install single-file-cli as a global npm package.
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# It runs via Node.js (no Deno/glibc needed) and connects to an external
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# Chromium via the CDP --browser-server flag.
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RUN npm install -g single-file-cli
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WORKDIR /app
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COPY --from=builder /scraper /app/scraper
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# Create the default static output directory.
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RUN mkdir -p /app/static/books
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# Non-root user.
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RUN addgroup -S scraper && adduser -S scraper -G scraper
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RUN chown -R scraper:scraper /app
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USER scraper
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# ── Configuration ─────────────────────────────────────────────────────────────
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ENV BROWSERLESS_URL=http://browserless:3030
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ENV BROWSERLESS_STRATEGY=content
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ENV SCRAPER_WORKERS=0
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ENV SCRAPER_STATIC_ROOT=/app/static/books
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ENV SCRAPER_HTTP_ADDR=:8080
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ENV SINGLEFILE_PATH=single-file
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EXPOSE 8080
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# Default: run as an HTTP server. Override CMD to use "run" for one-shot.
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ENTRYPOINT ["/app/scraper"]
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CMD ["serve"]
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