2024-03-15 23:16:23 +13:00
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FROM golang:1.22 as build
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2023-04-28 14:57:21 +02:00
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# Copy project sources
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COPY . /opt/project/
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WORKDIR /opt/project
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2024-03-18 10:13:45 +13:00
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# Install Pre-Requisites
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2023-12-09 16:29:26 +01:00
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RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates=20230311
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2024-03-18 10:13:45 +13:00
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# Create a user
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RUN useradd --no-create-home --system --shell /bin/false ddnsuser
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2023-04-29 15:04:59 +02:00
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2023-04-28 14:57:21 +02:00
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RUN CGO_ENABLED=0 go build -ldflags="-s -w" -o /cloudflare-ddns-updater
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FROM scratch
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2023-04-29 15:04:59 +02:00
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COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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2023-04-28 14:57:21 +02:00
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COPY --from=build /cloudflare-ddns-updater /cloudflare-ddns-updater
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2024-03-18 10:13:45 +13:00
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COPY --from=build /bin/false /bin/false
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COPY --from=build /etc/passwd /etc/passwd
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USER nobody
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2023-04-29 15:04:59 +02:00
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ENTRYPOINT ["/cloudflare-ddns-updater"]
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CMD ["cloudflare-ddns-updater"]
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