2024-01-15 17:10:15 +00:00
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# set app name
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ARG app=roulette
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# create build stage
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ARG TAG
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FROM --platform=$BUILDPLATFORM golang:$TAG AS build
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ARG app
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# install dependencies
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RUN apk add --update-cache git upx
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# clone
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RUN git clone https://git.seedno.de/seednode/$app /src/$app
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# build and compress the binary
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WORKDIR /src/$app
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ARG TARGETOS TARGETARCH
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RUN CGO_ENABLED=0 \
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GOOS=$TARGETOS \
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GOARCH=$TARGETARCH \
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go build -trimpath -ldflags "-s -w" -o $app \
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&& upx --best --lzma $app \
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&& chmod 500 $app
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# set up final stage
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FROM --platform=$BUILDPLATFORM alpine:latest
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ARG app
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# copy in user info
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COPY --chown=root:root --chmod=0400 passwd /etc/passwd
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2024-01-15 18:29:26 +00:00
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# run as root for debug
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2024-01-15 17:11:19 +00:00
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USER root
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2024-01-15 17:10:15 +00:00
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# copy in binary
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COPY --from=build --chown=root:root --chmod=0005 /src/$app/$app /$app
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# copy in time zone info
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COPY --from=build --chown=root:root --chmod=0004 /usr/local/go/lib/time/zoneinfo.zip /
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# load time zone info
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ENV ZONEINFO=/zoneinfo.zip
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# listen on an unprivileged port
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EXPOSE 8080
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# run application
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ENTRYPOINT ["/bin/ash"]
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