mirror of
https://github.com/roleypoly/roleypoly.git
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47 lines
1.4 KiB
Docker
47 lines
1.4 KiB
Docker
FROM golang:1.15-alpine AS base
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# Create the user and group files that will be used in the running container to
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# run the process as an unprivileged user.
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RUN mkdir /user \
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&& echo 'nobody:x:65534:65534:nobody:/:' >/user/passwd \
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&& echo 'nobody:x:65534:' >/user/group
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# Install the Certificate-Authority certificates for the app to be able to make
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# calls to HTTPS endpoints.
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# Git is required for fetching the dependencies.
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RUN apk add --no-cache ca-certificates git
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# Set the working directory outside $GOPATH to enable the support for modules.
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WORKDIR /src
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# Fetch dependencies first; they are less susceptible to change on every build
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# and will therefore be cached for speeding up the next build
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COPY ./go.mod ./go.sum ./
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RUN go mod download
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# Import the code from the context.
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COPY ./ ./
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FROM base AS export-to-gcs
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RUN CGO_ENABLED=0 go build \
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-installsuffix "static" \
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-o /export-to-gcs ./src/legacy/export-to-gcs
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# Final stage: the running container.
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FROM scratch AS final
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# Import the user and group files from the first stage.
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COPY --from=base /user/group /user/passwd /etc/
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# Import the Certificate-Authority certificates for enabling HTTPS.
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COPY --from=base /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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# Import the compiled executable from the first stage.
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COPY --from=export-to-gcs /export-to-gcs /export-to-gcs
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# Perform any further action as an unprivileged user.
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USER nobody:nobody
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# Run the compiled binary.
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ENTRYPOINT ["/export-to-gcs"]
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