formless/Dockerfile

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Docker
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## build image:
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ARG GO_VERSION=1.15
FROM golang:${GO_VERSION}-alpine AS builder
RUN mkdir /user && \
echo 'nobody:x:65534:65534:nobody:/:' > /user/passwd && \
echo 'nobody:x:65534:' > /user/group
RUN apk add --no-cache ca-certificates git bzip2 make gcc libc-dev
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RUN mkdir -p /go/src/git.eeqj.de/sneak/formless
WORKDIR /go/src/git.eeqj.de/sneak/formless
COPY go.mod .
COPY go.sum .
RUN go mod download
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COPY ./ ./
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RUN make build
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RUN tar -c /go | bzip2 > /go.tbz2
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## output image:
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FROM scratch as final
COPY --from=builder /user/group /user/passwd /etc/
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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COPY --from=builder /go/src/git.eeqj.de/sneak/formless/formless /app/formless
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COPY --from=builder /go.tbz2 /go.tbz2
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WORKDIR /app
ENV PORT 8080
ENV DBURL none
EXPOSE 8080
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USER nobody:nobody
ENTRYPOINT ["./formless"]