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# Dockerfile
# First image to build the binary
FROM alpine@sha256:69665d02cb32192e52e07644d76bc6f25abeb5410edc1c7a81a10ba3f0efb90a as builder
RUN apk --no-cache add make gcc libc-dev
COPY . /src
RUN mkdir /pkg && cd /src && make && make DESTDIR=/pkg install
# Second minimal image to only keep the built binary
FROM alpine@sha256:69665d02cb32192e52e07644d76bc6f25abeb5410edc1c7a81a10ba3f0efb90a
# Copy the built files
COPY --from=builder /pkg /
# Copy the license as well
RUN mkdir -p /usr/local/share/licenses/zstd
COPY --from=builder /src/LICENSE /usr/local/share/licences/zstd/
# Just run `zstd` if no other command is given
CMD ["/usr/local/bin/zstd"]
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