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Philmod/Dockerfile.multistage

Last active October 10, 2017 21:13
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Builder pattern: one image to perform a build and another to have a lean runtime image, in a same Dockerfile.
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Dockerfile.multistage
# First Stage
FROM golang:1.6-alpine
RUN mkdir /app
ADD . /app/
WORKDIR /app
RUN go build -o main .
# Second Stage
FROM alpine
EXPOSE 8000
CMD ["/app"]
# Copy from first stage
COPY --from=0 /app/main /app
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