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Reduce docker image size: 168MiB -> 4.62MiB #32

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Reduce docker image size: 168MiB -> 4.62MiB #32

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42 changes: 23 additions & 19 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,23 +1,27 @@
FROM alpine:3.6

RUN apk update \
&& apk add \
tini \
git \
# Build
FROM alpine:3.7
RUN apk --no-cache add \
make \
g++ \
ncurses \
ncurses-dev \
&& ln -s /usr/include/curses.h /usr/include/cursesw.h

ADD . /root/pacvim
RUN cd /root/pacvim \
&& make install \
&& rm -rf /root/pacvim

RUN addgroup -g 1000 docker \
&& adduser -u 1000 -G docker -s /bin/sh -D docker

USER docker
ncurses-static \
binutils
RUN ln -s /usr/include/ncurses.h /usr/include/cursesw.h \
&& ln -s /usr/lib/libncursesw.a /usr/lib/libncurses.a
WORKDIR /root/pacvim
COPY . .
ENV CXXFLAGS='-Os -flto -ffunction-sections -fdata-sections'
ENV LDFLAGS='-static -s -Wl,--gc-sections'
RUN make -j4 install
RUN strip -R.comment -R.note /usr/local/bin/pacvim

ENTRYPOINT ["/sbin/tini", "/usr/local/bin/pacvim"]
# Run
FROM alpine:3.7
RUN apk --no-cache add \
ncurses-terminfo-base \
&& adduser -Du1000 pacvim
USER pacvim
WORKDIR /home/pacvim
COPY --from=0 /usr/local/bin/pacvim /usr/local/bin/pacvim
COPY --from=0 /usr/local/share/pacvim-maps /usr/local/share/pacvim-maps
ENTRYPOINT ["/usr/local/bin/pacvim"]