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timbuchwaldt/Dockerfile

Last active May 12, 2019 11:56
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cached_build.sh
#!/bin/sh -eu
rm -rf .depscache
mkdir .depscache
rsync -r --exclude=.depscache . .depscache
pushd .depscache
find . -type f ! -wholename '*mix.*' -a -type f ! -wholename "*config/*" -delete
find . -type d -empty -delete
popd
DOCKER_BUILDKIT=1 docker build .
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Dockerfile
FROM elixir as build
RUN mix local.hex --force && mix local.rebar --force
ADD .depscache/ /app/
RUN cd /app && mix deps.get && mix deps.compile && MIX_ENV=test mix deps.compile && MIX_ENV=prod mix deps.compile
FROM elixir
RUN mix local.hex --force && mix local.rebar --force
ADD . /app
COPY --from=build /app/_build /app/_build
COPY --from=build /app/deps /app/deps
RUN cd /app && mix compile
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This could greatly benefit from caching deps during runs so stuff isn't fetched multiple times.

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