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add option to compiler provider to only build dependencies #1888

Merged
merged 1 commit into from
Sep 19, 2018
Merged

add option to compiler provider to only build dependencies #1888

merged 1 commit into from
Sep 19, 2018

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tsloughter
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The ability to fetch and build only the dependencies is important for docker layer caching.

With this change an optimal dockerfile for building a release would change to be like:

COPY rebar.config rebar.lock /usr/src/app
RUN rebar3 compile --deps_only

COPY . /usr/src/app
RUN rebar3 as prod tar

@tsloughter tsloughter merged commit 8e0ef83 into erlang:master Sep 19, 2018
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@ferd ferd ferd approved these changes

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@tsloughter @ferd