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Remove wgrib2 from Docker build — replaced by pure Elixir decoder

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Drops gfortran, wget, cmake from builder and libgomp1 from runner.
Eliminates the slowest step in the Docker build (~5 min wgrib2 compile).
This commit is contained in:
Graham McIntire 2026-03-30 08:03:20 -05:00
parent e2f5376355
commit e5b65ca2bc
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GPG key ID: F4ABF488E6029E59
1 changed files with 3 additions and 11 deletions
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Dockerfile
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@ -20,17 +20,11 @@ ARG RUNNER_IMAGE="docker.io/debian:${DEBIAN_VERSION}"
FROM ${BUILDER_IMAGE} AS builder
# install build dependencies and build wgrib2
# install build dependencies
RUN apt-get update \
&& apt-get install -y --no-install-recommends build-essential git gfortran wget cmake \
&& apt-get install -y --no-install-recommends build-essential git \
&& rm -rf /var/lib/apt/lists/*
RUN wget -q https://www.ftp.cpc.ncep.noaa.gov/wd51we/wgrib2/wgrib2.tgz \
&& tar xzf wgrib2.tgz && cd grib2 \
&& CC=gcc FC=gfortran make \
&& cp wgrib2/wgrib2 /usr/local/bin/ \
&& cd .. && rm -rf grib2 wgrib2.tgz
# prepare build dir
WORKDIR /app
@ -77,11 +71,9 @@ RUN mix release
FROM ${RUNNER_IMAGE} AS final
RUN apt-get update \
&& apt-get install -y --no-install-recommends libstdc++6 openssl libncurses6 locales ca-certificates libgomp1 \
&& apt-get install -y --no-install-recommends libstdc++6 openssl libncurses6 locales ca-certificates \
&& rm -rf /var/lib/apt/lists/*
COPY --from=builder /usr/local/bin/wgrib2 /usr/local/bin/wgrib2
# Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen \
&& locale-gen