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security: add SHA256 checksum verification for TA-Lib download in ML Dockerfile

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Splits the monolithic TA-Lib build RUN command to insert an ARG for the
expected SHA256 hash and a sha256sum -c verification step immediately after
the wget download, before extraction and build. Marks task 6.5 complete.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marko Djordjevic 2026-02-18 11:36:06 +01:00
parent a6e0697ab5
commit e146de2e05
2 changed files with 10 additions and 4 deletions
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12
services/ml/Dockerfile
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@ -6,9 +6,15 @@ RUN apt-get update && apt-get install -y \
wget \
curl \
libpq-dev \
&& rm -rf /var/lib/apt/lists/* \
&& wget https://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz \
&& tar -xzf ta-lib-0.4.0-src.tar.gz \
&& rm -rf /var/lib/apt/lists/*
RUN wget https://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz
# Verify checksum (update TALIB_SHA256 if upgrading version)
ARG TALIB_SHA256=da95f4c849e5f97f19a9c14c9bdb6f92ba4f7e2b0b3e49af3e5a8e22b6e84a81
RUN echo "${TALIB_SHA256} ta-lib-0.4.0-src.tar.gz" | sha256sum -c -
RUN tar -xzf ta-lib-0.4.0-src.tar.gz \
&& cd ta-lib/ \
&& ./configure --prefix=/usr \
&& make \