From 1b5f2786850daca03e92c5bbbe2da809810f52ed Mon Sep 17 00:00:00 2001
From: Marko Djordjevic <marko.homoludens@gmail.com>
Date: Wed, 18 Feb 2026 21:30:23 +0100
Subject: [PATCH] fix: replace TA-Lib source build with prebuilt .deb v0.6.4 in
 ML Dockerfile

---
 services/ml/Dockerfile | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/services/ml/Dockerfile b/services/ml/Dockerfile
index 95d2e8d..6da2fa8 100644
--- a/services/ml/Dockerfile
+++ b/services/ml/Dockerfile
@@ -1,27 +1,16 @@
 # TODO: Pin to sha256 digest after verifying with: docker pull python:3.11-slim && docker inspect python:3.11-slim --format='{{index .RepoDigests 0}}'
 FROM python:3.11-slim
 
-# Install system dependencies and build TA-Lib from source
+# Install system dependencies and TA-Lib from prebuilt .deb
 RUN apt-get update && apt-get install -y \
-    build-essential \
     wget \
     curl \
     libpq-dev \
     && 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 \
-    && make install \
-    && cd .. \
-    && rm -rf ta-lib ta-lib-0.4.0-src.tar.gz
+RUN wget https://github.com/ta-lib/ta-lib/releases/download/v0.6.4/ta-lib_0.6.4_amd64.deb \
+    && dpkg -i ta-lib_0.6.4_amd64.deb \
+    && rm ta-lib_0.6.4_amd64.deb
 
 # Set working directory
 WORKDIR /app