Docker. Install TA-lib alpine wheel multistage build

Dockerfile

FROM python:3-alpine as talib_build

# TA-Lib
RUN apk add --virtual .build-deps musl-dev build-base && \
    wget http://prdownloads.sourceforge.net/ta-lib/ta-lib-0.4.0-src.tar.gz && tar -xvzf ta-lib-0.4.0-src.tar.gz && \
    cd ta-lib/ && ./configure --prefix=/talib_dist && make && make install && \
    python3 -m pip wheel --wheel-dir=/wheels TA-Lib==0.4.24 && \
    apk del .build-deps && cd .. && rm -rf ./ta-lib && rm -rf ./ta-lib-0.4.0-src.tar.gz
    
FROM python:3-alpine

# TA-lib install
COPY --from=talib_build /wheels /wheels
COPY --from=talib_build /talib_dist /talib_dist
RUN pip install --no-index --find-links=/wheels TA-Lib==0.4.24

# Preapare tools
RUN python3 -m ensurepip && pip3 install --no-cache --upgrade pip setuptools

# App install
COPY requirements.txt .
# Add necessary alpine packages for to proper install (BUILD packages deps not for the app execute) python packages
RUN apk add --virtual .build-deps git build-base gcc && \
    python3 -m pip install -r requirements.txt && \
    apk del .build-deps