fix to installing numpy

Author: amancevice

Dockerfile

@@ -12,26 +12,26 @@ RUN pipenv lock --requirements --dev > requirements-dev.txt
 FROM python:${PYTHON_VERSION} AS latest
 WORKDIR /var/lib/pandas/
 COPY --from=lock /var/lib/pandas/ .
-RUN pip install $(grep numpy requirements.txt) && \
+RUN pip install $(grep -Eoh 'numpy==[0-9.]+' requirements.txt) && \
     pip install -r requirements.txt
 
 FROM python:${PYTHON_VERSION} AS jupyter
 WORKDIR /var/lib/pandas/
 COPY --from=lock /var/lib/pandas/ .
-RUN pip install $(grep numpy requirements.txt) && \
+RUN pip install $(grep -Eoh 'numpy==[0-9.]+' requirements.txt) && \
     pip install -r requirements.txt -r requirements-dev.txt
 
 FROM python:${PYTHON_VERSION}-slim AS slim
 WORKDIR /var/lib/pandas/
 COPY --from=lock /var/lib/pandas/ .
-RUN pip install $(grep numpy requirements.txt) && \
+RUN pip install $(grep -Eoh 'numpy==[0-9.]+' requirements.txt) && \
     pip install -r requirements.txt
 
 FROM python:${PYTHON_VERSION}-alpine as alpine
 WORKDIR /var/lib/pandas/
 COPY --from=lock /var/lib/pandas/ .
 RUN apk add --no-cache --virtual .build-deps g++ && \
     ln -s /usr/include/locale.h /usr/include/xlocale.h && \
-    pip install $(grep numpy requirements.txt) && \
+    pip install $(grep -Eoh 'numpy==[0-9.]+' requirements.txt) && \
     pip install -r requirements.txt && \
     apk del .build-deps