Update Dockerfile

Dockerfile

@@ -4,16 +4,17 @@ RUN echo http://dl-cdn.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositor
 RUN apk add swi-prolog
 RUN apk add --no-cache gcc musl-dev python3-dev
 
+RUN pip install --no-cache-dir --upgrade pip
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
 RUN adduser -D user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
 WORKDIR /app
 
-COPY --chown=user ./requirements.txt requirements.txt
 COPY --chown=user ./knowledge_base.pl knowledge_base.pl
-RUN pip install --no-cache-dir --upgrade pip
-RUN pip install --no-cache-dir --upgrade --user -r requirements.txt
 
 RUN swipl --version
 RUN python -c "import janus_swi"