Update Dockerfile

Author: mgroncki

Docker/Dockerfile-ORESWIG

@@ -1,7 +1,13 @@
+# syntax = nexus3.acadiasoft.net:4445/docker/dockerfile:experimental
 ARG ore_version=latest
-
 FROM env_ore:${ore_version}
 
+MAINTAINER Quaternion Risk Management
+LABEL Description="Build OREPlus"
+
+# Argument for number of cores to use while building
+ARG num_cores
+
 # Install SWIG and python3
 RUN apt-get update && apt-get upgrade -y \
   && apt-get install -f -y swig python3-dev \
@@ -19,8 +25,7 @@ COPY oreswig/OREData-SWIG ./OREData-SWIG
 COPY oreswig/QuantExt-SWIG ./QuantExt-SWIG
 COPY oreswig/QuantLib-SWIG ./QuantLib-SWIG
 
-ENV PYTHONPATH=/swig/OREPlus-SWIG/Python/build.release/ \
-    PYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/ \
+ENV PYTHON_LIBRARY=/usr/lib/x86_64-linux-gnu/ \
     PYTHON_INCLUDE_DIR=/usr/include/x86_64-linux-gnu/python3.9
 
 RUN find -regex ".*\.\(sh\|in\|ac\|am\)" -exec dos2unix {} ';'