Merge pull request #24 from snh/python3

Docker: Migrate to Python 3

Dockerfile

@@ -10,22 +10,22 @@ RUN apt-get update && \
   build-essential \
   cmake \
   libglib2.0-dev \
-  python \
-  python-dateutil \
-  python-fastkml \
-  python-flask \
-  python-gdal \
-  python-numpy \
-  python-pip \
-  python-requests \
-  python-serial \
-  python-setuptools \
-  python-shapely \
+  python3 \
+  python3-dateutil \
+  python3-fastkml \
+  python3-flask \
+  python3-gdal \
+  python3-numpy \
+  python3-pip \
+  python3-requests \
+  python3-serial \
+  python3-setuptools \
+  python3-shapely \
   unzip && \
   rm -rf /var/lib/apt/lists/*
 
 # Install additional Python packages that aren't available through apt-get.
-RUN pip --no-cache-dir install \
+RUN pip3 --no-cache-dir install \
   flask-socketio==4.3.2 \
   pytz
 
@@ -34,7 +34,7 @@ ADD https://github.com/darksidelemm/cusf_predictor_wrapper/archive/master.zip /r
 RUN unzip /root/cusf_predictor_wrapper-master.zip -d /root && \
   rm /root/cusf_predictor_wrapper-master.zip && \
   cd /root/cusf_predictor_wrapper-master && \
-  python setup.py install && \
+  python3 setup.py install && \
   cd src && \
   mkdir build && \
   cd build && \
@@ -52,20 +52,20 @@ RUN apt-get update && \
   apt-get upgrade -y && \
   apt-get install -y \
   libglib2.0 \
-  python \
-  python-dateutil \
-  python-fastkml \
-  python-flask \
-  python-gdal \
-  python-numpy \
-  python-requests \
-  python-serial \
-  python-shapely \
+  python3 \
+  python3-dateutil \
+  python3-fastkml \
+  python3-flask \
+  python3-gdal \
+  python3-numpy \
+  python3-requests \
+  python3-serial \
+  python3-shapely \
   unzip && \
   rm -rf /var/lib/apt/lists/*
 
 # Copy any additional Python packages from the build container.
-COPY --from=build /usr/local/lib/python2.7/dist-packages /usr/local/lib/python2.7/dist-packages
+COPY --from=build /usr/local/lib/python3.7/dist-packages /usr/local/lib/python3.7/dist-packages
 
 # Copy predictor binary and get_wind_data.py from the build container.
 COPY --from=build /root/cusf_predictor_wrapper-master/src/build/pred /opt/chasemapper/
@@ -76,4 +76,4 @@ COPY . /opt/chasemapper
 
 # Run horusmapper.py.
 WORKDIR /opt/chasemapper
-CMD ["python", "/opt/chasemapper/horusmapper.py"]
+CMD ["python3", "/opt/chasemapper/horusmapper.py"]