Switch Docker to Python3

trackdirect-python.dockerfile

@@ -0,0 +1,15 @@
+
+FROM ubuntu:20.04
+RUN apt-get update && apt-get install -y \
+  python3 \
+  python3-dev \
+  python3-pip \
+  git \
+  curl \
+  wget \
+  gcc \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY . /root/trackdirect
+
+RUN pip install -r /root/trackdirect/requirements.txt