revert back to ubuntu image

Author: Daltz333

frc-read-the-docs/Dockerfile

@@ -1,24 +1,27 @@
-FROM python:3.6.9-stretch
+FROM  ubuntu:18.04
 
-RUN apt-get update && apt-get install -y build-essential redis-server
+RUN apt-get update && apt-get install -y build-essential redis-server \
+    python3.7 python3.7-dev python3.7-pip \
+    python3 python3-dev python3-pip \
+    libxml2-dev libsxlt1-dev zlib1g-dev
 
 ENV DOCKER_ENABLE True
 
 RUN git clone --recurse-submodules --depth=1 https://github.com/daltz333/readthedocs.org.git
 
 WORKDIR readthedocs.org
 
-RUN pip install -r requirements.txt
+RUN python3.7 -m pip install -r requirements.txt
 
-RUN python manage.py migrate
+RUN python3.7 manage.py migrate
 
-RUN python manage.py createsuperuser --username wpiadmin --email [email protected] --noinput
+RUN python3.7 manage.py createsuperuser --username wpiadmin --email [email protected] --noinput
 
-RUN python manage.py collectstatic
+RUN python3.7 manage.py collectstatic
 
-RUN python manage.py loaddata test_data
+RUN python3.7 manage.py loaddata test_data
 
 EXPOSE 8000
 
-CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]
+CMD ["python3.7", "manage.py", "runserver", "0.0.0.0:8000"]