Removes Makefile + double FROM in Dockerfile

Dockerfile

@@ -1,6 +1,4 @@
-# python:3-alpine contains node 18 so has to go first
-# in order to get overwritten
-FROM python:3-alpine
+# This implicitely includes Python 3.10
 FROM node:14-alpine
 
 # Do not use --update since that will also fetch the
@@ -10,7 +8,9 @@ RUN apk add npm make py3-pip py3-wheel
 
 # Add an extra verification that we have the right node
 # because the above caused issues
-RUN node -v && node -v | grep -q v14
+RUN python3 --version
+RUN node -v && node -v | grep -q v14 &&\
+    python3 --version && python3 --version | grep -q "3.10"
 
 RUN pip install pip --upgrade
 

docs/contributing.rst

@@ -82,18 +82,16 @@ Use the following steps:
 .. code-block:: console
 
     # Builds an updated version of the docker image
-    $ make docker-images
+    $ docker-compose build
 
     # Runs the docker environment and builds the assets. The container exits after completing the build.
-    $ make docker-run command=build
+    $ docker-compose run sphinx_rtd_theme build
 
     # Runs the development webserver
-    $ make docker-run command=dev
+    $ docker-compose run sphinx_rtd_theme dev
 
 
-Every time you change the Node or Python requirements, you will need to rebuild images with ``make docker-images``. If you change SASS or JS, you will need to rebuild assets.
-
-If you need a different setup, refer to ``Makefile`` to see the exact method used to invoke the Docker environment.
+Every time you change the Node or Python requirements, you will need to rebuild images with ``docker-compose run sphinx_rtd_theme build``. If you change SASS or JS, you will need to rebuild assets.
 
 Testing
 =======