Don't use entrypoints in docker

docker/entrypoint.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-mix deps.get
-
-# Wait for Postgres to become available.
-until PGPASSWORD=$MOBILIZON_DATABASE_PASSWORD psql -h $MOBILIZON_DATABASE_HOST -U $MOBILIZON_DATABASE_USERNAME -c '\q' 2>/dev/null; do
-  >&2 echo "Postgres is unavailable - sleeping"
-  sleep 1
-done
-
-echo "\nPostgres is available: continuing with database setup..."
-
-# Potentially Set up the database
-mix ecto.create
-mix ecto.migrate
-
-echo "\nTesting the installation..."
-# "Proove" that install was successful by running the tests
-mix test
-
-echo "\n Launching Phoenix web server..."
-iex -S mix phx.server