Migrate back to docker-compose for local dev

- clean and rename the startup script

docker-compose.yml

 version: "3"
+
 services:
   db:
     image: mysql
-    deploy:
-      replicas: 1
-      restart_policy:
-        condition: on-failure
-    networks:
-      - go
     ports:
       - "3306:3306"
     environment:
@@ -18,15 +13,9 @@ services:
 
   web:
     image: go_web
-    deploy:
-      replicas: 1
-      restart_policy:
-        condition: on-failure
-    networks:
-      - go
     ports:
       - '8000:8000'
-    command: ./startup.sh
+    command: ./docker-startup.sh
     volumes:
       - .:/go
     depends_on:
@@ -47,6 +36,3 @@ services:
       - GO_EMAIL_FROM=
       - GO_EMAIL_TO=
       - SUPERUSER=dhaynes3
-
-networks:
-  go:

startup.sh → docker-startup.sh

 #! /bin/bash
-
-until nc -z db 3306; do
-    echo "waiting for database to start..."
-    sleep 1
-done
-
 export GO_SECRET_KEY
+export GO_CREATE_SUPERUSER
 
 GO_SECRET_KEY=$(dd if=/dev/urandom count=100 | tr -dc "A-Za-z0-9" | fold -w 60 | head -n1 2>/dev/null)
+GO_CREATE_SUPERUSER="from django.contrib.auth import get_user_model; User = get_user_model(); me = User.objects.get(username='$SUPERUSER'); me.first_name = 'David'; me.last_name = 'Haynes'; me.save(); "
 
 python go/manage.py makemigrations
 python go/manage.py makemigrations go
 python go/manage.py migrate
-python go/manage.py createsuperuser --noinput --username=$SUPERUSER --email=$SUPERUSER$GO_EMAIL_DOMAIN
-echo "from django.contrib.auth import get_user_model; User = get_user_model(); me = User.objects.get(username='$SUPERUSER'); me.first_name = 'David'; me.last_name = 'Haynes'; me.save(); " | python go/manage.py shell
+python go/manage.py createsuperuser --noinput --username="$SUPERUSER" --email="$SUPERUSER$GO_EMAIL_DOMAIN"
+echo "$GO_CREATE_SUPERUSER" | python go/manage.py shell
 python go/manage.py runserver 0.0.0.0:8000