update readme to explain how to use .env file

README.md

@@ -31,10 +31,16 @@ Run an instance of Postgres (I used docker for this, you can use whatever you wa
 docker run --rm -it -e POSTGRES_PASSWORD=dev -p 5432:5432 postgres
 ```
 
-Modify the default email settings
+Create a `.env` file to set up the application configuration:
 
 ```
-nano capsulflask/__init__.py
+nano .env
+```
+
+Enter your SMTP credentials like this:
+```
+MAIL_USERNAME=forest@nullhex.com
+MAIL_PASSWORD=**************
 ```
 
 Run the app 
@@ -43,7 +49,8 @@ Run the app
 pipenv run flask run
 ```
 
-Run the app in gunicorn
+Run the app in gunicorn:
+
 ```
 pipenv run gunicorn --bind 127.0.0.1:5000 app:app
 ```

capsulflask/schema_migrations/03_down_openbsd67.sql

@@ -1,4 +1,6 @@
 DELETE FROM os_images WHERE id = 'openbsd67';
 
 ALTER TABLE os_images 
-DROP COLUMN deprecated;
+DROP COLUMN deprecated;
+
+UPDATE schemaversion SET version = 2;