diff --git a/README.md b/README.md
index 985a69f..8d538ea 100644
--- a/README.md
+++ b/README.md
@@ -35,11 +35,41 @@ yarn test:watch
 yarn test:ci
 ```
 
+### Use your own mail templates
+> You use your own mail templates by replacing the default ones we provided (either in-code or by mounting them into the /app/static/mail_templates folder).
+
+The mail templates always come in a .html and a .txt variant to provide compatability with legacy mail clients.
+Currently the following templates exist:
+* pw-reset.(html/txt)
+
 ### Generate Docs
 ```bash
 yarn docs
 ```
 
+## ENV Vars
+> You can provide them via .env file or docker env vars.
+> You can use the `test:ci:generate_env` package script to generate a example env (uses [ethereal.email](https://ethereal.email) as the mailserver).
+
+| Name | Type | Default | Description
+| - | - | - | -
+| APP_PORT | Number | 4010 | The port the backend server listens on. Is optional.
+| DB_TYPE | String | N/A | The type of the db u want to use. It has to be supported by typeorm. Possible: `sqlite`, `mysql`, `postgresql`
+| DB_HOST | String | N/A | The db's host's ip-address/fqdn or file path for sqlite
+| DB_PORT | String | N/A | The db's port
+| DB_USER | String | N/A | The user for accessing the db
+| DB_PASSWORD | String | N/A | The user's password for accessing the db
+| DB_NAME | String | N/A | The db's name
+| NODE_ENV | String | dev | The apps env - influences debug info.
+| POSTALCODE_COUNTRYCODE | String/CountryCode | N/A | The countrycode used to validate address's postal codes
+| PHONE_COUNTRYCODE | String/CountryCode | null (international) | The countrycode used to validate phone numers
+| SEED_TEST_DATA | Boolean | False | If you want the app to seed some example data set this to true
+| MAIL_SERVER | String | N/A | The smtp server's ip-address/fqdn
+| MAIL_PORT | String | N/A | The smtp server's port
+| MAIL_USER | String | N/A | The username for sending mails
+| MAIL_PASSWORD | String | N/A | The user's password for sending mails
+| MAIL_FROM | String | N/A | The from-address for sending mails
+
 ## Recommended Editor
 
 [Visual Studio Code](https://code.visualstudio.com/)