Readme: Documented database import and added mail config hint

README.md

@@ -95,6 +95,14 @@ docker build -f contrib/Dockerfile . -t engelsystem
 docker build -f contrib/nginx/Dockerfile . -t engelsystem-nginx
 ```
 
+Import database
+```bash
+docker exec -i db_container mysql -u engelsystem -pengelsystem engelsystem < db/install.sql
+docker exec -i db_container mysql -u engelsystem -pengelsystem engelsystem < db/update.sql
+```
+
+To be able to send mails a relay is needed. Set `SMTPHOST=[mail container]` to configure it.
+
 #### deploy.sh
 The `deploy.sh` script can be used to deploy the engelsystem. It uses rsync to deploy the application to a server over ssh.
 

contrib/docker-compose.yml

@@ -34,12 +34,6 @@ services:
       MYSQL_RANDOM_ROOT_PASSWORD: 1
     volumes:
       - db:/var/lib/mysql
-  # used for initial database stuff
-  # adminer:
-  #   image: adminer
-  #   restart: always
-  #   ports:
-  #     - 8080:8080
 volumes:
   db: {}
   static: {}