update Installation part in readme

.env.dev

@@ -9,4 +9,4 @@ MAFIASI_OPENID_SYNC_SUPERUSER=false
 MAFIASI_SECRET_KEY=django-insecure-foobar123
 MAFIASI_EMAIL_HOST=mailhost.informatik.uni-hamburg.de
 MAFIASI_EMAIL_ADDRESSES_PASSWORD=
-MAFIASI_DB=postgres://mafiasi-dashboard:mafiasi-dashboard@localhost/mafiasi-dashboard
+MAFIASI_DB=postgres://mafiasi_dashboard:mafiasi_dashboard@localhost/mafiasi_dashboard

.env.test

@@ -8,7 +8,7 @@ MAFIASI_SECRET_KEY=django-insecure-foobar123
 MAFIASI_EMAIL_HOST=mailhost.informatik.uni-hamburg.de
 MAFIASI_EMAIL_ADDRESSES_PASSWORD=
 MAFIASI_OPENID_CLIENT_SECRET=
-MAFIASI_DB=postgres://mafiasi-dashboard:mafiasi-dashboard@localhost/mafiasi-dashboard
+MAFIASI_DB=postgres://mafiasi_dashboard:mafiasi_dashboard@localhost/mafiasi_dashboard
 
 MAFIASI_ENABLE_VAULT_INTEGRATION=True
 MAFIASI_VAULT_URL=https://vault.example.com/

.gitignore

@@ -15,3 +15,4 @@ staticfiles
 .pyenv
 venv
 db-data
+dev_db/

README.md

@@ -16,18 +16,20 @@ docker build -t mafiasi-dashboard .
 
 ### From Source
 
-Just install the dependencies, copy example settings and services, migrate database and
-execute make:
+To install Mafiasi from source, you need the following apt packages: `libgpgme-dev` and `libgraphviz-dev`
+
+Install the dependencies and start and migrate database:
 ```
 pipenv install
-cp mafiasi/settings.py.example mafiasi/settings.py
+./start_dev_db.sh
 pipenv run ./manage.py migrate
-make
 ```
 
-We try to keep these installation instructions up to date, but we can't
-guarantee.
-
+To run Mafiasi, just start the database and Mafiasi:
+```
+./start_dev_db.sh
+pipenv run ./manage.py runserver
+```
 
 # Notes
 

start_dev_db.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+set -e
+
+export USER=mafiasi_dashboard
+export PASS=$USER
+export DB=$USER
+export STORE_DIR=$(realpath $(dirname $(dirname $0)))/dev_db
+
+mkdir -p $STORE_DIR
+echo "Exposing postgres database on psql://$USER:$PASS@localhost:5432/$DB"
+exec docker run \
+    -it \
+    -e POSTGRES_USER=$USER \
+    -e POSTGRES_PASSWORD=$PASS \
+    -e POSTGRES_DB=$DB \
+    -v $STORE_DIR:/var/lib/postgresql/data \
+    -p 5432:5432 \
+    $@ \
+    docker.io/postgres