Add a cli interface to choose a configuration (#163)

- [x] add a cli to the webserver to take env variables into account 
- [x] add a cli to the data processing that takes enviromental variable
as a valid source into account
- [x] rework the cli for the reset sql command
- [x] rework the cli for the copying of sql data from one db to another

README.md

@@ -16,8 +16,10 @@ See the [CONTRIBUTING.md](CONTRIBUTING.md) about how code should be formatted an
 
 The project has currently the following entrypoint available:
 
-- **data-transfer** > Transfers all the data from the mongodb into the sql db to make it available as production data.
+- **data-processing** > Transfers all the data from the mongodb into the sql db to make it available as production data.
 - **reset-sql** > Resets all sql tables in the connected db.
+- **copy-sql** > Copys the content of a db to another db.
+- **webserver** > Starts the webserver showing the analysis results.
 
 ## DB Connection settings
 
@@ -26,13 +28,15 @@ To connect to the Mongo db see [connect]
 
 Create a `secrets.json` in the root of this repo with the following structure (values to be replaces by desired config):
 
+The sqlite db is alternative to the postgres section.
 ```json
 {
-  "postgres": {
-    "username": "postgres",
-    "password": "postgres",
+  "sqlite": "path-to-sqlite.db",
+  "postgres": {               
+    "username": "username",      
+    "password": "password",
     "host": "localhost",
-    "database": "postgres",
+    "database": "db-name",
     "port": 5432
   },
   "mongo": {
@@ -61,6 +65,8 @@ PYTHON_MONGO_PASSWORD=password
 PYTHON_MONGO_PORT=27017
 PYTHON_MONGO_DATABASE=transparenzregister
 
+PYTHON_SQLITE_PATH=PathToSQLite3.db # An overwrite path to an sqllite db
+
 PYTHON_DASH_LOGIN_USERNAME=some-login-to-webgui
 PYTHON_DASH_LOGIN_PW=some-pw-to-login-to-webgui