docker stack deployment

README.md

@@ -111,13 +111,17 @@ Prerequisite: machine with free ports 80 and 8084.
 ### Database
 Either build the database from scratch (lenghty process) using above instructions or just migrate the database from the faculty server (recommended).  
 
-TODO: build my-mongo
-
+Build container my-mongo:
+```bash
+# run once and destroy containers
+$ make database-service
+```
 
 ### Backend
 Set database connection details in `/src/backend_flask/db_config.py`.  
-```
-mongodb://valuser:valuserpass@127.0.0.1:27017/valdb
+Change 'valuser' and 'valuserpass' to the database user.
+```bash
+mongodb://valuser:valuserpass@my_mongo/valdb
 ```
 In the above line, replace `valuser` with the username and `valuserpass` with the password that was used to create the database tables (the values were set in the root Makefile).  
 
@@ -140,14 +144,20 @@ $ make build-frontend-prod
 ```
 
 All set, now run the stack.  
+Stack configuration in `production.yaml`.  
+
 ```bash
 # From git root
 $ make deploy-prod-stack
 ```
 
-### Uploading a mongo dump
+
+
+## Uploading a mongo dump
 There's a 15GB mongo dump containing the fully processed kres and ssj data.  
 We can use that file to deploy our aplication.  
+With this database, we will need a minimum of 8GB ram to serve the app.  
+If the server is struggling, frontend will throw "Network errors".  
 
 Check `0.0.0.0:8081` and remove (or backup) the current example database `valdb`.