readme mongo insruction

Author: maxchistt

README.md

@@ -38,9 +38,37 @@ to run production app version
 
 ## MongoDb
 
-[Instruction for Windows](./installMongo/Windows/Readme.txt)
+Local `mongoUri` will be `"mongodb://localhost:27017/mydb"`
 
-[Instruction for Ubuntu](./installMongo/Ubuntu/Readme.txt)
+### Mongo installation on Windows 10
+
+1. Download and install MongoDb server from [www.mongodb.com/try/download/community](https://www.mongodb.com/try/download/community) (set it on "D:\Program Files\" to not edit the .bat file)
+
+2. Edit [mongo_win_install.bat](./installMongo/Windows/mongo_win_install.bat) file and fix next variables (dont use spaces around "="):
+    - set `MongoDb_ExePath` - path to mongod.exe
+    - set `MongoDb_DataFolderPath` - path to db folder
+
+3. To start Mongo database
+    - run `mongo_win_install.bat` file 
+    - or run `npm run mongo-windows:start` command with npm
+
+### Mongo installation on Ubuntu 20.04
+
+1. To prepare and setup mongo
+    - run next in bash:
+      - `sudo apt update && sudo apt upgrade`
+      - `cd && cd react-notes/installMongo/Ubuntu && chmod +x mongo_ubuntu_setup.sh && chmod +x mongo_ubuntu_install.sh && cd`
+      - `cd && ./react-notes/installMongo/Ubuntu/mongo_ubuntu_setup.sh`
+
+    - or run next with npm: `npm run mongo-ubuntu:full-setup`
+
+2. To start Mongo database 
+    - run next in bash: `cd && ./react-notes/installMongo/Ubuntu/mongo_ubuntu_install.sh`
+    - or run next with npm: `npm run mongo-ubuntu:start`
+
+### Mongo on Heroku
+
+Use [MongoDB Atlas](https://www.mongodb.com/cloud/atlas). Look video lesson [here](https://youtu.be/mTS0DH3lMNs)
 
 ## Deployment on Ubuntu LVS