diff --git a/Home.md b/Home.md
index db435f6..839013c 100644
--- a/Home.md
+++ b/Home.md
@@ -4,4 +4,8 @@ This Wiki is a series of summary notes taken during watching youtube videos post
 
 * Topic 1: [Notes](working_with_dockerfiles) for [Video: Working with Dockerfiles (.NET, Golang, Python, NodeJS)](https://youtu.be/wyjNpxLRmLg)
 * Topic 2: [Notes](working_with_code) for [Video: Working with code (.NET, Golang, Python, NodeJS)](https://youtu.be/EdmKENqnQUw)
-* Topic 3: [Notes](multistage_layers) for [Video: Multistage & Layers](https://youtu.be/2lQ7WrwpZfI)
\ No newline at end of file
+* Topic 3: [Notes](multistage_layers) for [Video: Multistage & Layers](https://youtu.be/2lQ7WrwpZfI)
+
+Tips:
+* add `.gitignore` file in repository. **.gitignore Generator** extention from VSCode is a good tool.
+* VSCode as **Remote - Containers**, **Docker** from Microsoft to support docker based development
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diff --git a/working_with_code.md b/working_with_code.md
index 0273df8..96f519b 100644
--- a/working_with_code.md
+++ b/working_with_code.md
@@ -13,6 +13,8 @@ This tutorial talks about how to work inside container
 
 Benefit of dev with docker: decouple machine from dev environment, make host clean, and dev everywhere
 
+Docker compose file is basically script version of `docker run`
+
 ## Create C# website and run webapp
 
 ### Update docker-compose file in csharp service