What have been done:

1. Fixed AWS server time out issues when trying to connect to GitHub to update codes.
2. Remove all compiling errors related to MongoDB by commenting out incomplete codes.
3. Install MongoDB locally.

Problems encountered:

1. On AWS server, it will time out when trying to connect to GitHub.

Solution:

1. Run below commands.

git config --list --system
git config --list --global
git config --system --unset credential.helper

Note:

1. The link below is the guide to install MongoDB.
   https://docs.mongodb.com/manual/tutorial/install-mongodb-on-windows