LiJell's 성장기

IntroTo enhance security, I’ve relocated the bastion instance from the public subnet to the private subnet.Previously, we accessed the database using SSH connection, but moving forward, we will use SSM port forwarding instead.prerequisite1. SSM Plugin should be installed first2. AmazonSSMManagedInstanceCore should be on EC2 instance role3. requried permission on User as below{ "Version": "2012-..