Reliable Service

1. Speed

1.1. SQL Query Optimize

1.2. Caching

1.2.1. SQL Cache

1.2.2. Static file cache

2. Monitor

2.1. Infra Monitor

2.1.1. Resources

2.1.1.1. CPU

2.1.1.2. SSD

2.1.1.3. RAM

2.1.2. Notification

2.1.2.1. By Slack

2.1.2.2. By mail

2.1.3. When

2.1.3.1. Before running out of resources

2.1.3.2. After running out

2.2. Logging

2.2.1. System Access Log

2.2.2. System Error Log

2.2.3. User Action Log

2.3. Report

2.3.1. Report regularly

2.3.1.1. System Health

2.3.1.2. Security Report

3. Fault Tolerance

3.1. SPOF

3.1.1. DB: RDS Backup Regularly

3.1.2. Image / File: Upload to Box

3.1.3. EC2: Backup Regularly

3.1.3.1. Dockerize

3.1.3.2. ELB

3.1.3.3. ECS

3.2. Instant Recovery

3.3. Auto scaling

4. Security

4.1. Port Control

4.1.1. SSH IP Limited

4.2. Virus Scan Regularly

4.2.1. ClamAV

4.3. Network Config

4.3.1. Private and Public Subnet Config

4.4. Permission Control

4.4.1. Static file

4.4.2. Key pem

4.5. Prevent CSRF

4.6. Prevent BFA

4.6.1. Login

4.7. Prevent DDoS

4.7.1. CloudFlare

4.8. Penetration Testing

4.8.1. https://metasploit.com/

4.9. Password Strengthen

4.9.1. Length 64