Medium Traffic Website Architecture Setup

I have website to go live in 15 days I am looking to setup the Architecture for my site . below are the things required so that site will not go down
a)Architecture Integration Services
AWS Architecture Design and Setup
MongoDB Connection to AWS (RDS)
SSL Certificate Implementation
Load Balancer Configuration
Git Connection to EC2 Servers
Domain to Server Connection


b) Security Services
S3 Auto Encryption by Policies Restriction for Images
CloudWatch Setup for Server Performance and Alert Systems
Auto Backup Configuration