Complete OCI Free Tier Infrastructure Guide - Part 01: Setup & Local Provider Mirror

This guide details automating an Oracle Cloud Infrastructure OCI Free Tier environment using Terraform. Part 01 covers local credentials, OCI API integration, and air-gapped provider mirrors. Part 02 establishes the shared architecture layer, provisioning the Virtual Cloud Network VCN, internet gateways, and S3-compatible remote state backends. Finally, Part 03 implements the compute layer, deploying both x86 VM.Standard.E2.1.Micro and ARM VM.Standard.A1.Flex instances, ensuring all resources connect to the shared-public-subnet while maintaining dedicated state paths.