Terraform on Azure

Configuring the azurerm provider, authentication methods (CLI, service principal, managed identity), provider versioning and features block, terraform init with Azure backend, deploying first resource group with az login credentials

Virtual networks and subnets, network security groups with rules, public IPs and NICs, VNet peering, route tables, using data sources to reference existing resources, output networking details

Linux VMs with azurerm_linux_virtual_machine, VM extensions for bootstrapping (custom_data, cloud-init), availability sets and zones, VM scale sets basics, App Service deployment with azurerm_linux_web_app, referencing networking resources

Storage accounts (azurerm_storage_account), blob containers, Azure SQL Database (azurerm_mssql_server, azurerm_mssql_database), Cosmos DB basics, Key Vault for secrets (azurerm_key_vault, azurerm_key_vault_secret), connecting compute to storage and databases

Remote state in Azure Storage backend (storage_account_name, container_name, key), state locking with Azure Blob lease, workspaces for environment isolation (dev/staging/prod), migrating from local to remote state, terraform workspace commands, state encryption at rest

Writing reusable Azure modules (networking module, compute module, database module), Azure Verified Modules from the registry, module composition patterns, passing outputs between modules, versioning modules with Git tags, module testing basics

terraform import for existing Azure resources, import blocks (Terraform 1.5+), detecting and remediating drift with terraform plan, lifecycle rules for Azure resources (prevent_destroy on production databases, ignore_changes on tags), moved blocks for refactoring, terraform taint and replace