**Example**: resource "aws_instance" "app" { ami = var.ami_id; instance_type = var.instance_type; subnet_id = aws_subnet.main.id; vpc_security_group_ids = [aws_security_group.app.id]; key_name = aws_key_pair.app.key_name; user_data = file("bootstrap.sh"); root_block_device { volume_size = 50 }; tags = { Name = "app-server" } }. **AMI**: data "aws_ami" "ubuntu" { most_recent = true; owners = ["099720109477"]; filter { name = "name"; values = ["ubuntu-jammy-*"] } }....
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